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TABLE B-3 <br /> SUMMARY OF HEALTH-BASED CRITERIA FOR AIR INHALATION - PRE-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 Concentratione(Ug/m3 Classification u m3 Toxicants (ugZm3 <br /> alpha-BHC 1.9 x 10-6 B - - <br /> Endosul fan I 3.2 x 10`6 Unk - 2.0 x 10-' <br /> Endosulfan II 2.1 x 10-6 Unk - 2.0 x 10-1 <br /> 4,4'-DDE 6.6 x 10-5 B -4,4' -DDD 1 .0 x 10-4 B - - <br /> 4,4'-DDT 2.6 x 10-4 B 1.0 x 10-1 - <br /> Methoxychlor 6.8 x 10-6 D - - <br /> Atrazine 5.4 x 108 C - - <br /> Simazine 1 6 x 10-7 Unk - - <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 />