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r The baiter used to sample each well was attached to new thin nylon line and lowered into <br /> surfa . The waterthe <br /> the well by hand. The bailer was filled and brought <br /> poured into laboratory pep milliliter glass bottle (VOAIvials) <br /> bailer was carefully <br /> and capped with teflon lined caps. Samples were labeled with stick-on labels filled out <br /> in indelible ink with the following information: <br /> Site name <br /> Date collected <br /> Time collected <br /> Sample I.D. <br /> Sampler's initials <br /> Analysis required <br /> ated chest <br /> Samples were sealed into zlplock baggdocumeri ntoplaced <br /> WESTON in <br /> laboratoryfin <br /> delivery with a chain-of custody do <br /> Stockton, California. This laboratory is certified by the State of California to perform the <br /> required analyses. y Samplesne nd xylenetted for analysis by EPA Method 602 for <br /> (BTEX)and by EPA Method 8015(Modified) <br /> benzene,toluene, ethy <br /> for Total Petroleum Hydroca•bons as Gasoline (TPH-G). <br /> on of <br /> cate and <br /> Quality control/quality assurance <br /> saroclesure A duplicate onsisted f watethe r sample was Iscolected <br /> post decontamination r p given the fictitious <br /> concurrently with sample MW-1. This duplicate sample was g' <br /> sed and the bailer <br /> well/sample name MW bailer decontaminated for the last stime. The bailer <br /> after was also collected from the bailer <br /> l <br /> samples had been collobailer into the <br /> was filled with distilled water <br /> and idirectly <br /> he equipment decontamination samplewas designated with the fictitious <br /> sample bottles. T <br /> well/sample name MW-9. Each of the samples were placed into the insulated cooler a <br /> the time of collection. All samples were submitted to the laboratory at the same time. <br /> The sampling device (bailer) was thoroughly decontaminated prior to and after each use <br /> to prevent cross contamination of samples. The thin nylon line used to lower the bailer <br /> was removed and discardedanalcnox/potable watery solution follfter each use. tion owedfthe by a thoroughsisted of <br /> potable <br /> an initisl wash with an alto p that was used to <br /> water rinse followed by a final rinse with distil�ed water. The pump each well <br /> purge the wells was thoel containing nine!eansed prior to use and an alco oxlpotable waterbetween uses mMure,washintg the outside. <br /> inserting it into a Barret co 9 <i um and attached hoses <br /> and running the pump sufficiently to insure the inside o. the P <br /> received a good wash. <br /> All water purged fraallthe wells and on drums, labeled water <br /> and !eft at the site. <br /> decontaminate equipment was <br /> containerized in 55 g <br /> A - 8 <br />