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• • CAMBRIA ate r used for sampling each well. If a PVC bailer or down-hole pump is used for groundw purging, it shall be decontaminated before purging each well by using soapy water consisting of by one rinse Of clean tap water of Liqui-nOXTMdistilled or water. A If ao submerlsibled pump with non-ded ated discharged tubing is usethen two d for groundwater purging, both the inside and outside of pump and discharge tubing shall be decontaminated as described above. --- Sample Warrdling in the Except r sample stored in e testedchilled field, C for r that r shipment to equire special alyticaldling or rlaborat laboratory. samples COC to the laboratory. The Samples shall be labeled, placed coolers protective foam sleeves or bubble wrap as needed, store on crushed ice at or below 4°C, and submitted under t schedule and ( les shall be laboratory shall be notified of the sample shipment schedule and arrival time.analysis bperformed shipped to the laboratory within a time frame to allow for extraction and anay to e within the standard sample holding times. Sample labels shall be filled out using indelible ink and must contain the site name; field identification number; the date, time, and location of sample collection; notation of the type of sample; identification of preservatives used; remarks; and the signature of the sampler. Field low easy cross-reference with the field datasheet. identification must be sufficient to at All samples submitted to the laboratory shall be accompanied by a COC record to ensure adequate documentation. A copy of the COC shall be retained in the Project file. Information pnumbers; the the COC shall consist of the project name and number; project location; sample sampler/recorder's signature; date and time of collection of each sample; sample type; analyses anaY requested;name of person receiving the sample; and date of receipt of sample. Laboratory-supplied trip blanks shall accompany the samples and be analyzed to check for cross- contamination,if requested by the project manager. Waste Handling and Disposal OT H17 55-gallon Groundwater extracted during sampling shall be stored onsite t sealed generator tor)identification, and drums and shall be labeled with the contents, date of generation, g undwater may be disposed offsite by a licensed waste handler or consultant contact. Extracted gro may be treated and discharged via an operating onsite groundwater extraction/treatment system. HA-MGT IR Group Info\SOPs\Groundwater Monitoring and Sampling SOP 07-2005.dw Page 2 of 2