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To sample each well, a pre-cleaned teflon bailer was attached to new braided nylon line and <br /> lowered into the well, filled, and brought to the surface The water in the bailer was carefully <br /> poured into laboratory prepared glass and plastic bottles which were capped with Teflon-lined <br /> caps Sample bottles were labeled with stick-on labels filled out in indelible ink, with the <br /> following information <br />' Site name <br /> Date collected <br /> Time collected <br /> Sample ID <br /> Sampler's initials <br /> Analysis required <br />' Any other pertinent information <br /> Quality control/quality assurance procedures consisted of the collection of a blind duplicate and <br /> an equipment decontamination nnsate sample The duplicate was collected concurrently with <br /> sample MW-3 and was given the fictitious well/sample name MW-10 The decontamination <br /> sample (labeled MW-11) was collected from a bailer which had been cleaned by the normal <br /> decontamination procedure after sampling MW-3 Deionized water was poured into the <br /> decontaminated bailer and then the water was poured from the bailer into the sample bottles <br /> This sample serves as a check on the decontamination procedures for the bailer, ensuring that <br /> it has been effectively cleaned <br /> The teflon bailer used to purge the wells and collect the water samples was thoroughly <br /> decontaminated prior to each use to prevent cross-contamination of samples Decontamination <br /> of the bailer consisted of a dual wash with an alconox/potable water solution followed by a <br /> potable water rinse, and a final rinse with deionized water The thin nylon line used to lower <br /> the bailer was removed and discarded after each use <br /> All purge water from the wells and decontamination rinsate was containerized onsite pending <br /> ' disposal through the Stockton Municipal Utilities Department <br /> Samples were sealed in a resealable plastic bag and placed with ice in an insulated chest for <br /> delivery with a Chain-of-Custody document to the WESTON Analytics' laboratory in Stockton, <br /> California The laboratory is certified by the State of California to perform the required <br /> analyses. The samples were scheduled for analysis of parameters as shown on Table A-4 <br /> 1 <br /> 1 <br /> ' ST,C5RpT51AREC3QTR WP <br /> A - 3 01"2M <br /> a <br />