Preliminärrapport för provningsjämförelse

Preliminärrapport för provningsjämförelse 6- Stockholm, 9 mars 6 Ag, Al, As, B, Cd, Co, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb, Sb, Se, Si, Sn, Sr, Tl, U, V, Zn och Cr6 Proverna i denna omgång var ett spikat recipient vatten (Del A), ett spikat kommunalt avloppsvatten (Del B) och en syntetisk lösning (del C). I preliminärrapporten är resultaten redovisade i figur- och tabellform här följer några förklaringar för tabellrubrikerna: Mean Stdev Range CV% n medelvärde, konsensus standardavvikelse max min variationskoefficient antal värden i de statistiska beräkningarna uteslutna resultat (outliers, mindre-än värden) Youdendiagram Analysresultaten representeras av värdepar Sample + Sample. Talparens placering visar ifall resultaten innehåller systematiska eller slumpmässiga avvikelser. Ett cirkelformat spridningsmönster indikerar en slumpmässig fördelning utan påtagliga systematiska fel. Är spridningsmönstret däremot samlat utefter 5 linjen är materialet behäftat med systematiska avvikelser. Histogram (eller frekvensdiagram) Hela värdeintervallet är uppdelade i ett antal del-intervall. Stapelhöjden motsvarar antalet mätvärden i del-intervallet. En normal fördelning av det statistiska materialet är jämn och symmetrisk med högsta antalet mätvärden i närheten av medelvärdet. En asymmetrisk fördelning eller flera tydliga maxima tyder på komplikationer som kan bero metoder, homogenitet eller dylikt. Kriterier för beräkning av z-scores i denna rapport För parametrar med minst sex godkända resultat beräknas z-score om proverna bedöms vara homogena och stabila m.a.p. den aktuella parametern. För parametrar med fyra eller fem godkända resultat beräknas z-score om CV% (standardavvikelse /medelvärde) är mindre än % och det finns högst ett outlier. Mindre-än värden och uppenbara rapporteringsmissar räknas inte som outliers. För parametrar som inte uppfyller villkoren presenteras grundläggande statistik, deltagarnas resultat, samt Youdendiagram utan konfidensintervall. Vänligen, meddela oss om du upptäcker misstag vi kan ha gjort i preliminärrapporten så vi kan rätta till dem i slutrapporten. Slutrapporten beräknas vara klar senast vecka 5. ACES Provningsjämförelser Stockholms universitet 6 9 Stockholm Sweden Hemsida: http://enviropro.itm.su.se Marsha Hanson: marsha.hanson@aces.su.se Marcus Sundbom: marcus.sundbom@aces.su.se

Preliminary Report for Proficiency Test 6- The samples in this test round were a spiked recipient water (Part A), a spiked municipal wastewater (Part B), and a synthetic solution (Part C). Results in the preliminary report are shown only in tables and charts. Explanations for the abbreviations used in the table heads and translations for some key words: Mean Stdev Range CV% n average, consensus standard deviation max min coefficient of variation number of values used in the statistical calculations excluded values (outliers, less-than values) Stockholm, 9 March 6 Ag, Al, As, B, Cd, Co, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb, Sb, Se, Si, Sn, Sr, Tl, U, V, Zn and Cr6 Youden plots The results are represented as value pairs where Sample is plotted against Sample. The position of the value pairs reveals both systematic and random errors. Data scattered circularly around the intersection of the means are randomly distributed with no specific systematic errors. Data distributed along the 5 axis indicate the presence of systematic errors. Histograms (or frequency diagrams) The result range is divided into equal intervals along the x-axis with each bar representing the number of results in that interval. A normal statistical material is characterised by an even, symmetrical distribution with the majority of data centred around the mean. An asymmetric distribution or more than one obvious maximum indicates complications, for example with the methods or homogeneity. Criteria for the calculation of z-scores in this report For parameters with at least six acceptable results, z-scores are calculated if the samples are homogenous and stabile with respect to that parameter. For parameters with four or five acceptable results, and no more than one outlier, z-scores are calculated if the CV% (standard deviation/mean) is less than %. Less-than values and obvious clerical errors are not counted as outliers. No z-scores are calculated for parameters that do not fulfil the above conditions. Only the basic statistics, results of the participants and the Youden plot (without the confidence interval) are presented. Kindly inform us of errors we may have made in the preliminary report so we can correct them in the final report. A final report can be expected by April 5. ACES Proficiency Tests Stockholm University SE-6 9 Stockholm Sweden Website: http://enviropro.itm.su.se Marsha Hanson: marsha.hanson@aces.su.se Marcus Sundbom: marcus.sundbom@aces.su.se

Preliminär Rapport Provningsjämförelse / Proficiency Test 6- Metaller och spårämnen / Metals and trace elements Ag, Al, As, B, Cd, Co, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb, Sb, Se, Si, Sn, Sr, Tl, U, V, Zn & Cr6 Marsha Hanson Marcus Sundbom

Innehåll / Table of Contents Ag Silver... Al Aluminium... 7 As Arsenik / Arsenic... B Bor / Boron... 9 Cd Kadmium / Cadmium... Co Kobolt / Cobolt... 8 Cr Krom / Chromium... Cu Koppar / Coppar... 8 Fe Järn / Iron... Hg Kvicksilver / Mercury... 9 Mn Mangan / Managanese... 5 Mo Molybden / Molybdenum... 6 Ni Nickel... 67 Pb Bly / Lead... 7 Sb Antimon / Antimony... 79 Se Selen / Selenium... 8 Si Kisel / Silicon... 89 Sn Tenn / Tin... 9 Sr Strontium... 99 Tl Tallium / Thallium... U Uran / Uranium... 7 V Vanadin / Vanadium... Zn Zink / Zinc... 7 Cr6 Krom, sexvärt / Chromium, hexavalent... Provmatriser del A: Recipient del B: Kommunalt avlopp del C: Syntetisk lösning Sample matrices part A: Recipient part B: Municipal wastewater part C: Synthetic solution

Ag Silver Analyskoder & metoder AG-AI Silver. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 AG-AK Silver. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79; EPA.8 AG-NG Silver. Ofiltrerat. Atomabsorption. Direkt injicering. Flamlös bestämning. SS-EN ISO 5586:; Standard Methods -985; (SS 88) AG-NI Silver. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren AG-NK Silver. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 Analysis codes & methods AG-AI Silver. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 AG-AK Silver. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79; EPA.8 AG-NG Silver. Unfiltered. Atomic absorption. Direct injection. Flameless determination. SS-EN ISO 5586:; Standard Methods -985; (SS 88) AG-NI Silver. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren AG-NK Silver. Unfiltered. ICP-MS. Direct injection. EPA.8

Sample A,.75 5.55 5.85 5.75 6.5 6.75 6.75 7.5 7.65 7.695.85.55.895.5.975 5.55 6.55 6.595 7.5 7.675 Ag Del A / Part A Ag Sample A Method Mean Median Stdev Range CV% n Total 5.9 5.8.789.88.57 8 AK 6.6 NG.98 NI.5 NK 5.769 5.59.6.88 5.9 5 Ag Sample A Ag Sample A Method Mean Median Stdev Range CV% n Total 6.6 6..7.95.7 6 AK 6.75 NG.7 NI NK 6.69 6.5.6.9.9 Ag Sample A Ag Part A Youdendiagram 9 8 7 6 5 95% confidence Medel/Mean Medel/Mean 5º AK NG NK 5 6 7 8 9 Sample A,

7 (NK) 7 (NI) 8 (NG) (NK) 7 (NK) 89 (AK) 7 (NK) (NK) z-score for Ag Ag Del A / Part A Lab Method Sample Z-score Sample Z-score NK 5.6 -.6.787 -. NK 7.67. 7.69. 8 NG.98 -.9.7 -.6 89 AK 6.6.6 6.75. 7 NK.8 -.8.5 -.77 X 7 NK 5.59.5 5.7 -.5 7 NI.5 -..58 -.68 X 7 NK 7.7. 7.5. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 5

Sample B,.6 6. 7.5 8.86.7.68.9.5 5.9 7..5.65 6.65 7.685 9.5.75.5.765 5.85 6.85 Ag Del B / Part B Ag Sample B Method Mean Median Stdev Range CV% n Total 8.7 7. 5..7 8.5 5 AI. AK.75.75.5 6. 8.76 NG 5.8 NK 7. Ag Sample B Ag Sample B Ag Sample B Method Mean Median Stdev Range CV% n Total. 9..7.7.55 5 AI 9. AK.5.5.7 5.9 7.6 NG.7 NK 7.9 Ag Part B Youdendiagram 8 6 8 6 Medel/Mean Medel/Mean 5º AI AK NG NK 6 8 6 8 Sample B, Lab Method Sample Z-score Sample Z-score NK 7. 7.9 8 NG 5.8.7 89 AK.6.5 7 AI. 9. 7 AK 6.9 7. Ingen beräkning av z-scores: n=5, CV% > %. No calculation of z-scores: n=5, CV% > %. 6

