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Appendix A <br /> Groundwater Sampling Procedures And Logs <br /> sample per day will be collected following decontamination of the Kabis 51 sampler Laboratory <br /> quality assurance/quality control (QA/QC) methods are incorporated in the sample analysis <br /> program <br /> Analyses of field blank water samples provide a check against contamination at the time of <br /> collection, during transportation, and within the laboratory The samples are collected by filling the <br /> sample bottles with deionized water Field blank water samples are submitted for each requested <br /> analysis <br /> One field duplicate sample was collected for this site samples Duplicate samples provide a check <br /> of consistency of laboratory analytical results The field duplicate samples are collected from a <br /> selected well along with the original sample and labeled in a manner that makes the source of the <br /> sample unknown to the laboratory Trip blank samples were not collected since a mobile laboratory <br /> was used <br /> Laboratory QA/QC samples were analyzed to identify the precision and accuracy of the laboratory <br /> measurements Laboratory QA/QC samples consist of method blanks and matrix spike/matnx spike <br /> duplicates (MS/MSD) that are run daily as part of the laboratory's QA/QC plan The purpose of the <br />�> method blank samples is to evaluate the potential for introduction (during laboratory sample <br /> handling) of an analyte into a sample extract, which is not present at detectable levels in the sample <br /> matrix The purpose of the MS/MSD samples is to evaluate the effects of the sample matrix on the <br /> measurement methodology <br /> A.3 SAMPLING PACKAGING AND SHIPPING <br /> Environmental samples were transported to the stationary (Curtis and Tompkins) analytical <br /> Iaboratory the following day after sample collection Samples were packaged and shipped <br /> according to EPA and Department of Transportation (DOT) regulations <br /> A completed chain-of-custody form for each cooler was prepared and placed in a resealable <br /> plastic bag and taped to the inside of the cooler lid Coolers will be wrapped with strapping tape <br /> at two locations to secure lids Numbered and signed custody seals will be placed on the outside <br /> of each cooler <br /> A.4 SAMPLE DOCUMENTATION AND TRACKING <br /> A.4.1 Field Notes <br /> Documentation of observations and data acquired in the field will provide information on the <br /> acquisition of samples and also provide a permanent record of field activities The observations <br /> S LPROJW1o40100044SHOP1a►SHOP1oSADOC A-2 URS Gruner Woodward Clyde <br />