Laserfiche WebLink
lapse and unconsolidated. <br /> loose <br /> and of sand There were occassional <br /> small minerals and Y clay, and the sands contained abundant heavy <br /> mica. No distinct bedding was observed heavy <br /> typical of alluvial flood plain deposits. r which is <br /> Of discoloration or contamination There was n <br /> odor eras defatted during ' -the. , and no free o evidence <br /> slightly product, color, or <br /> to air. damp during excavation, operation. The sail was <br /> An irregular quickly dried upon sure <br /> encountered near pular lapse of grayish-white arkasicnxpasure <br /> abundant the bottom of the excavation and was <br /> immediately mica. It had no ' which contained <br /> y after removal. odor, and dried <br /> Excavation continued <br /> registered under the direction <br /> Joaquin Co. geologist and Gregory Lyons, of Wm. HunterEnvir , <br /> P and widened <br /> Health Y , EliS, from the San <br /> deepened Division. <br /> deep (Plate approximatel The holo was <br /> X;) a testa) of about 1022 oblong X 12' wide X 13' <br /> removed, and stared on plastic as (102 c Wards of <br /> was encountered ed an Plate sail was <br /> Under the ' and no odor or discoloration was V. No water <br /> E the sidewallsreCtian of Mr. Lyons, sail samples observed. <br /> addition and bottom of the hale P were taken from <br /> : 3 composite samples were o� as shown on Plate X. In <br /> one from the previous excavation ken from the removed <br /> P All samples were + and two from t soils <br /> transported Properly sealed he current work. <br /> to Cananie r labeled and stored on ice, and <br /> custody, (refer to Environmental under Proper chain <br /> of <br /> covered with Exhibit I}) The removed sail was stared an and <br /> Plastic as shown on Plate V. <br /> Laboratory analyses were performed an <br /> that levels of tested substances in samples Q �` <br /> were below detection 3imits• 10 and showed <br /> p from the excavation <br /> samples from the stared , (refer to Table <br /> I other tested substances were below;detection limits;Il.} The three <br /> cated low levels of Toluene; <br /> ' m:ts; (Table I.II.) <br /> SUMMARY: <br /> 1• Laboratory analysis <br /> detectable amounts of X from the tank-pull samples <br /> (Table I.} Ylene and Total Volatile measured <br /> Hydrocarbons; <br /> 2• Laboratory analysis <br /> showed that all of samples . taken after <br /> (Table II.) <br /> measured substances were below detection limits; <br /> 3• Laboratory analysis of the <br /> was present in removed spoil showed that Toluene <br /> noted. very minor amounts- <br /> (Table I1I)---- --- - --' nn---other-substances--­ <br /> CONCLUSION: <br /> sei <br /> --- bstances- - <br /> CONCLUSION: e <br /> J Pag.ed upon <br /> the resultssuApQrfed b : ax the <br /> geological <br /> ain <br /> Yestigaiyonand <br /> contamination has been <br /> 3 <br /> - <br />