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�n <br /> til <br /> S E C 0 R <br /> Attachment 2 <br /> Field Procedures <br /> from the wells until the water is visibly clear, the wells go dry, or until a maximum of ten casing <br /> volumes have been removed Water quality measurements including conductivity, turbidity, , <br /> temperature and pH will be collected during well development activities ' <br /> I <br /> At least 48 hours after development, groundwater samples will be collected using a disposable <br /> Teflon bailer, placed into appropriate EPA-approved containers, labeled, placed on ice, and <br /> transported to a California State Certified laboratory accompanied by chain-of-custody <br /> documentation The well casings will be surveyed to the nearest 0 01 feet in elevation to a known <br /> benchmark �} <br /> Soil Cuttings, Rinsate Water, and Well Development Water {!,j, <br /> Soil cuttings generated during drilling operations will be temporarily stored onsite and covered with ' <br /> plastic sheeting pending characterization and disposal Soil cuttings will be removed by Chevron's <br /> disposal contractor to an appropriate disposal facility Water generated during steam cleaning will be <br /> temporarily stored in DOT-approved 55-gallon drums pending transport by Chevron's disposal <br /> contractor to an appropriate disposal or treatment facility Sod cuttings and rinsate water drums will <br /> be temporarily stored onsite for approximately 6 to 10 weeks <br /> ! t3 <br /> i C <br /> 1 <br /> F <br /> t! <br /> 1 <br /> I 4° <br /> i <br /> 1 M� <br /> 1 <br /> 1, <br /> li <br /> r <br /> !r <br /> �gf 124 <br /> If <br /> I <br /> { fu <br /> , ll <br /> I � <br /> ,F <br />