REPORTING LIMITS

METALS

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Mercury EPA 7470A / EPA 7471A

CAS # Element Reporting Limit ug/L mg/Kg 7439-97-6 Hg Mercury 0.2 0.02

Cations EPA 6010B

CAS # Element Reporting Limit ug/L mg/Kg 7429-90-5 Al Aluminum 100 10 7440-70-2 Ca Calcium 500 25 7439-89-6 Fe Iron 100 5 7439-95-4 Mg Magnesium 500 25 7439-96-5 Mn Manganese 10 0.5 7440-09-7 K Potassium 500 25 7440-23-5 Na Sodium 500 25

Miscellaneous Metals EPA 6010B

CAS # Element Reporting Limit ug/L mg/Kg 7440-42-8 B Boron 20 1 7723-14-0 P Phosphorous 100 5 7440-21-3 Si Silicon 200 10 7440-31-5 Sn Tin 40 2 7440-32-6 Ti Titanium 10 0.5

CA Title-22 Metals EPA 6010B/7400

CAS # Element Reporting Limit ug/L mg/Kg 7440-36-0 Sb Antimony 10 3 7440-38-2 As Arsenic 5 0.25 7440-39-3 Ba Barium 5 0.5 7440-41-7 Be Beryllium 2 0.1 7440-43-9 Cd Cadmium 5 0.25 7440-47-3 Cr Chromium 5 0.5 7440-48-4 Co Cobalt 5 1 7440-50-8 Cu Copper 5 0.5 7439-92-1 Pb Lead 3 0.15 7439-97-6 Hg Mercury 0.2 0.02 7439-98-7 Mo Molybdenum 5 1 7440-02-0 Ni Nickel 5 1 7782-49-2 Se Selenium 10 0.25 7440-22-4 Ag Silver 5 0.25 7440-28-0 Tl Thallium 10 0.25 7440-62-2 V Vanadium 5 0.5 7440-66-6 Zn Zinc 20 1

Priority Pollutant-13 Metals EPA 6010B/7400 CAS # Element Reporting Limit ug/L mg/Kg 7440-36-0 Sb Antimony 10 3 7440-38-2 As Arsenic 5 0.25 7440-41-7 Be Beryllium 2 0.1 7440-43-9 Cd Cadmium 5 0.25 7440-47-3 Cr Chromium 5 0.5 7440-50-8 Cu Copper 5 0.5 7439-92-1 Pb Lead 3 0.15 7439-97-6 Hg Mercury 0.2 0.02 7440-02-0 Ni Nickel 5 1 7782-49-2 Se Selenium 10 0.25 7440-22-4 Ag Silver 5 0.25 7440-28-0 Tl Thallium 10 0.25 7440-66-6 Zn Zinc 20 1

RCRA-8 Metals EPA 6010B/7400 CAS # Element Reporting Limit ug/L mg/Kg 7440-38-2 As Arsenic 5 0.25 7440-39-3 Ba Barium 5 0.5 7440-43-9 Cd Cadmium 5 0.25 7440-47-3 Cr Chromium 5 0.5 7439-92-1 Pb Lead 3 0.15 7439-97-6 Hg Mercury 0.2 0.02 7782-49-2 Se Selenium 10 0.25 7440-22-4 Ag Silver 5 0.25

CA LUFT-5 Metals EPA 6010B/7400 CAS # Element Reporting Limit ug/L mg/Kg 7440-43-9 Cd Cadmium 5 0.25 7440-47-3 Cr Chromium 5 0.5 7439-92-1 Pb Lead 3 0.15 7440-02-0 Ni Nickel 5 1 7440-66-6 Zn Zinc 20 1

ICP-MS Metals EPA 6020 CAS # Element Reporting Limit ug/L mg/Kg 7429-90-5 Al Aluminum 50 10 7440-36-0 Sb Antimony 1.0 0.25 7440-38-2 As Arsenic 1.0 0.25 7440-39-3 Ba Barium 1.0 0.25 7440-41-7 Be Beryllium 1.0 0.25 7440-43-9 Cd Cadmium 1.0 0.25 7440-70-2 Ca Calcium 50 10 7440-47-3 Cr Chromium 1.0 0.5 7440-48-4 Co Cobalt 1.0 0.25 7440-50-8 Cu Copper 1.0 0.25 7439-89-6 Fe Iron 50 10 7439-92-1 Pb Lead 1.0 0.25 7439-95-4 Mg Magnesium 50 10 7439-96-5 Mn Manganese 1.0 0.25 7439-98-7 Mo Molybdenum 1.0 1.3 7440-02-0 Ni Nickel 1.0 0.5 7440-09-7 K Potassium 50 25 7782-49-2 Se Selenium 1.0 0.25 7440-22-4 Ag Silver 1.0 0.25 7440-23-5 Na Sodium 50 25 7440-28-0 Tl Thallium 1.0 0.25 7440-62-2 V Vanadium 1 0.25 7440-66-6 Zn Zinc 5 1

Low Level ICP-MS Metals EPA 6020 by special request CAS # Element Reporting Limit ug/L mg/Kg 7429-90-5 Al Aluminum 50 10 7440-36-0 Sb Antimony 0.25 0.25 7440-38-2 As Arsenic 0.5 0.25 7440-39-3 Ba Barium 0.25 0.25 7440-41-7 Be Beryllium 0.25 0.25 7440-43-9 Cd Cadmium 0.25 0.25 7440-70-2 Ca Calcium 50 10 7440-47-3 Cr Chromium 0.5 0.5 7440-48-4 Co Cobalt 0.25 0.25 7440-50-8 Cu Copper 0.5 0.25 7439-89-6 Fe Iron 50 10 7439-92-1 Pb Lead 0.25 0.25 7439-95-4 Mg Magnesium 50 10 7439-96-5 Mn Manganese 0.25 0.25 7439-98-7 Mo Molybdenum 0.5 1.3 7440-02-0 Ni Nickel 0.25 0.5 7440-09-7 K Potassium 50 25 7782-49-2 Se Selenium 0.5 0.25 7440-22-4 Ag Silver 0.25 0.25 7440-23-5 Na Sodium 50 25 7440-28-0 Tl Thallium 0.5 0.25 7440-62-2 V Vanadium 1 0.25 7440-66-6 Zn Zinc 5 1