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