Al Aluminium Analyskoder & metoder AL-AI Aluminium. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 AL-AK Aluminium. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79; EPA.8 AL-DI Aluminium. Löst (.5 µm filter). ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885:9 AL-NG Aluminium. Ofiltrerat. Atomabsorption. Flamlös bestämning. Direkt injicering. SS-EN ISO 5586:; (SS 88; SS 88) AL-NI Aluminium. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren AL-NK Aluminium. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 AL-NSL Aluminium. Ofiltrerat. Lakning med HSO. Fotometrisk bestämning med pyrokatekolviolett. (Ingen persulfatuppslutning.) Analysis codes & methods AL-AI Aluminium. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 AL-AK Aluminium. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79; EPA.8 AL-DI Aluminium. Dissolved (.5 µm filter). ICP-AES. Direct injection. Deutsche Einheitsverfahren; SS-EN ISO 885:9 AL-NG Aluminium. Unfiltered. Atomic absorption. Flameless determination. Direct injection. SS-EN ISO 5586:; (SS 88; SS 88) AL-NI Aluminium. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren AL-NK Aluminium. Unfiltered. ICP-MS. Direct injection. EPA.8 AL-NSL Aluminium. Unfiltered. Soaking in HSO. Photometric determination with pyrocatechol violet. (No persulphate digestion). 7

Sample A, 8.95.795.685.575 6.65 8.55.5.5.5 5.95.9. 5.7 8..5.9 5. 7.7..5 Al Del A / Part A fotometriska metoder / photometric methods Al_foto Sample A Method Mean Median Stdev Range CV% n Total 8.7 6. 7.9. 7.6 6 NSL 8.7 6. 7.9. 7.6 6 Al_foto Sample A Al_foto Sample A Method Mean Median Stdev Range CV% n Total 8.8 9.5 6.59 7.. 6 NSL 8.8 9.5 6.59 7.. 6 Al_foto Sample A Al_foto Part A Youdendiagram 6 5 95% confidence Medel/Mean Medel/Mean 5º NSL 5 6 Sample A, 8

66 (NSL) (NSL) 67 (NSL) 9 (NSL) (NSL) (NSL) z-score for Al_foto Al: fotometriska metoder / photometric methods Del A / Part A Lab Method Sample Z-score Sample Z-score NSL.... NSL -.59 -.8 66 NSL -.97 9 -. NSL.8 6.6 67 NSL 7 -. 7 -. 9 NSL 5 -.7.85 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 9

Sample A, 7.5.5 5.5 9.5 5.5 57.5 6.5 65.5 69.5 7.5 8.55.75.95 8.5 5.5 5.55 57.75 6.95 6.5 67.5 Al Del A / Part A icke-fotometriska metoder / non-photometric methods Al_ejfoto Sample A Method Mean Median Stdev Range CV% n Total 57. 59.6 8.6 9..66 AK 57. DI 6.66 NG NI 6. NK 56.5 58.9 9.6 9. 7. 9 Al_ejfoto Sample A Al_ejfoto Sample A Method Mean Median Stdev Range CV% n Total 56. 55.7.77 6. 9.8 AK 5. DI 6. NG NI 5. NK 55.8 57.. 6.. 9 Al_ejfoto Sample A Al_ejfoto Part A Youdendiagram 9 8 7 6 5 95% confidence Medel/Mean Medel/Mean 5º AK DI NI NK 5 6 7 8 9 Sample A,

(NI) 7 (NK) (NK) 7 (NK) 6 (NK) 89 (AK) 68 (NK) 89 (NI) 7 (NK) 75 (DI) (NK) 6 (NK) 7 (NK) 8 (NG) (NI) z-score for Al_ejfoto Al: icke-fotometriska metoder / non-photometric methods Del A / Part A Lab Method Sample Z-score Sample Z-score NK. -.5.7 -.5 NK 6.7.56 6.7.8 8 NG 9.7. X 9.9. X 7 NK 58.9.. -. 6 NK 5.6 -.5 5. -.8 6 NK 6.6.9 7.7.6 NI. 5.6 X 8..8 X 89 AK 57.. 5. -. 7 NK 8.7 -.9 7.7 -.7 NI. -5. X.7 -.85 X 68 NK 55.8 -. 57.9.6 7 NK 6..6 57.. 75 DI 6.656. 6..65 89 NI 6..6 5. -.8 7 NK 67.7.8 69.9.8 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method)

Sample B, 9.8.5 9. 5.9 68.6 8. 98.7 7.. 9. 6.7 5. 6. 77.8 9.5 5. 8.9.6 Al Del B / Part B Al Sample B Method Mean Median Stdev Range CV% n Total 7.8 77...5 8.7 7 AI 55. 7.. 8.. 5 AK 97.5 97.5...7 DI 7.6 NG 98. NI 5. 5.. 56.5 9.6 NK 5.6 NSL 77. 77. 8.8 5..58 5 Al Sample B 6 5 Al Sample B Method Mean Median Stdev Range CV% n Total 69.9 7..6.5.5 7 AI 6. 67. 5.6 59. 5.89 AK 59. 76. 8.8 7.. DI.5 NG 7. NI 97.7 97.7 7.8 5. 9. NK 6. NSL 85. 7. 8. 97..58 5 Al Sample B 5 Al Part B Youdendiagram 5 5 95% confidence Medel/Mean Medel/Mean 5º AI AK DI NG NI NK NSL 5 5 5 5 Sample B,

(NI) 96 (AI) 68 (AK) 75 (DI) 89 (AI) (NSL) (NK) 7 (AI) 66 (NSL) 7 (AI) 89 (NI) 65 (NSL) 8 (NG) (AK) 76 (AI) 7 (AK) (NSL) 9 (NSL) (NI) z-score for Al Al Del B / Part B Lab Method Sample Z-score Sample Z-score NK 5.6 -.56 6. -. AK 99.8 76.8 8 NG 98.78 7. NI.5.87..57 66 NSL 7 -.6 6 -.7 7 AI 7 -.6 6 -.9 89 AI 8 -.8 6 -.7 96 AI -.9 7 (<) -.77 X 7 AI 7. 7. NI.7-5. X -.88 X NSL 5 (<) -.58 6 (<) -.69 NSL 6..9 68 AK 8. -.8 X 5 -.59 75 DI 7.65 -.7.58 -.7 9 NSL 79.9. 65 NSL 77 (<). 7 (<). 89 NI 77. 7. 7 AK 96.7 87.9 76 AI 9.59 85. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method)

As Arsenik / Arsenic Analyskoder & metoder AS-AG Arsenik. Syralösligt. Atomabsorption. Flamlös. Direkt injicering efter uppslutning med HNO (7M). Analysis codes & methods AS-AG Arsenic. Acid soluable. Atomic absorption. Flameless. Direct injection after digestion in HNO (7M). AS-AI Arsenik. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 AS-AK Arsenik. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79; EPA.8 AS-NK Arsenik. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 AS-AI Arsenic. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 AS-AK Arsenic. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79; EPA.8 AS-NK Arsenic. Unfiltered. ICP-MS. Direct injection. EPA.8

Sample A,.785.8955.65.75.85.95.55.565.675.785.6.778.9.9.6..558.7.87 5.6 As Del A / Part A As Sample A Method Mean Median Stdev Range CV% n Total.7.88.8. 9. 9 AG 5. AK.6 NK.8.88.6.. 7 5 As Sample A As Sample A Method Mean Median Stdev Range CV% n Total.555.68.9. 7. 9 AG.69 AK.79 NK.6.68.86.55. 7 As Sample A 6. As Part A Youdendiagram 5.6 5..8.. 95% confidence Medel/Mean Medel/Mean 5º AG AK NK.6...6...8 5. 5.6 6. Sample A, 5

89 (AK) 68 (NK) 7 (NK) 7 (NK) (NK) 7 (NK) 7 (NK) (NK) 9 (AG) z-score for As As Del A / Part A Lab Method Sample Z-score Sample Z-score NK.9.56.65. NK.9.5.76.6 7 NK.9.6.77.55 9 AG 5..76.69. 89 AK.6 -.5.79 -. 7 NK.7.8.65.9 68 NK.5 -.8. -.96 7 NK.88..79.7 7 NK.7.8.68.8 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 6

