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Section No 6 • <br /> Revision No 1 <br /> Date: January 13, 1992 <br /> Page 36 of 55 <br /> ■ Seal cooler with strapping tape Several 12-inch strips are enough <br /> to do the job Place two custody seals- on each cooler,_.. - <br /> e Coolers must be labeled correctly "Fragile" and "This-end-up" <br /> labels go on all four sides of each cooler These labels must be <br /> completely uncovered and clearly 100% visible, <br /> ■ Ship samples. Be sure to keep coolers and airbills organized so <br /> that shipping destinations are correct, <br /> ■ Telephone the analytical laboratory immediately or at the beginning <br /> of the next working day with the airbill numbers, method of <br /> shipment, and the date the samples are shipped <br /> 6 7 Piezometer and Monitoring Well Construction <br /> 6 7 1 General Design Considerations <br /> General design considerations including well location, approximate <br /> depths, well materials, installation methods, will be specified in the Work <br /> _Plan-for.-each-given=task—Several=considerations-dictate-the-construction-- <br /> methods and materials used for the construction of monitoring wells and <br /> piezometers These considerations include <br /> ■ project objectives, <br /> ■ depth of installation, <br /> ■ characteristics of the water-bearing unit, <br /> ■ the presence of chemicals in the subsurface, <br /> ■ the secondary use of the monitoring well and piezometer <br /> 6 7 2 Casing Size, Material, and Installation <br /> Specific well construction details including well casing diameters, <br /> selected casing materials , installation methods and other pertinent well <br /> construction information will be specified in the Work Plan for each given <br /> task Selections of well casing diameters, casing string lengths, casing . <br /> wall thickness, and selection of casing materials will depend on <br /> 6-36 <br />