Laserfiche WebLink
;.-p <br /> EAEA ENGINEERING, <br /> SCIENCE, AND !j <br /> TECHNOLOGY, INC. <br /> San Joaquin Local Health District 2Q November 19$7 <br /> Page 2' <br /> monitoring well cover that canlbe opened only with a special <br /> wrench, to protect the well from"' unauthorized entry. Each well <br /> will be equipped with a well tagicontaining pertinent informa- <br /> tion. After completion, each-i.well: will be developed using either <br /> a submersible stainless steeli,pump or a PVC bailer (depending on <br /> yield) until the water is freE;; af sand. <br /> Before sa6pling, each well wihl be�;purged, with a precleaned <br /> bailer, by removing 4 or 5 casing volumes of water. . Ground water <br /> samples will be collected wit]'Opiecleaned Teflon 'lbailers . - <br /> Samples will be analyzed for TPH[and VOA using tAe modified EPA <br /> 624 Methodology. All water samples will be collected in <br /> appropriate containers with Teflon-limed caps, which contain <br /> hydrochloric and sulfuric acid`:) preservatives. i. All soil and <br /> water samples will be placed do ice and shipped under chain of <br /> custody to a State-certified 1'aboratory'. r <br /> i. <br /> Soil borings will be logged by:4alisupervising geologist and <br /> described' according to the Uniified Soil Classification Systema <br /> In addition to the above described field activities,' sufficient <br /> information on regional geology and hydrogeologyliwzll be <br /> collected; and on the basis of;;ljall .data available the problem <br /> assessment report will be developed according to ;the' Guidelines <br /> For Site Assessment, Cleanup, and Underground Storage Tank <br /> Closure of the State Water Resource Control Board, July 1982 . <br /> !:is <br /> u ' <br /> I <br /> L <br /> ii <br /> I is <br /> CHV7: 72P <br /> T j <br /> ! <br /> 211 <br />