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i <br /> s <br /> Canteen Facility 3anuary 11, 2002 <br /> QuarteLly Groundwater Monitoring R ort Page 5 <br /> Iapproximate rate of groundwater movement, and preparation of isoconcentration <br /> contour maps for benzene and TPH(g) at the two different screened aquifer depths <br /> Groundwater samples will be analyzed for BTEX by EPA method 8020, TPH(g) by <br /> EPA method 8015 modified, and TBA, MTBE, DIPE, ETBE, TAME, 1,2-DCA, and <br /> EDB by EPA method 8260B Groundwater monitoring will be performed in the <br /> second month of each quarter and quarterly monitoring reports will be submitted to <br /> the appropriate state agencies by the 15t` of the first month following the end of each <br /> quarter <br /> If you have any questions or comments, or need additional information, please contact me at <br /> (512) 990-7467, extension 212 <br /> Sincerely, <br /> AES-Regulatory Services, Inc. <br /> <Ci ERIC N <br /> MUEHLBERGER <br /> Eric W Muehlberger, RG A#5255) No 5255 �r <br /> Associate Hydrogeologist 4P OF A 0 <br /> Enclosures Tables <br /> Figures <br /> Appendix A <br />' cc Mr Richard Belthoff Mr Marty Hartzell <br /> Director of Real Estate Central Valley RWQCB <br /> Compass Group USA, Inc 3 25 1 S Street <br /> 2400 Yorkmont Rd Sacramento, CA 95816 <br /> Charlotte, NC 28217 <br /> ItitF.GU�,q�o <br /> U <br /> LrcEs�2 <br />