Sample B, 8.5.9.66..8 6.7 7.9 9.5.8.65 7.5 8.55.5.55.5.55 6.5 7.55 9.5.55 As Del B / Part B As Sample B Method Mean Median Stdev Range CV% n Total 6.5 8.9 5.5.5.8 8 AG 8.7 AI 8.5 9..5.8.7 AK. 8.7 7.8.5.95 NK 9.6 As Sample B As Sample B Method Mean Median Stdev Range CV% n Total 8.6.5 5...95 8 AG.9 AI..6.7.9. AK.87.6 6.99.8. NK.7 As Sample B 6 As Part B Youdendiagram 55 5 5 5 5 95% confidence Medel/Mean Medel/Mean 5º AG AI AK NK 5 5 5 5 5 5 55 6 Sample B, 7

89 (AK) 68 (AK) 78 (AI) 9 (AG) 7 (AI) 9 (AI) (NK) 7 (AK) z-score for As As Del B / Part B Lab Method Sample Z-score Sample Z-score NK 9.6.59.7.8 9 AG 8.7.7.9.6 9 AI 9..5.6. 78 AI 9..55 8.6. 89 AK 7. -.7 8.6 -. 7 AI 7....68 68 AK 8.7 -..6 -. 7 AK.6.8..76 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 8

B Bor / Boron Analyskoder & metoder B-AI Bor. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Analysis codes & methods B-AI Boron. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). B-AK Bor. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79 B-NI Bor. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren B-NK Bor. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 B-AK Boron. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79 B-NI Boron. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren B-NK Boron. Unfiltered. ICP-MS. Direct injection. EPA.8 9

Sample A,.97.59..8 5.5 6.7 6.69 7. 7.9 8.55.985 5.5 5.665 6.5 6.5 6.685 7.5 7.65 7.75 8.5 B Del A / Part A B Sample A Method Mean Median Stdev Range CV% n Total 6.6 6... 6.6 7 AI 5. NI 8. NK 6.65 6..79.8.7 5 B Sample A B Sample A Method Mean Median Stdev Range CV% n Total 6.9 7.. 5.6.87 7 AI. NI 8.6 NK 7.9 7...5 6. 5 B Sample A B Part A Youdendiagram 8 6 95% confidence Medel/Mean Medel/Mean 5º AI NI NK 6 8 Sample A,

89 (AI) 68 (NK) 7 (NK) 7 (NK) (NK) (NK) 7 (NI) 7 (NK) z-score for B B Del A / Part A Lab Method Sample Z-score Sample Z-score NK 7.7.59 8.7.76 NK 7.7.98 8.5.78 89 AI 5 -.7 -.96 7 NK.6.58 X 9. 6. X 68 NK 6. -.8 6. -.7 7 NK 6. -.9 7.. 7 NI 8.. 8.6.8 7 NK 5.9 -.66 6.6 -.7 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method)

Sample B, 6.8 8.8.8.8.8 6.8 8.8.8.8.8 6.55 8.5.5.5.5 6.55 7.965 9.875.785.695 B Del B / Part B B Sample B Method Mean Median Stdev Range CV% n Total 6.8 7. 6.9 7.9 6.6 5 AI.5.5.6 5..75 AK.85.85.5.5.99 NK.79 B Sample B B Sample B Method Mean Median Stdev Range CV% n Total 6.6 5. 7.7 8.8 8.7 5 AI.... 5.89 AK.9.9. 6. 5. NK 5.8 B Sample B B Part B Youdendiagram 5 Medel/Mean 5 Medel/Mean 5º AI AK NK 5 5 5 5 Sample B, Lab Method Sample Z-score Sample Z-score NK.79 5.8 89 AI 7 5 7 AI.9. 68 AK 6.6 6.9 7 AK..9 Ingen beräkning av z-scores: n=5, CV% > %. No calculation of z-scores: n=5, CV% > %.

Cd Kadmium / Cadmium Analyskoder & metoder CD-AG Kadmium. Syralösligt. Atomabsorption. Flamlös. Direkt injicering efter uppslutning med HNO (7M). SS-EN ISO 5586:; (SS 88; SS 88); SS-EN ISO 596 CD-AI Kadmium. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 CD-AK Kadmium. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79; EPA.8 CD-DI Kadmium. Löst (.5 µm filter). ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885:9 CD-NG Kadmium. Ofiltrerat. Atomabsorption. Flamlös bestämning. Direkt injicering. SS-EN ISO 5586:; SS-EN ISO 596; (SS 88; SS 88) CD-NI Kadmium. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren CD-NK Kadmium. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 Analysis codes & methods CD-AG Cadmium. Acid soluable. Atomic absorption. Flameless. Direct injection after digestion in HNO (7M). SS-EN ISO 5586:; (SS 88; SS 88); SS-EN ISO 596 CD-AI Cadmium. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 CD-AK Cadmium. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79; EPA.8 CD-DI Cadmium. Dissolved (.5 µm filter). ICP-AES. Direct injection. Deutsche Einheitsverfahren; SS-EN ISO 885:9 CD-NG Cadmium. Unfiltered. Atomic absorption. Flameless determination. Direct injection. SS-EN ISO 5586:; SS-EN ISO 596; (SS 88; SS 88) CD-NI Cadmium. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren CD-NK Cadmium. Unfiltered. ICP-MS. Direct injection. EPA.8

Sample A,.857.98.979...6..8.5.6.97..59.5.7.7.8.9.95.5 Cd Del A / Part A Cd Sample A Method Mean Median Stdev Range CV% n Total.6.55.5.5.69 AG.97.97.7.7 6.7 AK.5 NG....6 8. NI.95 NK.8.5.7. 5.68 6 Cd Sample A Cd Sample A Method Mean Median Stdev Range CV% n Total.5.9..55. AG.88.88.7.5.6 AK. NG.5.5.85. 6.79 NI.86 NK..9.6.6.9 6 Cd Sample A 5 Cd Part A Youdendiagram.7.6.5......9 95% confidence Medel/Mean Medel/Mean 5º AG AK NG NI NK.8.8.9......5.6.7 Sample A,

7 (NI) 9 (AG) 7 (NK) 7 (NK) 7 (NK) 8 (NG) 89 (AK) 7 (NK) (NK) (NG) (NK) (AG) z-score for Cd Cd Del A / Part A Lab Method Sample Z-score Sample Z-score NK.5.9.78.7 NK..9..86 8 NG.6 -..9 -.9 7 NK.6 -.5.98 -. NG..7..7 9 AG. -.89.65 -.7 89 AK.5 -.9..9 7 NK. -.9.7 -. 7 NK.6 -...9 7 NI.95 -..86 -.65 AG.5.9..5 7 NK. -.7.9 -.9 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 5

Sample B,.75.95.55.85.75.55.895.55.65.975.97.5..68.5.8.9.96 5.5 6. Cd Del B / Part B Cd Sample B Method Mean Median Stdev Range CV% n Total..5.8 5. 5.67 AG.9 AI.9..8.9 7.56 5 AK.7..5..6 DI 5. NG.9.9.7. 6.8 NI 5.58 NK 5.6 Cd Sample B 5 Cd Sample B Method Mean Median Stdev Range CV% n Total.76.65..5.78 AG.75 AI.6..5.9 5.8 5 AK...6..58 DI 5. NG.5.5.6.5.9 NI.68 NK.89 Cd Sample B 5 Cd Part B Youdendiagram 9 8 7 6 5 95% confidence Medel/Mean Medel/Mean 5º AG AI AK DI NG NI NK 9 9 5 6 7 8 9 Sample B, 6

(NI) 96 (AI) 9 (AG) 78 (AI) (AK) (NG) 89 (AK) 9 (AI) 7 (AK) 7 (AI) (NK) 7 (DI) (NI) 7 (AI) 8 (NG) z-score for Cd Cd Del B / Part B Lab Method Sample Z-score Sample Z-score NK 5.6.55.89. AK..7.7 -.9 8 NG 6...9. NG.7 -.. -. NI 5.58.9.68.8 9 AG.89 -.5.75 -.77 9 AI..7. -. 7 AI 5.9.6.8.9 78 AI.7 -..9 -.76 89 AK. -.7. -. 96 AI -. -.55 7 AI.5..9. NI.85-9.76 X 9.56 -.5 X 7 DI 5.5 5.9 7 AK.5..9. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 7

