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11 <br />4.4. Chain -of -Custody <br />n <br />A chain -of -custody record will accompany all sample shipments. Shipped samples will have a <br />custody seal placed across the lid of each sample container. All custody seals will be signed <br />and dated. <br />4.5. Packaging and Shipment <br />All sample containers will be placed in a strong -outside shipping container and will have the <br />drain plug sealed, if applicable, to prevent melted ice from leaking out of the cooler. If ice is <br />used to cool the samples, the ice will be packed in a double zip -lock bag. Special care will be <br />provided to secure and prevent damage to the sample containers. 4 <br />Once the analytical results are received and evaluated, CIWMB will prepare a sampling report <br />describing the nature of the waste and discuss the analytical results. The CIWMB anticipates <br />submitting the sampling report to the LEA within 30 days after receipt of the analytical results. <br />CIWMB 21 <br />