SITE INFORMATION AND CORRESPONDENCE

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#' 3. Clean equipment thoroughly prior• to leaving the site. ti ' 11 .0 SAMPLE SHIPPING Samples collected should be classified as either environmental 'or f` hazardous material (or waste) samples. In general , environmental samples are collected offsite from streams, ponds, or wells and are , not expected to be grossly contaminated with high levels of hazar- dous materials. Onsite samples (i .e. , sail , water , and materials from drums or bull: storage tanks, obviously contaminated ponds, lagoons, pools, or leachates from haTardous waste sites) are consi- dered hazardous material samples. A distinction must be made be- tween the two types of samples in order to: x, 1 . Determine appropriate procedures for transportation of samples. If there is any doubt , a sample should be con- sidered hazardous and shipped accordingly. ' 2. Protect the health and safety of laboratory personnel re- ceiving the samples. Special precautions are used at laboratories when samples other than environmental samples ' are received. The sample tag should be legibly written and completed with an in- delible pencil or waterproof ink. The information should also be i, recorded in a log book. As a minimum, it should include: 1 . Exact location of sample; i' 2. Time and date sample was collected; 3. Name of sampler and witnesses (if necessary) ; 4. Project codes, sample station number, and identifying code (if necessary) ; ' 5. Type of sample (if known) ; ' 6. Tag number (if sequential tag system is used) ; ,i 7. Laboratory number (if applicable) ; and B. Any other pertinent information. a 11. 1 ENVIRONMENTAL SAMPLES Environmental samples must be packaged and shipped according to the following procedure: 1 . Place sample container , properly identified and with a sealed lid , in a polyethylene bag , and seal bag. 2. Place sample in a fiberboard container or metal picnic cooler which has been lined with a large polyethylene bag. ' - 20 -