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Third Quarter 1992 Monitoring Report <br /> Knowles Property, Stockton, CA <br /> October 12, 1992 <br /> W0327 <br /> Laboratory Results <br /> Laboratory analysis of the sample collected from well MW-2 indicated elevated levels of toluene <br /> (2 5 ppb), xylenes (0 9 ppb), and TPHG (1,000 ppb) All other analytes were not detected at <br /> or above method detection limits (nondetectable) The sample collected from well MW-4 was <br /> reported to contain benzene (1 3 ppb) and TPHG (100 ppb), all other analytes were <br /> nondetectable The sample collected from well MW-5 was reported to contain benzene (1,300 <br /> ppb), toluene (650 ppb), ethylbenzene (340 ppb), xylenes (1,600 ppb) and TPHG (43,000 ppb) <br /> The samples collected from wells MW-6, MW-7, and MW-8 did not contain any analytes at or <br /> above method detection limits The laboratory results are summarized in Table 2 The <br /> Iaboratory data sheets, chain of custody documentation, and laboratory QA/QC are included in <br /> Attachment 2 <br /> RESNA will continue with the quarterly sampling program, the next round of sampling is <br /> scheduled for mid-December 1992 If you have any questions or comments regarding this <br /> report, please contact Bill Channell at (209) 838-3507 <br /> Respectfully, <br /> . RESNA Industries <br /> Sharon A Young <br /> Microbiologist <br /> Bill Channell <br /> Senior Geologist <br /> r <br /> Gregory P Stahl <br /> CA Registered Geologist No 5023 <br /> Attachments <br /> PC Mr Ted Knowles <br /> Mr Ted Job <br /> QRTERLY\QR092892 FNL 2 <br />