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cCurtis &Tompkins. Ltd. <br /> LABORATORY NUMBER : 104953 - 2 DATE RECEIVED : 08 / 23 / 91 <br /> CLIENT : TREADWELL & ROLLO DATE EXTRACTED : 08 / 30 / 91 <br /> PROJECT ID: 1107A DATE ANALYZED: 09 / 07 / 91 <br /> LOCATION: MIANTECA DATE REPORTED: 09 / 09 / 91 <br /> SAMPLE ID : W- 2 $ookcc: MW- ? <br /> EPA 8080 : Organochlorine Pesticides and PCBs in Water <br /> Extraction Method : EPA 3510 <br /> RESULT REPORTING <br /> LIMIT <br /> COMPOUND u g /L u g /L <br /> alpha -BHC ND 0 . 03 <br /> beta -BHC ND 0 . 03 <br /> gamma -BHC ND 0 . 03 <br /> delta -BHC ND 0 . 03 <br /> Heptachlor ND 0 . 03 <br /> Aldrin ND 0 . 03 <br /> Heptachlor Epoxide ND 0 . 03 <br /> Endosulfan I ND 0 . 03 <br /> Dieldrin ND 0 . 03 <br /> 4 , 4 ' -DDE ND 0 . 03 <br /> Endrin ND 0 . 03 <br /> Endosulfan II ND 0 . 03 <br /> Endosulfan Sulfate ND 0 . 03 <br /> 4 , 4 ' -DDD ND 0 . 03 <br /> Endrin Aldehyde ND 0 . 03 <br /> 4 , 4 ' -DDT ND 0 . 03 <br /> Chlordane ND 0 . 30 <br /> Methoxychlor ND 0 . 60 <br /> Toxaphene ND 0 . 06 <br /> PCBs : <br /> Aroclor 1016 ND 0 . 12 <br /> Aroclor 1221 ND 0 . 12 <br /> Aroclor 1232 ND 0 . 12 <br /> Aroclor 1242 ND 0 . 12 <br /> Aroclor 1248 ND 0 . 12 <br /> Aroclor 1254 ND 0 . 12 <br /> Aroclor 1260 ND 0 . 12 <br /> ND = Not detected at or above reporting limit . <br /> QA/QC SUMMARY <br /> RECOVERY, % 85 <br />