Co Kobolt / Cobalt Analyskoder & metoder CO-AI Kobolt. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 CO-AK Kobolt. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79; EPA.8 CO-NG Kobolt. Ofiltrerat. Atomabsorption. Flamlös bestämning. Direkt injicering. SS-EN ISO 5586:; (SS 88; SS 88) CO-NI Kobolt. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren CO-NK Kobolt. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 Analysis codes & methods CO-AI Cobalt. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 CO-AK Cobalt. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79; EPA.8 CO-NG Cobalt. Unfiltered. Atomic absorption. Flameless determination. Direct injection. SS-EN ISO 5586:; (SS 88; SS 88) CO-NI Cobalt. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren CO-NK Cobalt. Unfiltered. ICP-MS. Direct injection. EPA.8 8

Sample A,.665.775.7785.895.95.995.65.5.5.755.7665.85.95.9675.5.5.685.55.5.695 Co Del A / Part A Co Sample A Method Mean Median Stdev Range CV% n Total.98.9.96.6.9 AK.77 NG. NI.8.8.7.8.97 NK.897.89...57 6 Co Sample A Co Sample A Method Mean Median Stdev Range CV% n Total.89.8.5.6 5.5 AK.5 NG.7 NI.5.5.6.5 8.96 NK.88.8..8.7 6 Co Sample A 5. Co Part A Youdendiagram.8.6....8.6. 95% confidence Medel/Mean Medel/Mean 5º AK NG NI NK......6.8....6.8 5. Sample A, 9

(NK) 7 (NK) 7 (NK) 7 (NK) (NG) 7 (NK) (NK) 7 (NI) 89 (AK) (NI) z-score for Co Co Del A / Part A Lab Method Sample Z-score Sample Z-score NK.7.5.89. NK.77 -.8.6 -.6 7 NK.9 -..87 -.9 NG..6.7 -.89 NI.7.98.8.8 89 AK.77 -.8.5.67 7 NK.88 -.5.8 -.7 7 NK.8 -.7.77 -.56 7 NI.9.6.77 -.56 7 NK.9 -..9. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method)

Sample B,.9..65.88 5. 5. 5.57 5.8 6. 6.6.59.8 5. 5. 5. 5.6 5.85 6.6 6.7 6.8 Co Del B / Part B Co Sample B Method Mean Median Stdev Range CV% n Total 5.5 5.7.6.85.96 7 AI 5.5 5.5.9.7. AK 5. 5..85. 5.58 NG 5.9 NI 6.5 NK 5. Co Sample B Co Sample B Method Mean Median Stdev Range CV% n Total 5.6 5.8.68.9. 7 AI 5.95 5.95.7.. AK 5. 5...6 7.5 NG 5.5 NI 6.9 NK 5.66 Co Sample B Co Part B Youdendiagram 9 8 7 6 5 95% confidence Medel/Mean Medel/Mean 5º AI AK NG NI NK 5 6 7 8 9 Sample B,

(NI) 89 (AK) 7 (AI) (NK) (NG) 7 (AK) 7 (AI) (NI) z-score for Co Co Del B / Part B Lab Method Sample Z-score Sample Z-score NK 5. -. 5.66.6 NG 5.9.59 5.5 -.8 NI 6.5.8 6.9.99 7 AI 5. -.88 5.9. 89 AK.6 -.5. -. 7 AI 5.7.6 6..56 NI 5.88-5.7 X.9-6.78 X 7 AK 5.8. 5.8.6 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method)

Cr Krom / Chromium Analyskoder & metoder CR-AI Krom. Syralösligt. Analys med ICP-AES efter uppslutning i Kungsvatten. SS-EN ISO 5587- CR-AG Krom (tot). Syralösligt. Atomabsorption. Flamlös. Direkt injicering efter uppslutning med HNO (7M). SS-EN ISO 5586:; (SS 88; SS 88); SS-EN CR-AI Krom. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 CR-AK Krom. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79; EPA.8 CR-DI Krom. Löst (.5 µm filter). ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885:9 CR-NG Krom (tot). Ofiltrerat. Atomabsorption. Flamlös bestämning. Direkt injicering. SS-EN ISO 5586:; SS-EN ; (SS 88; SS 88) CR-NI Krom. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren CR-NK Krom. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 Analysis codes & methods CR-AI Chromium. Acid soluable. Analysis by ICP-AES after digestion in Aqua Regia. SS-EN ISO 5587- CR-AG Chromium (tot). Acid soluable. Atomic absorption. Flameless. Direct injection after digestion in HNO (7M). SS-EN ISO 5586:; (SS 88; SS 88); SS-EN CR-AI Chromium. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 CR-AK Chromium. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79; EPA.8 CR-DI Chromium. Dissolved (.5 µm filter). ICP-AES. Direct injection. Deutsche Einheitsverfahren; SS-EN ISO 885:9 CR-NG Chromium (tot). Unfiltered. Atomic absorption. Flameless determination. Direct injection. SS-EN ISO 5586:; SS-EN ; (SS 88; SS 88) CR-NI Chromium. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren CR-NK Chromium. Unfiltered. ICP-MS. Direct injection. EPA.8

Sample A,..8.6.9.8 5. 5.6 6.6 6.7 7.8.5.9..7 5. 5.9 5.88 6.7 6.66 7.5 Cr Del A / Part A Cr Sample A Method Mean Median Stdev Range CV% n Total 5.8 5.8.99.5 6.5 AG 7. AK 6. NG 5.95 5.95.6.5 6.65 NI 5. 5..59.7.8 NK 5.89 5.59.77..85 7 Cr Sample A Cr Sample A 5 Cr Sample A Method Mean Median Stdev Range CV% n Total 5.9 5.. 5. 8.65 AG 6.6 AK 6. NG 5.5 5.5.78. 5. NI.56.8.8..9 NK 5.8 5..8.8 7.7 7 Cr Part A Youdendiagram 9 8 7 6 5 95% confidence Medel/Mean Medel/Mean 5º AG AK NG NI NK 5 6 7 8 9 Sample A,

(NI) 68 (NK) 7 (NI) 7 (NK) 8 (NG) 7 (NK) 7 (NK) (NK) 89 (AK) (NG) (NK) (NI) (AG) 7 (NK) z-score for Cr Cr Del A / Part A Lab Method Sample Z-score Sample Z-score NK 6.75.9 5.9.9 NK 6..6 5.6. 8 NG 5. -.6.7 -. 7 NK 5.59 -.5 5. -. NG 6.7.87 5.8.9 NI 6.7.9 6.6.99 89 AK 6..7 6..77 7 NK 5. -.75.8 -.7 NI.56 -..7 -.8 68 NK 5.5 -..5 -.5 7 NK 5. -.6.8 -.7 7 NI 5. -.75.8 -.7 AG 7..7 6.6.99 7 NK 7..8 7..5 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 5

Sample B,.5.5.65 6.95 8.5.55.985.95 5.85 7.775 8.5 9.65.85.55.65.75.865 5.985 7.5 8.5 Cr Del B / Part B Cr Sample B Method Mean Median Stdev Range CV% n Total.8.6.85. 6.56 AI. AI...9 5.8 5.9 5 AK.6 5.5.7 8. 9. DI. NG 9.5 9.5.8..78 NI.9 NK 5.79 Cr Sample B Cr Sample B Method Mean Median Stdev Range CV% n Total.77.8. 7. 9.85 5 AI 9.7 AI..9.5..66 5 AK.5.5 7. 7. 8.7 DI. NG 8. 8....7 NI.8 NK 6. Cr Sample B 5 Cr Part B Youdendiagram 5 5 5 8 6 8 6 6 8 6 8 5 5 5 Sample B, 95% confidence Medel/Mean Medel/Mean 5º AI AI AK DI NG NI NK 6

(NI) 68 (AK) (NG) 8 (NG) 89 (AK) 95 (AI) 96 (AI) 7 (AI) (NI) 7 (DI) 78 (AI) 7 (AI) (AK) (NK) 76 (AI) 7 (AK) z-score for Cr Cr Del B / Part B Lab Method Sample Z-score Sample Z-score NK 5.79.8 6..8 AK 5.5.7.. 8 NG. -. 8. -.8 NG 8. -.85 8.5 -.79 NI.9.5.8. 7 AI..5..7 78 AI..6.9.8 89 AK. -.9. -. 95 AI -.7 9.7 -.5 96 AI -.5.6 7 AI. -.8.8.5 NI.5 -.95 X.7-6.97 X 7 DI -.7.5 68 AK. -7.77 X.5 -.7 7 AK 8..69 7.9.9 76 AI 7.8.5 5..8 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 7

