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and PH conductivity and temperature of the water has stabilized Presence of formation- <br /> source clay sediments within development discharge water will be documented within the <br /> field notes. <br /> Following a minimum of 48 hours after well development and an initial water level <br /> 1 measurement, the wells will be sampled using a Teflon bailer cleaned with Alconox and <br /> deio0nized water. The bailer will be used first to obtain a sample from the surface of the <br /> water in the well prior to purging Any subjective evidence of product detected in the wells <br /> will be recorded. If no floatingproduct is observed in the wells, a formation water sample <br /> P P <br /> will be collected after purging operations Approximately three to four well volumes of <br /> water will be purged from the wells before sampling using a submersible pump. During <br /> • purging the ground water will be monitored for pH, temperature, and conductivity and <br /> purging will continue until these parameters have stabilized If floating product is <br /> encountered in a well, the well will not be purged or sampled <br /> Water developed and purged from the well will be stored in 55-gallon steel drums <br /> approved for use by the Department of Transportation. <br /> I I <br /> I <br /> The water samples will be collected using a clean teflon bailer and transferred slowly <br /> and sealed in appropriate laboratory-cleaned glassware with Teflon-lined lids, labeled, and <br /> promptly placed in iced storage. Chain-of-Custody Records will be initiated by the sampler , <br /> and will accompany the samples to the laboratory <br /> kk <br /> „II <br /> I IE 8 ' <br /> k 'E' i It <br /> k I I ii I <br />