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TABLE B-6 <br /> SUMMARY OF HEALTH-BASED CRITERIA FOR AIR INHALATION - POST-EXCAVATION SOIL <br /> PHASE II SITE INVESTIGATION AND SITE CLOSURE REPORT <br /> CAL-FARM SUPPLY STOCKTON FACILITY <br /> K/J/C 882526.01 <br /> RCRA RCRA Criteria <br /> Calculated Airborne EPA Carcinogen RSD` for Systematic <br /> Pesticide Concentratlone(ug/m3) Classification u m3 Toxicants (ug/m3) <br /> alpha-BHC 1.1 x 10-6 B - - <br /> beta-BHC 7.8 x 10.7 C - - <br /> gamma-BHC 7.8 x 10-7 C 2.7 x 10-2 - <br /> delta-BHC 7.5 x 10-7 D - - <br /> Endosulfan II 1.1 x 10-6 Unk - 2 x 10-' <br /> 4,4'-DDE 1.3 x 10-5 B -4,4'-DDD 1 .9 x 10-5 B -4,41-DDT 1.3 x 10-5 B 1.0 x 10-2 - <br /> Endrin 9.0 x 10-7 D - 1 <br /> Methoxychlor 4 4 x 10.6 D - - <br /> Atrazine 5.4 x 10.8 C - - <br /> a Calculated by multiplying the average concentration in soil by an average dust concentration in air of <br /> 30 ug/m3 (State annual average PM10 Standard) . <br /> b EPA Carcinogen Classification <br /> Group B = probable human carcinogen <br /> Group C = possible human carcinogen <br /> Group D = not classifiable <br /> c. Source: RCRA Facility Investigation (RFI) Guidance Document, EPA, May 1989, Table 8-6 for Carcinogens, <br /> RSD = Risk-Specific Dose <br /> d. Source- RCRA Facility Investigation (RFI) Guidance Document, EPA, May 1989, Table 8-7 for Systematic <br /> Toxicants <br /> Unk = unknown <br /> - = not available <br /> WPI13 882526.01 <br />