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0 k" KLEINEELDER <br />TABLE I <br />Concentrations of CAM 17 Metals in Soil <br />Granite Construction Stockpile <br />Subdivision 7253, 7358, and 7467 <br />Oakley, California <br />Metal <br />Analytes/Parameters <br />Sample Identification [Sample Date Industrial <br />24090/24091 A&B 24092/24093 A&B PRGs <br />[7/26/01] [7/26/01] For Soil <br />(11/I/00) <br />lox <br />TTLC Limits STLC Limits <br />Antimony <br />ND (< 50) <br />ND (< 10) 820 <br />500 <br />150 <br />Arsenic <br />ND (< 50) <br />12 440 2-7(2) <br />500 <br />50 <br />Barium <br />380 <br />230 120,000 <br />10,000 <br />1,000 <br />Beryllium <br />ND (<5.0) <br />ND (<1.0) 3,700 2,200(2) <br />75 <br />7.5 <br />Cadmium <br />ND (<5.0) <br />ND (<1.0) 810 3,000 , <br />100 <br />10 <br />Chromium <br />31 <br />21 450 (2) <br />2,500 <br />50 <br />Cobalt <br />ND (<20) <br />8.8 120,000 <br />8,000 <br />800 <br />Copper <br />590 <br />33 76,000 <br />2,500 <br />250 <br />Lead <br />590 <br />100 750 <br />1,000 <br />50 <br />Mercury <br />0.11 <br />0.057 610(,) <br />20 <br />2 <br />Molybdenum <br />ND (<20) <br />ND (<4) 101000 <br />3,500 <br />3,500 <br />Nickel <br />44 <br />32 41,000 <br />2,000 <br />200 <br />Selenium <br />ND (< 50) <br />ND (< 10) 101000 <br />100 <br />10 <br />Silver <br />ND (<5.0) <br />ND (<1.0) 10,000 <br />500 <br />50 <br />Thallium <br />ND (< 50) <br />ND (< 10) 130 <br />700 <br />70 <br />Vanadium <br />22 <br />25 14,000 <br />2,400 <br />240 <br />Zinc <br />740 <br />160 610,000(1) <br />5,000 <br />2,500 <br />Units <br />mg/kg <br />mg/1 <br />Notes: <br />ND <br />mg/kg <br />mg/1 <br />TTLC <br />STLC <br />PRGs <br />111 <br />(2) <br />= none detected at or above the detection limits shown <br />= milligrams per kilogram (parts per million) <br />= milligrams per liter (parts per million) <br />= total threshold limit concentration <br />= soluble threshold limit concentration <br />= preliminary remediation goals <br />= non carcinogenic hazard <br />=cancer risk 1 E+06 <br />for the individual analytes <br />20-1108-33.001/200 1 E097 Page T-1 <br />Copyright 2001, Kleinfelder, Inc. October 16, 2001 <br />