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12 <br /> Ms. Kay Huffman <br /> 28 March 1988 12 WEISSASSOCMTES P MO <br /> Services (DHS) recommended action levels for benzene. The ground water <br /> samples from these wells were below the DHS recommended action levels for <br /> toluene, ethylbenzene and xylenes. <br /> Laboratory analyses suggest that the deionized water use for the trip <br /> blanks may be responsible for the hydrocarbons detected in the trip blank. <br /> We appreciate the opportunity to provide hydrogeologic consulting to <br /> Chevron and trust this report meets your needs. If you have any questions, <br /> please call. <br /> Sincerely, <br /> Weiss <br /> //Associates <br /> Sharon Halper <br /> Senior Staff Hydrogeologist <br /> `rte <br /> ii G <br /> H J •:'.;�, Sherwood Lovejoy <br /> Piuject H;drogeologist <br /> Cr <br /> fECLQ <br /> tfa f Richard Weiss <br /> � <br /> � Principal Hydrogeologist <br /> r Al <br /> a <br /> SLH/SL/RBW/ja <br /> l <br /> lC:/305CHEV/305RXJN8:4-305:V1.4 <br /> Attachments: A - Boring Logs <br /> B - Chain of Custody <br /> C - Analytic Reports <br /> D - Brown and Caldwell QA/QC <br />