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FIELD PROCEDURES <br /> FOR <br /> CHAIN OF CUSTODY DOCUMENTATION <br /> Samples were handled in accordance with the California Department of Health Services' <br /> guidelines. Each sample was labeled in the field and immediately stored in an iced cooler for <br /> transport to a state-certified laboratory for analysis. <br /> A chain of custody record accompanied the samples and included the site and sample <br /> identification, date of collection, analysis requested, and the name and signature of the <br /> sampling technician. When transferring possession of the samples,the transferee signed and <br /> dated the chain of custody record. <br />