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v <br /> A S S O C I A T E S I N C . <br /> All work described in this workplan will be performed under the direction of a California <br /> Registered Professional Engineer. All work will be performed in accordance with ATC's Site <br /> Safety Plan(SSP) and Quality Control/Quality Assurance Plan on file with the EHD. <br /> Proiected Schedule <br /> Once`approval of this workplan has been received, ATC will schedule drilling activities. ATC <br /> will notify the EHD at least 48 hours prior to beginning any field activities. The summary report <br /> will be submitted to EHD approximately four to five weeks after the completion of field <br /> activities. <br /> Revised Groundwater Analytical Results <br /> ATC contacted Argon Laboratories in Ceres, California regarding method detection limits for <br /> previously reported groundwater analytical data. Argon determined that they were able to report <br /> constituents by EPA Method 8260B with a lower method detection limit. Updated analytical <br /> data is included in table 1, attached. Additionally, copies of the revised laboratory reports are <br /> attached. <br /> If you. have any questions or require additional information regarding this workplan, please <br /> contact us at(209) 579-2221. <br /> Respectfully submitted, <br /> ATC Associates Inc. <br /> F <br /> 0-7Z.1111 <br /> Nathan Christman <br /> Staff Geologist " i �t`.� ?k# <br /> �1 a <br /> Jeanne Homsey, P.E. ` � (3`16 <br /> Registered Engineer No. C47410 <br /> Attachments <br /> cc: Dr. A.R. Glover <br /> Mr. Jim Barton, CA Regional Water Quality Control Board, Central Valley Region <br /> wA14885\reports\wkp1n.doc 5 <br />