Laserfiche WebLink
. �.,.. ,�,�� .��..._. :� �..: ,�. s _ Yom•-r�, <br /> Page 2 <br /> ,vis. Mary Meays <br /> duly 15,1991 <br /> 10 to 15 feet. The remainder of the boring,with traffieTbox boxes �the30 feet,was filled ground surface with <br /> sand. Both wells were secured <br /> Standard ERM-West, Inc. Quality Assurance/Quality Control (QA/QC) <br /> procedures were followed throughout the construction process. All augers <br /> each well. The <br /> were decontaminated by steam cleaning prior to drilling <br /> split spoon sampler was decontaminated prior to each use by washing in an <br /> The bras <br /> Alconox solution followed by a clean water rinse• s tube liners for <br /> the sampler were similarly cleaned prior to use. The well casno and <br /> to use. <br /> screen were cleaned and decontaminated by steam cleaning <br /> gr drums and <br /> Soil cuttings from each boring were placed in labeled 55-gallon <br /> stored on site. <br /> W PVP <br /> Fallowing construction, the new wells were developed by hand-bailing <br /> ll <br /> approximately 15 to 18 gallons(or 12 to 13 wevolumes)and conduti vitt'ell. <br /> The bailing was continued until temperature, p <br /> stabilized, and the silt content of the discharge1a1a ling la seimi arrvolumr "E <br /> (Table 1). The pre-existing wells were purgedY <br /> water. <br /> ed during development and purging. Prin' <br /> QA/QC procedures were follow - <br /> to work at each we , theby bailer cleancwatewas r:rin a d anddecontaminated <br /> Ba lermcord was replaced <br /> Alconox solution followedd water and <br /> from the <br /> in between sampling at encs location. Bned in 55 gallon d rums aile <br /> pro s and stored <br /> decontamination <br /> on site. <br /> After development and purging procedures were completed, all wells were <br /> -cleaned Teflon bailer <br /> sampled. The wells <br /> mo able pe co k.Wateth a r was transferred f om re the bailer <br /> equipped with are (water and soil)provided to the <br /> into laboratory-supplied bottles. All sampleslock type plastic bags, <br /> laboratory were labeled and sealed individually 3n zip <br /> -lock <br /> placed on ice in a cooler. <br /> a�;l ,nd W�&S r An 1 <br /> kins, Ltd., a <br /> The soil and water samples were submitted to Curtis &Tomp located <br /> California Department fia°f he samples wereHealth Services $shipped unde)certified. rhai laboratory <br /> custody <br /> in Berkeley, test procedures: <br /> and analyzed according to the Following <br /> --. bons as Gasoline - EPA Method 8015- <br /> -----Total Petroleum HydrocarModified; <br /> r <br />