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`� • • Preliminary Environmental Assessment Pittman Elementary School,Stockton,CA December 10,2003 Page 13 Table 8-Laboratory Analytical Results awn Area i -Organochlorine Pesticides alpha- beta- delta- gamma- alpha- Endrin Endrin Heptachlor Aldrin C B B BH lar a Chlorobenzilate DDD DDE DDT Dieldrin Endosulfan II aldeh ton Heptachlor oxide Methoxychlor eponing Limit Range(µ /kg): 1.8-2.21.8-2.2 1.8-2.2 1.8-2.2 1.8-2.2 1.8-2.2 3.6-4.2 1.8-2.21.8-2.21.8-2.2 1.8-2.2 1.8-2.2 1.8-2.2 1.8-2.2M82.2 7.3-8.6 3.6-4.2 PRG(µg/kg): 29 90 320 320E 440 1,600/ 1,800 2,400 1,700 1,700 30 370,O00t NE NE 53 310,000 Sample ID F Date 3638F-LI-S 08/06/2003 <.0 0.76' 0.82• <.0 <2.0 1.6+ <3.9 <2.0 <2.0 3.0 <.0 <2.0 <.0 <.0 <2.0 <7.9 <3.9 3638F-L2-S 08/06/2003 <2.1 0.83' <2.1 <2.1 <.1 <.1 <4.1 <2.1 <2.1 2.5 <2.1 <2.1 <2.1 <.1 <2.1 <8.3 <4.1 3638F-L3-S 08/06/2003 <2.2 <2.2 <2.2 <2.2 <12 <2.2 <4.2 <.2 <2.2 3.6 <2.2 <2.2 <22 <2.2 <.2 <8.6 <4. 3638F-L4-S 08/06/2003 <2.0 <.0 <2.0 1.2' <2.0 <.0 <3.9 <.0 <2.0 3.1 <.O <2.0 1.1' 0.48' <2.0 <7.9 <3.9 3638F-L5-S 08/06/2003 <2.0 <.0 <2.0 1-I• <2.0 <.0 <3.9 <2.0 0.92• 8.9 0.39" 0.52' 1.0• <2.0 <2.0 <7.9 <3.9 3638F-L6-S 08/062003 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 <3.8 <1.9 <1.9 6.3 0.64• <1.9 <1.9 1.0' <1.9 Q.6 <3.8 3638F-L7-S 08/062003 <2.0 0.77• <2.0 <2.0 0.95" <2.0 <3.9 <2.0 <2.0 3.1 <2.0 <2.0 <2.0 0.40' <.0 <7.9 <3.9 3638F-LS-S 08/062003 <1.8 <1.8 <L8 <1.8 <I.8 <1.8 <3.6 <L8 <I.8 3.6 0.44' <1.8 1.6• <L8 Q.8 <7.3 3.4• 3638F-L9-S 08/062003 <2.1 <2.1 <2.1 1.3' 0.50' 120 8.6 <.I 30 59 78 <2.1 2.0• <2.1 0.49• 12 <4.1 3638F-L9-D 0810612003 <2.1 -<1.1 <1.1 <1.1 <2.1 <2.1 <4.0 <2.1 <2.1 <1J <3.1 <2.1 <2.1 <2.1 <2.1 <8.1 <4.0 3638F-LIO-S 08/062003 <2.0 <2.0 <.0 <.0 1.4• 0.28• <3.9 <.0 <.0 18 <.0 <.0 2.3 <2.0 <2.0 <8.0 <3.9 3638F-LII-S 08/062003 <.1 <.1 <.1 <.1 0.42 <2.1 <4.2 <.1 <2.1 4.9 <.1 <.l 1.7• 0.62* <2.1 <8.5 <4.2 3638F-L12-S 08/062003 <.1 12.1 <.1 <.1 <2.1 <.1 <4.0 0.68• <.1 2.7 <2.1 <2.1 2l <.1 <.l <8.1 <4.0 3638F-L13-S 08/062003 0.75• <.1 <2.1 <.1 1.3' 11 <4.0 <.1 2.1 20 6.1 <2.1 6.1 3.8 2.2 0.92' <4.0 3638F-1-14-5 08/06/2003 <1.9 0.61' <1.9 <1.9 <1.9 <1.9 <3.7 <1.9 <1.9 3.2 <1.9 <L9 1.6• - 1.3• <1.9 <7.6 <3.7 3638E-LIS-S 08/062003 <2.0 <.0 <2.0 <.0 I.I. <.0 <3.9 <2.0 1.5• 6.7 17 <2.0 5.3 <2.0 <2.0 <7.8 <3.9 3638E-L16-S 06/06/2003 <2.0 <2.0 <2.p <2.0 1.2• <2.0 <3.8 <2.0 0.97' 6.5 19 <2.0 4.6 <.0 <.0 <7.7 <3.8 µglkg:milligrams per kilogram,parts per billion PRG:USEPA Region 9 Residential Preliminary Remediation Goal <:not detected at the reporting limit shown - •:Detected concentrations are below laboratory reporting limits and are estimated(j"flagged). tk:PRG for BHC technical ♦:PRG for chlordane f:PRG for endosulfan NE:Not established Notes:Italicized items are subsurface samples and their analytical results. 0 0AW Z qr77 C) AW, 0 �1