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-Gauge and sample well MW-12 annually(2ndQ) <br /> analyze samples for TPHG,BTEX,MTBE,and bio-parameters <br /> -Discontinue monitoring wells MW-1,MW-2,MW-3,MW-5,MW-8,MW-10,and MW-11 <br /> -Discontinue mapping the potentiometric surface <br /> -Report monitoring results annually <br /> The proposed groundwater monitoring program will not compromise Chevron's ability to effectively <br /> evaluate groundwater conditions and will provide the information in the most cost effective manner. <br /> Subsequent changes to the proposed program may be necessary depending on results of future evaluations. <br /> Pending approval from your agency,Chevron will implement this proposal beginning second quarter of <br /> this year. <br /> In addition, Chevron will pursue access to the monitoring wells located at 2081 Country Club Drive <br /> (Kwikee Foods) in order to collect groundwater samples. The obtained data will be used to determine the <br /> degree of plume commingling and/or the extent of plume migration in the eastern direction. Chevron also <br /> plans to determine the location and burial depth of all underground utility corridors in the vicinity of the <br /> subject site. This information combined with information regarding offsite receptors,will provide <br /> Chevron with a better understanding of complete exposure pathways and susceptible receptors for a <br /> preliminary health risk screening. Additional information will be compiled and will be used to determine <br /> the most appropriate plan of corrective action for the subject site. <br /> If you have any questions or comments,I can be reached at(510)842-8695. <br /> Sincerely, <br /> �.1 /° 477/,)- <br /> Brett L. Hunter <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> Attachment <br /> cc: Gordon Boggs, Central Valley RWQCB, Sacramento, CA <br /> Ron Berberian,2021 W. March Lane, Suite 2A, Stockton, CA 95207 <br /> Patrick Craig, 721 N.Union St., Stockton, CA 95205 <br /> Cliff Garratt, TerraVac, 1651 Alvarado St., San Leandro, CA 94577-6718 <br /> Bette Owen, Chevron Products Company, San Ramon, CA (w/o attachment) <br /> Fran Thie,Blaine Tech Services, Inc., 1680 Rogers Ave., San Jose, CA 95112 (w/o attach.) <br />