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• If more than one shipping container is required, the containers shall be numbered (i.e., 1 <br /> of 5, 2 of 5, etc.). <br /> • Affix appropriate shipping label to shipping container(s) and cover label with clear, <br /> waterproof shipping tape. <br /> • The sampler shall transport shipping container(s) to shipper. <br /> • The sampler shall retain original copy of all shipping manifests. <br /> • As an alternative to overnight sample shipment, a laboratory-dedicated courier may be <br /> utilized to transport the samples from the Site to the Laboratory, under COC as <br /> described in Section 4.0 below. <br /> 4.0 DOCUMENTATION <br /> 4.1 Chain-of-Custody Record <br /> The purpose of a Chain-of-Custody Record (COC) is to create an accurate written record which <br /> can be used to trace the possession and handling of a sample from the moment of its collection <br /> through analysis. In addition, other information, such as holding times from the field to the <br /> laboratory, can be verified. <br /> A COC shall be initiated and completed using the approved California Certified Laboratory's <br /> COC during sample collection. Possession of every sample shall be recorded from the time of <br /> collection until the analytical results are fully documented by the laboratory. The following steps <br /> shall be followed in completing the COC: <br /> • Use a blue or black ball point pen and press firmly (the form has three pages). <br /> • Generally, the following should be recorded by the Site Coordinator in the spaces <br /> designated on the COC: <br /> o Project name and number <br /> o Site name and address <br /> o Sampler's name (signature and print), organization, and address <br /> o Identification/field sample number (distinguish the number zero from the letter `O' <br /> by drawing a slash through the number zero) <br /> o Date and time of collection <br /> o Sample type (used oil) <br /> o Number of sample containers <br /> o Laboratory Parameters (use a separate column for each analysis and check, <br /> using an `X', samples corresponding to the specific parameter to be analyzed) <br /> o Turn-around-time (TAT) (i.e., 24-hour, 5-working days, etc.) <br /> • Identify and mark how many pages are including in the COC. <br /> • In the event that a shipment includes more than one cooler, the cooler number shall be <br /> included on the COC. <br /> Used Oil Sampling and Analysis Plan 5 July 29, 2014 <br /> BNSF Railway Multiple Locations <br /> TRC Project No. 211983 <br />