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MONITORING AND REPORTING PROGRAM NO. R5-2010-0016 -20- SAN JOAQUIN COUNTY DEPARTMENT OF PUBLIC WORKS NORTH COUNTY LANDFILL SAN JOAQUIN COUNTY <br /> <br /> <br /> <br />Chromium 200.7/6010 ---- PQL 12 Hexavalent Chromium 7199/1636 ---- ---- ---- Cobalt 200.7/6010 ---- PQL ---- Copper 200.7/6010 ---- PQL 140 Cyanide 335.4/9010 ---- 102 ---- Iron 200.9/200.8 ---- 6202 3,340 Lead 200.9/200.8 ---- 102 ---- Manganese 200.7/6010 ---- 22 579 Mercury 7470A ---- PQL ---- Molybdenum 200.7/6010 ---- PQL ---- Nickel 200.9/200.8 ---- PQL 138 Selenium 200.9/200.8 ---- PQL ---- Silver 200.7/6010 ---- PQL ---- Sulfide 9030 ---- 7502 ---- Thallium 200.7/6010 ---- PQL ---- Tin 200.7/6010 ---- PQL ---- Vanadium 200.7/6010 ---- 302 81 Zinc 200.7/6010 ---- 362 482 ______________________ 1. “----“ means insufficient data to compute CL for this constituent. 2. Interim CL equal to 1.5 x highest concentration historically detected in background well, excluding outlier(s). 3. Interim CL set at 90% tolerance limit estimated by statistical analysis of historical upstream data, excluding outlier(s). 4. Samples shall be filtered prior to performing dissolved inorganics analysis. ORGANIC COCs & APPROVED USEPA ANALYTICAL METHODS (CONCENTRATION LIMITS = MDL) Table G.2 <br />Volatile Organic Compounds (VOCs)1 (USEPA Method 8260B) Acetone Acetonitrile Acrolein Acrylonitrile Allyl chloride (3-Chloropropene) Tert-Amyl methyl ether Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform (Tribromomethane) Tert-Butyl alcohol