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' Draft: Apri15, 1999 Page C-8 <br />' Field Blanks <br />Field blanks check for contamination of samples due to factors at the well site. For a field <br />t blank, a metals sample bottle (with preservative), a general inorganic sample bottle, and a <br />nitrate/nitrite sample bottle aze taken empty to the field and filled at the well site with deionized or <br />' distilled water at the time the well is sampled. Filtering of the field blank for metals analysis is not <br />necessazy. The samples will be assigned a QA/QC identification number, stored in an iced cooler, <br />' and shipped to the laboratory with the other samples. <br />' C.4. SAMPLE HANDLING, DOCUMENTATION, AND ANALYSIS <br />C.4.1 Sample Labeling <br />' Sample labels will be affixed to sample bottles prior to sample collection. The date, time, <br />sampler's initials, and the sample identification number should be completed at the time of sample <br />' collection. All sample labels shall be filled out using waterproof ink. At a minimum, each label <br />shall contain the following information: <br />' Company name <br />- Sample description (well location) <br />' Date and time of sample collection <br />- Analyses required <br />' - Preservative <br />- Sampler's initials <br />' C.4.2 Sample Handling <br />' This section discusses proper sample containers, preservatives, and handling and shipping <br />procedures. Chain-of-custody protocol aze detailed. <br />' C.4.2.1 Sample Containers <br />Certified, commercially clean sample containers shall be obtained from the analytical lab. <br />The bottles shall be labeled by the lab to indicate the type of sample to be collected. Required <br />preservatives aze typically prepazed and placed in the bottles at the laboratory prior to shipment to <br />' the site. <br />1 <br />' Agapito Associates, Inc. <br />