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1 <br />Sample preservation and pre-treatment will be performed using <br />preservatives as defined in Table 5. <br />1 <br />Sample containers will be wiped clean prior to shipment or cold <br />' storage. <br />' 2.1.6 On-Site Storage: when circumstances do not permit analyses of <br />samples on the same day as collection, samples will be maintained <br />at 0° to 4°C. <br />' 2.1.7 Package Samples for Storage at Laboratory and Prepare Shinning Doquments: The <br />sample containers will be packed in the shipping coolers. The <br />' sample chain of custody will be placed in a plastic ?bag in the <br />cooler with the samples. Sufficient ice will be added to each <br />' cooler to maintain a temperature at, or below, 4°C for a period of <br />8 hours. Coolers containing samples ready for shipment will be <br />sealed with a security tape. <br />1 <br /> 2.1.8 Review of Paperwork and Sample Integrity: Prior to closure of the <br />' shipping cooler, sample containers will be given a final inspection <br /> that they are tightly sealed, bottle s are not broken, and are <br /> packaged properly for shipment. Chain of custody records will be <br /> examined as to whether custody has been maintained and is accounted <br />' for and that the field sampling personnel has adhered to <br />filtration, preservation and storage protocols. A final review of <br />shipping documents will be performed to check whether they have <br />been filled out properly. <br />2.1.9 Final Quality Control Check: A final QC check will be carried out <br />' before samples are delivered for analysis. A review will be <br />conducted by the field sampling personnel relative to whether the <br />samples are within the quality control limits. If a situation <br />arises, during this review, where a sample, or paper work, falls <br />~8- <br /> <br />