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,.sem.-a _ _ �s_az-,^r.?F c_ _�}: <br /> �E t77N""N g, <br /> small <br /> enses <br /> re were <br /> ccas <br /> loose and uncoandy lay, andthesandsacontainedlabundantlheavy Y <br /> consisting <br /> of sandy clay, was observed, which is <br /> deposits. There was no evidence <br /> minerals and mica• No distinct bedding color, or <br /> typical of alluvial flood plain and no free product, <br /> of disccloratian or contamination, eration. The Soil was very <br /> was detected during the ap quickly dried upon exposure l <br /> slit excavation, but q <br /> slightly damp during arkosic sand was <br /> to air. An irregular lense of <br /> grayish-white which contained <br /> encountered nearhad no <br /> the bottom of the excavation, - and dried <br /> abundant gold-colored mica• <br /> immediately after removal. Wm J-unter, <br /> Of <br /> Excavation continued under the directioEHS, from the Han <br /> registered geologist, and Gregory Lyons, <br /> Environmental Health Division. The hole was <br /> Joaquin Co. <br /> roximately 22' lana X 12' wide X 13' <br /> deepened and widened to app h yards of soil was <br /> deep (Plate X; ) a total of aboutindicatedconPlate V. No water <br /> removed, and stared on plastic as observed. <br /> was encountered, and no odor or sail <br /> was taken from <br /> Under the direction of Mr. Lyons, les were <br /> the sidewalls and bottom of <br /> werehtakenole sfromwnthenremoved soilPlate X. ; <br /> addition, 3 composite samplesand two from the current work. <br /> sealed, labeled and stored on ice, and <br /> one from the previous excavation, chain of <br /> All samples were properly under proper <br /> transported to Canonie Environmental <br /> ThePlateaVed sail was stared on and <br /> custody, (refer to Exhibit D) The <br /> covered with plastic <br /> on <br /> re performed an August 9 & 10, and showed <br /> Laboratory analyses we <br /> that level of tested substances in Samples from the excavation <br /> were below detection limits; (refer to Table iThe three <br /> low <br /> samples from the stared sail indicated levelss (Table III-)Toluene) <br /> other tested substances were below detection limits; <br /> SUMMARY: <br /> analysis from the tank-pull samples measured <br /> 1, Laboratory X line and Total Volatile Hydrocarbons; <br /> detectable amounts of Y <br /> (Table I. ) <br /> 2. Laboratory <br /> analyre-excavation <br /> sis of samples taken after <br /> red substances were below detection limits; <br /> showed that all measu <br /> (Table II.) <br /> analysis of the removed spoil showed that Toluene <br /> 3, Laboratory _ no other substances <br /> wre <br /> was present in very minor amounts; <br /> noted. (Table III) <br /> CONCLUSION: and <br /> - -the--geological investipatian, <br /> the resists o -_- has - - -- <br /> Rased upon <br /> analyses, all corstaminatfon <br /> supported by the laboratory <br /> 3 <br />