Cu Koppar / Copper Analyskoder & metoder CU-AG Koppar. Syralösligt. Atomabsorption. Flamlös. Direkt injicering efter uppslutning med HNO (7M). Analysis codes & methods CU-AG Copper. Acid soluable. Atomic absorption. Flameless. Direct injection after digestion in HNO (7M). CU-AI Koppar. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 CU-AK Koppar. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79; EPA.8 CU-DI Koppar. Löst (.5 µm filter). ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885:9 CU-NF Koppar. Ofiltrerat. Atomabsorption. Flamma. Direkt injicering. SS 85; SS 85 CU-NG Koppar. Ofiltrerat. Atomabsorption. Flamlös bestämning. Direkt injicering. SS-EN ISO 5586:; (SS 88; SS 88) CU-NI Koppar. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren CU-NK Koppar. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 CU-AI Copper. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 CU-AK Copper. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79; EPA.8 CU-DI Copper. Dissolved (.5 µm filter). ICP-AES. Direct injection. CU-NF Copper. Unfiltered. Atomic absorption. Flame. Direct injection. SS 85; SS 85 CU-NG Copper. Unfiltered. Atomic absorption. Flameless determination. Direct injection. SS-EN ISO 5586:; (SS 88; SS 88) CU-NI Copper. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren CU-NK Copper. Unfiltered. ICP-MS. Direct injection. EPA.8 8

Sample A, 9.5 9.965.55.5.585.5.665.5.75.85.57.7.77.7.97.57.7.77 5.7 5.97 Cu Del A / Part A Cu Sample A Method Mean Median Stdev Range CV% n Total..6.5 5. 8.57 9 AG.79 AI.9.9...96 AK. NF.95.95.8. 9.9 NG.85.85.7..55 NI.5.5.69.8.5 NK.7.6.76. 5.6 9 Cu Sample A 5 Cu Sample A Method Mean Median Stdev Range CV% n Total.9.9..85. 8 AG.68 AI.6.6.8.6 5.85 AK. NF. NG.85.85.6.9 5.7 NI.8.8.86.5.96 NK.7.7.9.9 7. 9 Cu Sample A Cu Part A Youdendiagram 6 5 95% confidence Medel/Mean Medel/Mean 5º AG AI AK NF NG NI NK 9 5 6 7 Sample A, 9

(NI) 9 (AI) 68 (NK) (NG) 7 (NK) 8 (NG) 7 (NK) 89 (AK) (NK) 6 (NK) 9 (AG) (AI) 7 (NK) 6 (NK) 7 (NK) (NK) 7 (NI) 8 (NF) 66 (NF) z-score for Cu Cu Del A / Part A Lab Method Sample Z-score Sample Z-score NK..89.7.8 NK. -.9. -.7 8 NG.9 -... 8 NF.9...6 7 NK.9.5.96.55 6 NK.6 (<).7.7 (<). 6 NK.9...66 NG.8 -.5. -.7 9 AI.9 -.. -.6 9 AG.79..68. 66 NF 6.6 5.9 X 89 AK. -.9. -.5 7 NK.6 -.7.7 -.8 NI.6 -. 9.5 -. 68 NK. -..6 -.7 7 NK. -.8. -.7 7 NI..86.5.98 AI.9..9.5 7 NK..69.5.98 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method)

Sample B, 9.8.7 7.6.5 5. 9.. 7. 5 5.9 97.7 7. 6.7 6. 5.7 5. 5.7 6. 7.7 8. Cu Del B / Part B Cu Sample B Method Mean Median Stdev Range CV% n Total.. 6.9 85.8. AG. AI.9.6 8.6. 6. 6 AK..5 9.8. 7.5 DI 55. NF 56. 5. 5. 9. 6.6 NG 9.5 9.5. 7. 8.6 NI 8.8. 9.6 59..99 NK. Cu Sample B 7 6 5 Cu Sample B Method Mean Median Stdev Range CV% n Total 7. 6. 9.9 5. 7. AG. AI 8. 8.5 6.6 6..76 6 AK..5 8.7. 6.65 DI 55. NF 6. 9. 5. 8..8 NG 6.5 6.5.9 7..6 NI.. 8.8 6.6. NK.5 Cu Sample B Cu Part B Youdendiagram 9 8 7 6 5 5 6 7 8 9 Sample B, 95% confidence Medel/Mean Medel/Mean 5º AG AI AK DI NF NG NI NK

(NI) 68 (AK) 89 (AK) 9 (NI) 96 (AI) 8 (NF) 7 (AI) 9 (AG) (AK) 7 (NF) (NG) 8 (NG) 7 (AK) 7 (AI) 9 (AI) (NK) 78 (AI) 76 (AI) (NI) 7 (DI) 66 (NF) z-score for Cu Cu Del B / Part B Lab Method Sample Z-score Sample Z-score NK..6.5.5 AK 6 -.5 -. 8 NF 5 -. 9 -.8 8 NG 8.7 -. NG -.5. NI 57.. 5.6.67 9 AG.6 -.5.96 -.5 9 AI..8 9.. 66 NF 8.6 5.7 7 AI. 8.9 78 AI 5.7.59 6..9 89 AK 7 -.78 7 -. 96 AI -. -.7 7 AI -. -.5 NI 98.8 -.9 9. -. X 7 DI 55.88 55.8 7 NF 5.58 6 -. 68 AK 8 -. -.7 9 NI -.5 7 -. 7 AK -.. 76 AI 5.8 5.8 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method)

Fe Järn / Iron Analyskoder & metoder FE-AI Järn. Syralösligt. Analys med ICP-AES efter uppslutning i Kungsvatten. SS-EN ISO 5587- FE-AI Järn. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 FE-AK Järn. Syralösligt. ICP-MS. Direkt injicering efter uppslutning med HNO (7M). FE-AT Järn. Syralösligt. Uppslutning med kaliumperoxidisulfat. Fotometrisk bestämning med TPTZ. SS 89 FE-DI Järn. Löst (.5 µm filter). ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885:9 FE-HACH Järn. Enligt Hach eller liknande. FE-NF Järn. Ofiltrerat. Atomabsortion. Flamma. Direkt injicering. SS 85; SS 85 FE-NG Järn. Ofiltrerat. Atomabsortion. Flamlös bestämning. Direkt injicering. SS-EN ISO 5586:; (SS 88; SS 88) FE-NI Järn. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren FE-NK Järn. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 Analysis codes & methods FE-AI Iron. Acid soluable. Analysis by ICP-AES after digestion in Aqua Regia. SS-EN ISO 5587- FE-AI Iron. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 FE-AK Iron. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. FE-AT Iron. Acid soluable. Digestion in potassiumperoxidisulphate. Photometric determination with TPTZ. SS 89 FE-DI Iron. Dissolved (.5 µm filter). ICP-AES. Direct injection. Deutsche Einheitsverfahren; SS-EN ISO 885:9 FE-HACH Procedure according to HACH or similar. FE-NF Iron. Unfiltered. Atomic absorption. Flame. Direct injection. SS 85; SS 85 FE-NG Iron. Unfiltered. Atomic absorption. Flameless determination. Direct injection. SS-EN ISO 5586:; (SS 88; SS 88) FE-NI Iron. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren FE-NK Iron. Unfiltered. ICP-MS. Direct injection. EPA.8

Sample A, 9.65.5 5.5 8.5.85.65 6.5 9.5.5.85.95.95 6.95 9.95.95 5.95 8.95.95.95 7.95 Fe Del A / Part A Fe Sample A Method Mean Median Stdev Range CV% n Total.67. 6.8 7. 9. 6 AI 9. AT.7 5..6..6 7 DI.9 NF.. 8. 6. 6. NG. NI.6.99 6.97 5.5.8 NK.8. 7..5.99 9 Fe Sample A 5 Fe Sample A Method Mean Median Stdev Range CV% n Total.9.5 6. 5.. 6 AI 6. AT.9.8 6.5 8.5 9.58 7 DI.87 NF 9.9 9. 7.6 5. 5.5 NG 9.8 NI 9.85 9.8.5 6.9.7 NK.8.7 7.7 5..9 9 Fe Sample A Fe Part A Youdendiagram 55 5 5 5 5 5 95% confidence Medel/Mean Medel/Mean 5º AI AT DI NF NG NI NK 5 5 5 5 5 55 Sample A,

