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1_I <br />G <br />it <br />11 <br />7. WASTE DISPOSAL PLAN <br />Wastes generated during this field investigation will consist of the <br />following: drill cuttings, groundwater from well development and sampling, <br />rinse water from equipment decontamination, and disposable protective <br />clothing. <br />During the investigation, onsite PG&E personnel will be responsible for <br />separation and placement of wastes in their respective storage containers, <br />marking and labeling containers as work is performed, and ensuring that the <br />site is kept reasonably clean in the general area of work. <br />7.1 Drill Cuttings <br />Cuttings generated by drilling soil borings and monitoring wells will be <br />field -analyzed using a photoionization detector, and placed into either of <br />two bins, one for soil apparently free of residues and one for soil with <br />apparent concentrations of residues. One composite soil sample will be <br />collected for analysis from each soil bin prior to disposal. The analytical <br />results will be used to determine the appropriate handling and disposal <br />requirements for soil in each bin. <br />7.2 Waste Water <br />Waste water generated during well development, evacuation of wells prior to <br />sampling, and equipment decontamination will be stored onsite in a Baker <br />tank. At the end of the investigation or when the tank becomes full, PG&E <br />will sample the waste water for analysis by Eureka Laboratories. The waste <br />water will be disposed of in accordance with all applicable local, state and <br />federal requirements. <br />7.3 Protective Clothing <br />Protective clothing worn in the field will be placed in plastic bags and <br />stored in Department of Transportation Specification 17C drums until <br />disposed of in accordance with all applicable federal, state and local <br />requirements. <br />1 3542a/BAV102 39 <br />