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d #' <br /> f <br /> AEGIS ENVIRONMENTAL, INC. <br /> STANDARD OPERATING PROCEDURES <br /> RE: SAMPLE IDENTIFICATION AND CHAIN-OF <br /> PROCEDURES <br /> SOP-4 <br /> Sample identification and chain-of-custody procedures ensure sample integrity, and <br /> document sample possession from the time of collection to its ultimate disposal. Each <br /> sample container submitted for analysis Is labeled to identify the job number, date, time <br /> of sample coilecon, a sample number unique to the sample, any in <br /> measurements <br /> ti <br /> made, sampling methodology, name(s)of on site or burl and any other pertinent field <br /> observations also recorded on the field excavation9 log. <br /> Chain-of-custody forms are used to record possession of the sample from time of <br /> collection to its arrival at the laboratory. During shipment,the person of-c custody r the <br /> samples will relinquish them to the next person by signing the chain-of-custody forms} <br /> and noting the date and time. The sample-control officer at the laboratory will verify <br /> sample integrity, correct preservation, confirm collection in the proper container(s) and <br /> ensure adequate volume for analysis. <br /> If these conditions are met,the samples will be assigned unique laboratory log numbers <br /> for identification throughout analysis and reporting. The log numbers wit!be recorded on <br /> the chain-of-custody forms and in the legally-required log book maintained in the <br /> cription, date received, client's name and any other relevant <br /> laboratory. The sample des <br /> information will also be recorded. <br /> r <br /> . AWEHOtXrap4Nune 1990 _ <br />