8 (NG) 56 (AT) 8 (NF) 68 (NK) (NK) 7 (NK) 89 (AI) 89 (NI) 7 (NI) 6 (NK) (AT) (NF) 6 (NK) 9 (AT) 75 (DI) (NK) (NI) 65 (AT) 55 (AT) 7 (NK) 9 (AT) (NI) 7 (NK) 66 (NF) 67 (AT) 7 (NK) z-score for Fe Fe Del A / Part A Lab Method Sample Z-score Sample Z-score NK.58.5.85.6 NF -. 9 -. NK 7.7 -.79 5.5 -.8 8 NG. -.8 9.8 -.7 8 NF.7 -..8 -. 7 NK 8..7 5..7 6 NK 9. -.57 8.5 -. 6 NK..7.7. NI.97.5.5. 56 AT 5.7 -..5 -.6 66 NF.7 8. 89 AI 9 -.58 6 -.7 7 NK.5. 6..9 NI.5.7..6 AT -. 8 -. 67 AT.7 9.7 68 NK.7 -.. -.68 7 NK 5.7 -. 8.8 -.7 75 DI.9 -.9.866.8 7 NI 8. -.68 7. -.5 9 AT 6.5 6.89 9 AT. -.8 55 AT 5.7 5.7 65 AT 5...8.7 89 NI 9. -.58 6. -.66 7 NK.7. 5.6.8 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 5

9.65.5 8.5 5.5.85 8.65 5.5.5 9.5 55.85 5.8. 8..6 6.8 5. 9. 5.6 Fe Del B / Part B Fe Sample B Method Mean Median Stdev Range CV% n Total.6. 9. 7.6.96 5 AI. AI 8.. 7.8..6 7 AK. AT 8.8 8. 6...5 DI.5.5 9... HACH 5. NF.5.5.6 5..7 NG 7. NI. 5. 8.7 6..77 NK.5...6.66 Fe Sample B 6 5 Fe Sample B Method Mean Median Stdev Range CV% n Total 8.7 9.. 6. 6.9 6 AI.7 AI.....5 7 AK 7.5 7.5 7.7 5. 8.5 AT 8. 6.7 8.5 7..57 DI.9.9 9.8.8.9 HACH. NF 5.5 5.5 9. 7. 8.86 NG. NI.7 7.. 5. 5.9 NK.8. 6.. 6.7 Fe Sample B 6 5 6

Sample B, Fe Del B / Part B Fe Part B Youdendiagram 8 7 6 5 9 9 5 6 7 8 Sample B, 95% confidence Medel/Mean Medel/Mean 5º AI AI AK AT DI HACH NF NG NI NK 7

(NI) 7 (NF) 68 (AK) 8 (NF) 9 (NI) 7 (DI) 5 (HACH) (AK) 95 (AI) 6 (NK) 75 (DI) 78 (AI) 7 (AI) 89 (AI) 66 (NF) 89 (NI) 65 (AT) (AT) (NI) 96 (AI) 7 (AI) 76 (AI) 8 (NG) 6 (NK) 9 (AT) 5 (AT) 7 (AI) (NK) z-score for Fe Fe Del B / Part B Lab Method Sample Z-score Sample Z-score NK 5.6.5 56..9 AK -.8 -.6 8 NF 7 -.89 -.86 8 NG 7.6.6 6 NK -.8 -. 6 NK.9.9 NI 7..6.. 5 AT 6..6..95 66 NF -.8 9. 7 AI -.9.6 78 AI.8 -.6 5.79 -. 89 AI -.7 7 -. 95 AI -.7.7 -.56 96 AI -.7.9 7 AI 5.66 7 -.8 NI 8.7-6.9 X 7.5 -. X 7 DI 6 -. 6 -.88 7 NF -. X -8.8 X AT 5.5.6 68 AK 6 -.78 X 95 -. 75 DI 8.975 -.6 9.89.8 9 NI -.6 8 -. 9 AT.69 8. 65 AT -.7.6 89 NI 5.5 7 -. 5 HACH 5 -. -.5 7 AI 6. 8. 76 AI.8 5. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 8

Hg Kvicksilver / Mercury Analyskoder & metoder HG-AK Kvicksilver. Syralösligt. Uppslutning med HNO. ICP-MS. Direkt injicering. Analysis codes & methods HG-AK Mercury. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. HG-AV Kvicksilver. Syralösligt. Uppslutning med HNO. Cold vapor. Atomabsorption. SS-EN ISO 86:; (SS 875; SS 85) HG-BL Kvicksilver. Syralösligt. Uppslutning i HNO. Cold vapor. Atomfluorescens. HG-NK Kvicksilver. Ofiltrerat. ICP-MS. Direkt insprutning. EPA.8 HG-NV Kvicksilver. Ofiltrerat. Cold vapor. Atomabsorption. Flamlös. SS-EN ISO 86:; (SS 875) HG-UL Kvicksilver. Syralösligt. Bromering. Atomfluorescens. SS-EN ISO 785; EPA 6 HG-AV Mercury. Acid soluable. Digestion in HNO. Cold vapor. Atomic absorption. SS-EN ISO 86:; (SS 875; SS 85) HG-BL Mercury. Acid soluable. Atomic fluorescence spectrometry after digestion in HNO (7M). HG-NK Mercury. Unfiltered. ICP-MS. Direct injection. EPA.8 HG-NV Mercury. Unfiltered. Cold vapor. Atomic absorption. Flameless. SS-EN ISO 86:; (SS 875) HG-UL Mercury. Acid soluable. Atomic fluorescence spectrometry after bromination. HG-XX Annan metod. HG-XX Other method. 9

Sample A,.5.75.975.5.555.6785.855.95.595.865.6665.75.85.8675.95.5.685.55.5.695 Hg Del A / Part A Hg Sample A Method Mean Median Stdev Range CV% n Total.957.95.8.6 9.8 9 BL.5.95.9. 9.7 NK.9 NV.995 UL.9.9.6.9 8. XX.67 Hg Sample A Hg Sample A Method Mean Median Stdev Range CV% n Total.85.95.. 7.6 BL.988.9.8.56 9.9 NK.59.59.76.8 8. NV.985 UL.86.87.7. 9. XX.7 Hg Sample A Hg Part A Youdendiagram.6....8.6. 95% confidence Medel/Mean Medel/Mean 5º BL NK NV UL XX....6.8....6 Sample A, 5

68 (NK) 89 (XX) 9 (UL) 7 (UL) (BL) 89 (BL) 7 (NV) 7 (UL) (NK) 8 (BL) z-score for Hg Hg Del A / Part A Lab Method Sample Z-score Sample Z-score NK.9.7..9 9 UL.7 -..69 -.58 89 BL.9 -.5.9. 7 UL.5.5.99.8 7 UL.9 -..87. 68 NK.857-6.6 X.5 -. 89 XX.67 -.58.7 -.9 BL.95 -..8. 7 NV.995..985.7 8 BL.7.75.9. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 5

Sample B,.5.85.565.695.885.75.585.65.65.85.95.995.65.5.55.675.75.85.985 5.555 Hg Del B / Part B Hg Sample B Method Mean Median Stdev Range CV% n Total.57.5.68.96 8.7 8 AK.8 AV.785.785.89.55 8. BL.595.595.7.59 9.8 UL.9..99.7 9. Hg Sample B Hg Sample B Method Mean Median Stdev Range CV% n Total.77.7.5.69.5 9 AK.555.555.587.8 6.5 AV.55.55.96.56 8.7 BL.5.5..88.9 UL..9.8.6 7.7 Hg Sample B 5.6 Hg Part B Youdendiagram 5..8...6 95% confidence Medel/Mean Medel/Mean 5º AK AV BL UL...6...8 5. 5.6 Sample B, 5

68 (AK) 7 (UL) 9 (UL) (AK) 89 (BL) 7 (AV) 7 (UL) 8 (BL) (AV) z-score for Hg Hg Del B / Part B Lab Method Sample Z-score Sample Z-score AK.8 -.6.97 -. 9 UL.98 -..9 -. 89 BL. -.56..5 7 UL.8.79.7.58 7 UL. -.5.86 -.6 68 AK.5-6.67 X. -.6 AV 5.6.5.8. 7 AV.5..7.8 8 BL.89..68.88 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 5

