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TJ MR, DAVE CASTLE October 26, 1989 WESTERN GEO-ENGINEERS <br /> PCI ENVIRONMENTAL ENGINEERING 1386 E. Beamer Street <br /> 2076 Alcoma Street Woodland, CA 95695 <br /> Sacramento, CA 95$15 Sec 42; V_N; t.; MUM (916) 662-4541 <br /> (916) 972-8155 FAX 972-5529 (Fto7ected 36; V-N; W-,F: t ? > I <br /> SUBJECT: SO4L SAMPLING AT SAHARGUN PLUMBING <br /> 2216 Stewart Street <br /> Stockton, CA <br /> SAMPLING DATE - 14!6189 , rl i.iGil <br /> STEWART STREET ENVIRONMENTAL HEALTH <br /> P 'gVII/SERMCES <br /> N Agency Representatives on Site: Charles nvironmantal <br /> speclaiist with San Joaquin County and Ron Hirshner, Fire Inspector <br /> with the City at Stockton. <br /> i Q NOTES: <br /> i <br /> 5000-w i 1 - 5.000 patron gasdiine under prouno Storage tank was exhumed. <br /> No petroleum Oder from the tank axeavatian. Tank appeared to be in + <br /> 0 modfrat•-good condition (some rust. no visible holes). 11 <br /> S ----- BUILDING Backfill from excavation - predominately SAND: medium brown, wail <br /> A 60011-E graded. poorly sorted, with common black to very dark grey slightly <br /> N 9TYdratsd, btacky, firm, silty clay. No odor. no staining and 0 ppm <br /> G P10 readings on &II backfill material. <br /> U <br /> i Excavation Two soil samples were collected from tnf excavation using a <br /> N BUILDING� backhoe. Samples were taken from 2 to 4 feet into native sot' <br /> E beneath each end of the tank. Samples 1OK-N, ICK-S. and 1K-S <br /> T COnslste0 of SILTSTONE. medium brown, firm-SII fitly hard, friable. <br /> T blocky, with common clay, no petroleum odor and HNU Pip readings <br /> I of op�m. Sample 1K-N consisted of the same SILTSTONE: <br /> discolored to a Iipht-mo <br /> glum prey with a moderate to strong Door f <br /> L and a Issuing D 190ppm on the HNU PID. Samples were <br /> A MAP NOT TO SCALE Immed+atfly labiad, placed On dry ice, and Chain at Custody hand <br /> N i delivered to Eureka Laboratory in Sacramento, CA. I <br /> E SOIL SAMPLE LOCATION -- <br /> 4� PRODUCT UNE & DISPENSER; <br /> i <br /> EUREKA LABORATORY INC.. RESULTS <br /> l <br /> SAMPLE SAMPLE ID TPH BENZENE! TOLUENE:E. BENZENEXYLENE TEL ! EDS <br /> TYPE (PPM) (PPB) (PPB) (PPB) I (PPB) (PPM) (PPB) <br /> Soil 5000-E <0.2 <1 <1 41 <1 <0.5 <1 <br /> Soil 5000-W <0.2 <1 <1 <1 <1 <0.5 <1 <br /> Please note that results must be reported to. <br /> TPH - TOTAL PETROLEUM HYDROCARBONS <br /> PPM - PARTS PER MILLION Public Health Services <br /> E BENZENE - ETHYL BENZENE San Joaquin County <br /> 1601 East Hazelton Avenue <br /> Stockton, Calltornla 96201 <br /> Attn: Ms. Latitia Resch <br /> SUBMITTED BY: Jack Napper Dave Marks <br /> Registered Geologist "3037 Geologist <br />