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the water at or near the surface of the water table, unless <br /> otherwise indicated. Water will be placed within the prescribed <br /> container for the tests required. The containers will be filled <br /> so that zero headspace is present in the sealed vial one drop of <br /> concentrated HCL will be added, then they will be placed in a <br /> cooler containing ice until delivered to the lab. Samples must <br /> be analyzed within 14 days of sampling. Trip blanks will <br /> accompany all sample containers. A Chain of Custody will be <br /> filled out by the sampler, detection limits must be supplied by <br /> the laboratory. <br /> Well or Boring Abandonments: <br /> All wells and borings will be destroyed once no longer needed. <br /> The following steps will be followed: <br /> 1 . Check the well to se hole s is <br /> 1 e if the e i open to i original <br /> drilled depth, if not clean out the hole. <br /> 2 . The upper 20 feet of the well will be sealed with bentonite <br /> ` fl grout, or neat cement with 5% bentonite grout. The lower portion <br /> 11V �J of the well can be filled with clean grout or sand whichever is <br /> more convenient. <br /> 3 . Impervious seals will be placed between aquifers, a depth of <br /> 20 feet for each seal if possible. <br /> 4. All [materials will be placed with a trime pipe if the depth <br /> { iI <br /> ' AVI I �/ HEALTH AND SAFETY PLAN <br /> GENERAL SAFE WORK PRACTICES <br /> California Geophysical Group, Inc. is responsible for the safety <br /> of all California Geophysical Group employees on-site. All <br /> general safety guidelines and procedures will conform to: <br /> * 29 CFR 1910.120 * Standard Operating Safety Guides (U.S.E.P.A. , <br /> Nov. 1984) <br /> All containers will be labeled identifying their contents. <br /> Hazardous material will be labeled with yellow labels and <br /> identifying the person to contact. <br /> All excavation/drilling work will comply with Title 8 , Article G <br /> of the California Administrative Code and local ordinances. <br /> Personnel are not allowed to eat or smoke on the site. <br /> The project manager/safety officer is John Cussen 619 486 1323 <br /> and or Mr. Andy Younan ( 209) 526-5251 . <br /> Page 8 <br />