Mn Mangan / Manganese Analyskoder & metoder MN-AI Mangan. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885 MN-AK Mangan. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. SS-EN ISO 79; EPA.8 MN-HACH Mangan. Enligt Hach eller liknande. MN-NF Mangan. Ofiltrerat. Atomabsorption. Flamma. Direkt injicering. SS 85; SS 85; (SS 857) MN-NG Mangan. Ofiltrerat. Atomabsorption. Flamlös bestämning. Direkt injicering. SS-EN ISO 5586:; (SS 88; SS 88) MN-NI Mangan. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren MN-NK Mangan. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 MN-NVXU Mangan. Syralösligt. Uppslutning med kaliumperoxidisulfat. Spektrofotometrisk bestämning med formaldoxim. SS 8- Analysis codes & methods MN-AI Manganese. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). Deutsche Einheitsverfahren; SS-EN ISO 885 MN-AK Manganese. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. SS-EN ISO 79; EPA.8 MN-HACH Procedure according to HACH or similar. MN-NF Manganese. Unfiltered. Atomic absorption. Flame. Direct injection. SS 85; SS 85; (SS 857) MN-NG Manganese. Unfiltered. Atomic absorption. Flameless determination. Direct injection. SS-EN ISO 5586:; (SS 88; SS 88) MN-NI Manganese. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren MN-NK Manganese. Unfiltered. ICP-MS. Direct injection. EPA.8 MN-NVXU Manganese. Acid soluable. Digestion in potassium peroxydisulphate. Spectrophotometric determination with formaldoxime (NHOH*Cl+HCHO). SS 8-5

Sample A,..76 6. 8. 9.68 5. 5.96 5.6 56. 57.88 9.5 5.65 5.95 5.5 5.95 55.785 57.75 58.65 59.655 6.95 Mn Del A / Part A fotometriska metoder / photometric methods Mn_foto Sample A Method Mean Median Stdev Range CV% n Total 56.7 57...6 7.8 7 NVXU 56.7 57...6 7.8 7 Mn_foto Sample A Mn_foto Sample A Method Mean Median Stdev Range CV% n Total 5.9 5. 5..8.5 7 NVXU 5.9 5. 5..8.5 7 Mn_foto Sample A Mn_foto Part A Youdendiagram 75 7 65 6 55 5 5 95% confidence Medel/Mean Medel/Mean 5º NVXU 5 5 5 5 55 6 65 7 75 Sample A, 55

56 (NVXU) (NVXU) 65 (NVXU) 55 (NVXU) 9 (NVXU) 67 (NVXU) 9 (NVXU) z-score for Mn_foto Mn: fotometriska metoder / photometric methods Del A / Part A Lab Method Sample Z-score Sample Z-score 56 NVXU 9. -.77. -.7 NVXU 5 -.66 5 -. 67 NVXU 6.8 57.89 9 NVXU 6. 58.8 9 NVXU 6.8 5. 55 NVXU 57.7 56.7 65 NVXU 55.6 -.7 8.8 -.66 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 56

Sample A,.5.5 6.5 8.5.5.5.5 6.5 8.5 5.5.5.95.655.95 6.75 7.5 8.695 9.955 5.5 5.75 Mn Del A / Part A icke-fotometriska metoder / non-photometric methods Mn_ejfoto Sample A Method Mean Median Stdev Range CV% n Total 7.6 7.89.9. 6. 8 AI 8. AK 7. NF... 6.8 7.7 NG. NI 9.8 9.8.6.6.8 NK 8.57 8.5.5 6.7.6 9 Mn_ejfoto Sample A Mn_ejfoto Sample A Method Mean Median Stdev Range CV% n Total.57 5.. 8. 9.66 9 AI 5. AK 5. NF.5..7 5. 6.57 NG 9. NI.9 5.5 7. 6.8 6.7 NK 6. 6.. 6..8 9 Mn_ejfoto Sample A Mn_ejfoto Part A Youdendiagram 6 55 5 5 95% confidence Medel/Mean Medel/Mean 5º AI AK NF NG NI NK 5 5 5 5 55 6 Sample A, 57

(NI) 8 (NF) 8 (NG) (NF) 6 (NK) 6 (NK) 7 (NI) (NK) 66 (NF) (AI) 7 (NK) 68 (NK) 89 (NI) 7 (NK) (NK) 7 (NK) 89 (AK) (NI) 7 (NK) z-score for Mn_ejfoto Mn: icke-fotometriska metoder / non-photometric methods Del A / Part A Lab Method Sample Z-score Sample Z-score NK 7.77.6.8 -.7 NF -. -.6 NK 5..89 6.. 8 NF. -. 8.6 -.9 8 NG. -.55 9. -. 7 NK 5.5.69 8.59.9 6 NK 5.8 -.6. -. 6 NK 6.8 -.8.9 -.5 NI 5..9 8.76.97 66 NF 8. -. 89 AK 7. -.7 5..5 7 NK 5..9 6..6 NI -5.8 X.58 -.79 68 NK 5.9 -.59 9.. 7 NK 8.5. 5.. 7 NI 6.7 -..7. 89 NI 9.8.76 6.. AI 8.. 5..7 7 NK 9..6 7.7.7 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 58

9.65.5 8.5.75.5 8.5.85.55 8.5 5.95.7 8.7.7.7 6.7.7 8.7.7 5.7 56.7 Mn Del B / Part B Mn Sample B Method Mean Median Stdev Range CV% n Total 6. 5..8 5. 6.5 AI 7.8 7.. 5. 5.5 AK 8.5 6.5.. 5.97 HACH 57. NF 8.5 8.5.5 5..55 NG. NI 6.9 6.. 9..8 NK 8.6 9..5.9.8 NVXU 5. Mn Sample B Mn Sample B 5 Mn Sample B Method Mean Median Stdev Range CV% n Total.5. 7. 6. 7.8 AI.8. 9. 9..96 AK 5..5.8. 6.8 HACH 5. NF... 6..89 NG. NI 9.6 7.5 6. 5..9 NK 5.9 7.. 8.6 6.8 NVXU 8. 59

Sample B, Mn Del B / Part B Mn Part B Youdendiagram 9 8 7 6 5 9 8 8 9 5 6 7 8 9 Sample B, 95% confidence Medel/Mean Medel/Mean 5º AI AK HACH NF NG NI NK NVXU 6

7 (NF) 9 (NI) (NI) 8 (NG) 8 (NF) 6 (NK) 89 (AK) 7 (AI) (AK) 96 (AI) 66 (NF) 89 (NI) 6 (NK) 68 (AK) 7 (AI) 76 (AI) (NK) (NVXU) (NI) 5 (HACH) 7 (AK) z-score for Mn Mn Del B / Part B Lab Method Sample Z-score Sample Z-score NK 8.9.86 9.6. AK 9 -.9 -.9 8 NG -.5 -.5 8 NF 6 -.69 -.55 6 NK 8 -.56 -.55 6 NK 9.9 7.8 NI 5..9 8.. 66 NF -.5 7 -. 7 AI 7 -.6 -.8 89 AK 5 -.76 6 -.6 96 AI 6 -.69 6 -.6 7 AI 5. 8. NI. -.6.6 -.77 7 NF 6-5. X 56 -. X NVXU 5. 8. 68 AK.5 7.8 9 NI -.5 95 -.6 89 NI.6 5.6 5 HACH 57. 5. 7 AK 56. 55. 76 AI 7.7.7 z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 6

Mo Molybden / Molybdenum Analyskoder & metoder MO-AI Molybden. Syralösligt. Analys med ICP-AES efter uppslutning i Kungsvatten. Analysis codes & methods MO-AI Molybdenum. Acid soluable. Analysis by ICP-AES after digestion in Aqua Regia. MO-AI Molybden. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. MO-AI Molybdenum. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). MO-AK Molybden. Syralösligt. ICP-MS. Direkt injicering efter uppslutning med HNO (7M). MO-AK Molybdenum. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. MO-DI Molybden. Löst (.5 µm filter). ICP-AES. Direkt injicering. MO-DI Molybdenum. Dissolved (.5 µm filter). ICP-AES. Direct injection. MO-NK Molybden. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 MO-NK Molybdenum. Unfiltered. ICP-MS. Direct injection. EPA.8 6

Sample A,.99.9.65..57.67.89.95.8.7.96.5.8.6....79.558.67 Mo Del A / Part A Mo Sample A Method Mean Median Stdev Range CV% n Total.7.86.9.7 8.8 8 AK.5 NK.9.7.5.7 9. 7 Mo Sample A Mo Sample A Method Mean Median Stdev Range CV% n Total.5.6...7 8 AK. NK...99.6 8. 7 Mo Sample A Mo Part A Youdendiagram.6....8.6....8 95% confidence Medel/Mean Medel/Mean 5º AK NK.6....6.8....6.8... Sample A, 6

