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Precision Enviro-Tech Certificate No 2387 <br /> Expiration Date4/3/2019 <br /> 108.113 004 Potassium EPA 200.8 <br /> 108.113 006 Sodium EPA 200.8 <br /> 108.120 002 Chloride EPA 300.0 <br /> 108.120 003 Fluoride EPA 300.0 <br /> 108.120 008 Sulfate EPA 300.0 <br /> 108.120 012 Nitrate(as N) EPA 300.0 <br /> 108.120 013 Nitrate-Nitrite(as N) EPA 300.0 <br /> 108.120 015 Phosphate,Ortho(as P) EPA 300.0 <br /> 108.209 001 Ammonia(as N) EPA 350.1 <br /> 108.211 002 Kjeldahl Nitrogen,Total(as N) EPA 351.2 <br /> 108.381 001 Oil and Grease EPA 1664A <br /> 108.381 002 Oil&Grease Total EPA 1664 Rev.B <br /> 108.410 001 Alkalinity SM2320B-1997 <br /> 108.420 001 Hardness(calculation) SM234OB-1997 <br /> 108.430 001 Conductivity SM251OB-1997 <br /> 108.440 001 Residue,Total SM254OB-1997 <br /> 108.441 001 Residue,Filterable TDS SM254OC-1997 <br /> 108.442 001 Residue,Non-filterable TSS SM254OD-1997 <br /> 108.443 001 Residue,Settleable SM254OF-1997 <br /> 108.592 001 Biochemical Oxygen Demand SM521OB-2001 <br /> 108.592 002 Carbonaceous BOD SM521OB-2001 <br /> 108.660 001 Chemical Oxygen Demand HACH8000 <br /> Field of Testing: 109-Toxic Chemical Elements of Wastewater <br /> 109.020 001 Aluminum EPA 200.8 <br /> 109.020 002 Antimony EPA 200.8 <br /> 109.020 003 Arsenic EPA 200.8 <br /> 109.020 004 Barium EPA 200.8 <br /> 109.020 006 Cadmium EPA 200.8 <br /> 109.020 007 Chromium EPA 200.8 <br /> 109.020 008 Cobalt EPA 200.8 <br /> 109.020 009 Copper EPA 200.8 FD <br /> 109.020 010 Lead EPA 200.8 <br /> 109.020 011 Manganese EPA 200.8 <br /> 109.020 012 Molybdenum EPA 200.8 APR 2 <br /> 7 H18 <br /> 109.020 013 Nickel EPA 200.8 <br /> 109.020 014 Selenium EPA 200.8 ENVIRONMENTAL <br /> 109.020 015 Silver EPA 200.8 HEALTH DEPARTMENT <br /> 109.020 016 Thallium EPA 200.8 <br /> 109.020 017 Vanadium EPA 200.8 <br /> 109.020 018 Zinc EPA 200.6 <br /> Field of Testing: 110-Volatile Organic Chemistry of Wastewater <br /> 110.040 000 Purgeable Organic Compounds EPA 624 <br /> Field of Testing: 114-Inorganic Chemistry of Hazardous Waste <br /> 114.020 001 Antimony EPA 6020 <br /> 114.020 002 Arsenic EPA 6020 <br /> 114.020 003 Barium EPA 6020 <br /> As of 4/5/2017 ,this list supersedes all previous lists for this certificate number. <br /> Customers:Please verify the current accreditation standing with the State. Page 2 of 3 <br />