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F9F 1 CC S �4 1 j 1 I'=>soCiateS in August, 1992. Defer to Exhibit 0 for a COPY of t Ihat workplan. & 7EgTINGs U?TAILS OF GROUNDWATER hiQiV1T�1Ft1lVG WELL PLACEMENT ui ment & Stewart Brlg Co. eq P 1992, Osterberg auger rig as ❑n November 12, and spotted the The arrived on location at 6.•y0 AM, geologist in charge.Ste44art, Hunter, (WJH, driller, and John directed by Wm- b Gordon Stewart, 5' long riq was operated y ui ed with 10 1/4110D X 61/4"1D, helper- The rig was eq pP prior to arriving an the 53. flights, which were steam-cleaned P a thin layer of at 9e00 AM - after Penetrating of dark s from Surface to iD' consisted ' operations began a Clean, California asphalt, drill cutting loam. At 10', damp sandy re aced; 3-2" X b" clean brass brown, slightly was p P modified split-spoon Sampler lied by WjH, were placed in the Which were supe The barrel sample tubes, assembly was lowered into the h5-4-5 ) and when barrel , and the (blow counts of j-5-4-SAMPLE #10 was driven from 10, to 11'6 loam contained 18" ❑{ tan moist sandy rompty 5ealee' with recovered, _ -;wo brass tubes were p 10'. sealed with duct tape, labeled, identified as MW end Caps, teflon tape & plastic transport to the laboratory for and placed on ice p analysis. soil sample •- rc: to where another -; 7-10. 3 Sample depth was 15' to The auger flights were advaC d coarse (blow counts { �,_.'_ slightly damp was obtained; tiiLa:�., loose, No odor was 16'61 with full recovery of _ 16' - sand - SAMPLE 0 , identified sealedMandSpreserved as detailed detected. Two tubes were above. drill spoils consisted 6 '; The auger flight$ were advanced to 19,clean care barrel 11-13,) coarse, loose, m ,i.st sand. A Of very (blow taunts of � containing 3 tubes was driven to 21, (blow coarse clayey sand & the bottom few inches consisted of tan to and when retrieved contained damp, & #4, (identified as gravel, grading to wet; - SAMPLE # Slightly sticky damp Clay contamination - buff, �1,- ) Yhere was no odor or evidence o{ MW-20' & MW-2 were proper sealed and preserved as noted. The sail samples detailed above. s consisted of tan to Auguring continued to ?.5'; drill cutting with occasional sand ht brawn Clay, slightly sticky 8e plastic, lig abundant pyrite- There was no odor othishpaint andca grains and auger lug was pulled at brass tubes was inserted (bLawec ants ofe of contamination.r1l containing The aug P __-- -- ----._- ---.__-. clean cot-a bar- __ The assembly was driven to _. string- drill -- -- ---------- 4 A