68 (NK) 7 (NK) 7 (NK) 7 (NK) 7 (NK) (NK) (NK) 89 (AK) z-score for Mo Mo Del A / Part A Lab Method Sample Z-score Sample Z-score NK.55..5. NK.6.8.6.7 7 NK.7.. -. 89 AK.5.76..9 7 NK. -.. -.5 68 NK.9 -.. -.7 7 NK...9 -. 7 NK.5 -.. -. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 6

Sample B,.95.95.95.95 5.95 6.95 7.95 8.95 9.95.95.855 5.75 6.595 7.65 8.5 9.5.75.95.85.685 Mo Del B / Part B Mo Sample B Method Mean Median Stdev Range CV% n Total 9. 8.98.6 7.8 8.5 8 AI.7 AI 7.95 7.95.9.7.77 AK 7.67 8.6..6 8.8 DI. NK 9.6 Mo Sample B Mo Sample B Method Mean Median Stdev Range CV% n Total 6.9 6.5.58 9. 9.8 8 AI 6. AI 5.55 5.55.9.7 7.7 AK 5. 6..7 5..85 DI. NK 6.88 Mo Sample B Mo Part B Youdendiagram 6 8 6 95% confidence Medel/Mean Medel/Mean 5º AI AI AK DI NK 8 6 8 6 8 Sample B, 65

68 (AK) 7 (AI) 7 (AI) 89 (AK) 7 (AK) (NK) 95 (AI) 7 (DI) z-score for Mo Mo Del B / Part B Lab Method Sample Z-score Sample Z-score NK 9.6. 6.88. 7 AI 7.6 -.6. -.8 89 AK 8.6 -. 7.. 95 AI.7.6 6 -. 7 AI 8. -. 6.9. 7 DI.7.8 68 AK.9 -.7. -.66 7 AK 9.5.5 6. -. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 66

Ni Nickel Analyskoder & metoder NI-AI Nickel. Syralösligt. Analys med ICP-AES efter uppslutning i Kungsvatten. Analysis codes & methods NI-AI Nickel. Acid soluable. Analysis by ICP-AES after digestion in Aqua Regia. NI-AG Nickel. Syralösligt. Atomabsorption. Flamlös. Direkt injicering efter uppslutning med HNO (7M). NI-AG Nickel. Acid soluable. Atomic absorption. Flameless. Direct injection after digestion in HNO (7M). NI-AI Nickel. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. NI-AI Nickel. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). NI-AK Nickel. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. NI-AK Nickel. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. NI-DI Nickel. Löst (.5 µm filter). ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885:9 NI-DI Nickel. Dissolved (.5 µm filter). ICP-AES. Direct injection. NI-NF Nickel. Ofiltrerat. Atomabsorption. Flamma. Direkt injicering. NI-NF Nickel. Unfiltered. Atomic absorption. Flame. Direct injection. NI-NG Nickel. Ofiltrerat. Atomabsorption. Flamlös bestämning. Direkt injicering. NI-NG Nickel. Unfiltered. Atomic absorption. Flameless determination. Direct injection. NI-NI Nickel. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren NI-NK Nickel. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 NI-NI Nickel. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren NI-NK Nickel. Unfiltered. ICP-MS. Direct injection. EPA.8 67

Sample A,.665.5.5.885.65.65.55.585.6585.75.98..86..7.8.6.6.5.9 Ni Del A / Part A Ni Sample A Method Mean Median Stdev Range CV% n Total.68..6. 5.98 AG.5 AK.5 NG.5.5.6.5.56 NI.7 NK.78.9.7.5.9 7 Ni Sample A Ni Sample A Method Mean Median Stdev Range CV% n Total.95.7.69.67 7. AG. AK.7 NG.....6 NI.6 NK.9.7.9.6.7 7 Ni Sample A Ni Part A Youdendiagram..8.6....8 95% confidence Medel/Mean Medel/Mean 5º AG AK NG NI NK.6.6.8....6.8. Sample A, 68

68 (NK) (NK) 7 (NK) 7 (NK) 7 (NK) 8 (NG) 7 (NK) (NK) (NG) 7 (NI) 9 (AG) 89 (AK) (NI) z-score for Ni Ni Del A / Part A Lab Method Sample Z-score Sample Z-score NK.5.7.9 -. NK. -.7.6 -.8 8 NG.5 -.. -.5 7 NK. -.9.77 -. NG..97. -.56 9 AG.5.7..7 89 AK.5..7.6 7 NK. -.. -.56 NI.9 6.69 X.6 7.5 X 68 NK. -..7 -. 7 NK.9 -.58.7 -.5 7 NI.7.75.6.9 7 NK. -... z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 69

8.87 9.7.7.67.7.87.7.7.67.7.67.9.9.5.5.77 5.9 6. 6.6 7.5 Ni Del B / Part B Ni Sample B Method Mean Median Stdev Range CV% n Total...7 5.6.85 9 AI.7 AG 6.78 AI.69.5...5 6 AK.7.55.8..75 DI 6. NF 7. NG.5.5...5 NI.86.86... NK.65 Ni Sample B 5 Ni Sample B Method Mean Median Stdev Range CV% n Total.99.7.9 5.9.6 9 AI. AG. AI.95.95.6.8.8 6 AK.5..9.6 6. DI. NF 8.9 NG.75.75.9..6 NI.9.9... NK.86 Ni Sample B 7

Sample B, Ni Del B / Part B Ni Part B Youdendiagram 8 7 6 5 9 8 7 6 8 9 5 6 7 8 9 5 Sample B, 95% confidence Medel/Mean Medel/Mean 5º AI AG AI AK DI NF NG NI NK 7

89 (AK) 68 (AK) 96 (AI) 8 (NG) 95 (AI) 78 (AI) (NG) 76 (AI) 8 (NF) 7 (AI) 9 (AI) 7 (AI) (NK) 7 (AK) (NI) (NI) 7 (DI) (AK) 9 (AG) z-score for Ni Ni Del B / Part B Lab Method Sample Z-score Sample Z-score NK.65..86.96 AK 6..5..7 8 NF 7..86 8.9 -.59 8 NG. -.. -.97 NG. -.. -. NI.79.8.9.8 9 AI 5..5.7.6 9 AG 6.78.55..5 7 AI. -..5.78 78 AI.7 -.8.5 -.77 89 AK.7 -. 9. -. 95 AI.7 -.85. -.87 96 AI -.6 -. 7 AI..9.8.9 NI.9.6.9.8 7 DI 6.9.5 68 AK. -.8 9. -.9 7 AK.8.9.9.98 76 AI. -.8. -. z-score Sample z-score Sample Unsatisfactory Questionable - - - - Lab Code (Method) 7

Pb Bly / Lead Analyskoder & metoder PB-AG Bly. Syralösligt. Atomabsorption. Flamlös. Direkt injicering efter uppslutning med HNO (7M). Analysis codes & methods PB-AG Lead. Acid soluable. Atomic absorption. Flameless. Direct injection after digestion in HNO (7M). PB-AI Bly. Syralösligt. Uppslutning med HNO. ICP-AES. Direkt injicering. PB-AI Lead. Acid soluable. ICP-AES. Direct injection after digestion in HNO (7M). PB-AK Bly. Syralösligt. ICP-MS. Uppslutning med HNO. Direkt injicering. PB-AK Lead. Acid soluable. ICP-MS. Digestion in HNO. Direct injection. PB-DI Bly. Löst (.5 µm filter). ICP-AES. Direkt injicering. Deutsche Einheitsverfahren; SS-EN ISO 885:9 PB-NF Bly. Ofiltrerat. Atomabsortion. Flamma. Direkt injicering. SS 85; SS 85 PB-NG Bly. Ofiltrerat. Atomabsorption. Flamlös bestämning. Direkt injicering. PB-DI Lead. Dissolved (.5 µm filter). ICP-AES. Direct injection. Deutsche Einheitsverfahren; SS-EN ISO 885:9 PB-NF Lead. Unfiltered. Atomic absorption. Flame. Direct injection. SS 85; SS 85 PB-NG Lead. Unfiltered. Atomic absorption. Flameless determination. Direct injection. PB-NI Bly. Ofiltrerat. ICP-AES. Direkt injicering. Deutsche Einheitsverfahren PB-NK Bly. Ofiltrerat. ICP-MS. Direkt injicering. EPA.8 PB-NI Lead. Unfiltered. ICP-AES. Direct injection. Deutsche Einheitsverfahren PB-NK Lead. Unfiltered. ICP-MS. Direct injection. EPA.8 7