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TABLE 1 • <br /> LABORATORY RESULTS FOR <br /> STOCKPILE COMPOSITE SOIL SAMPLED) <br /> Laboratory Method Compound Detected Concentration Applicable Hazardous <br /> Reported Criteria(2) <br /> Volatile Organics All target compounds Detection limits range NA <br /> EPA Method 8240 reported below from 5 - 10 gg/kg <br /> detection hrruts <br /> Senuvolatile Orgaiucs All target compounds Detection hunts range NA <br /> EPA Method 8270 reported below from 1.65 - 8 mg/kg <br /> detection lunits <br /> Organochlorine All target compounds Detection hnuts range NA <br /> Pesticides and PCBs reported below from I - 50 gg/kg <br /> EPA Method 8080 detection hnuts <br /> CCR Metals Arsenic 16 mg/kg 500 mg/kg <br /> Chromium 29 mg/kg 2,500 mg/kg <br /> Cobalt 14 mg/kg 800 mg/kg <br /> Copper 26 mg/kg 2,500 mg/kg <br /> Lead 10 mg/kg 1,000 mg/kg • <br /> Nickel 24 mg/kg 2,000 mg/kg <br /> Zinc 43 mg/kg 5,000 mg/kg <br /> Total Extractable NA 1,300 mg/kg NA <br /> Petroleum <br /> Hydrocarbons <br /> Acute Aquatic 96- NA Greater than Less than 500 mg/kg <br /> Hour LC50 Toxicity 750 mg/kg <br /> {1)Preliminary results obtained on December 3, 1990. Final results should be available within a <br /> week. <br /> (2)California Code of Regulations (CCR) Title 22,Article I1 <br /> ENVIRONMENTAL SOLUTIONS <br />