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:r <br /> AEGIS ENVIRON73ENTAL, INC:.. <br /> STANDARD OFEEAT33 8 PROG'FDMt.ES <br /> RE: SAMPLE IDENTIPICATION AND CHUN—OP-CUSTC2DY PROCEDMMS <br /> SOP-4 <br /> Sample identification and chain-of-custody procedures ensure sample <br /> integrity, and document sample possession from the time of <br /> collection to its ultimate disposal. Each sample container <br /> submitted for analysis is labeled to identify the job number, date, <br /> time of sample collection, a sample number uniqua to the sample, <br /> any in-field measurements made, sampling methodology, name(s) of <br /> )=' on--site personnel and any other pertinent field observations also <br /> recorded on the field excavation or boring log. <br /> E `s <br /> chain-of-custody forms are used to record possession of the sample <br /> from time of collection to its arrival at the laboratory. During <br /> k, shipment, the person with custody of the samples will relinquish <br /> 1 a them to the next person by signing the chain-of-i-custody form(s) and <br /> noting the date and time. The sample-control officer at the <br /> c:s laboratory will verity sample integrity, correct preservation, <br /> � <br /> confirm collection in the proper container(s) and ensure adequate volume for analysis. <br /> If these conditions are met, the samples will be assigned unique <br /> laboratory log numbers for identification throughout analysis and <br /> reporting. The log numbers will be recorded on the chain-of- <br /> custody forms and in the legally-required log book maintained in <br /> the laboratory. The sample description, date received, client's <br /> name and any other relevant information will also be recorded. <br /> F <br /> 3 <br /> i <br /> 5OP-4/CCt. 1990 <br />