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ENVIROlbMENTAL HEALT"EPARTMENT <br /> " SAN JOAQUIN COUNTY <br /> Unit Supervisors <br /> Donna K.Heran,R.E.H.S. 304 East Weber AvenueThird Floor Carl Bergman,R.E.H.S. <br /> , <br /> '^ rhdiis Director Mike Huggins,R.E.H.S.,R.D.I. <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> Program Manager 'Telephone. (209)468-3420 Margaret Lagorio,R.E.H.S. <br /> ��coad Laurie A.Cotulla,R.E.H.S. Robert McClellon,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Mark Barcellos,R.E.H.S. <br /> PAULINE MARQUAND APR 2 8 2004 <br /> C/O SHAWN KELLY, M & M BUILDERS <br /> PO BOX 1107 <br /> TRACY CA 95378-1107 <br /> RE: M & M Builders Supply SITE CODE: 1530 <br /> 8111 Eleventh Street <br /> Tracy CA 95376 <br /> San Joaquin County Environmental Health Department (SJC/EHD) has reviewed <br /> "Quarterly Groundwater Monitoring Report M & M Builders"dated April 19, 2004 that <br /> was submitted on your behalf by Wright Environmental Services, Inc. and has the <br /> following comments. <br /> In correspondences dated May 15, 2003 and February 24, 2004 you were directed to <br /> continue routine quarterly groundwater monitoring at the above referenced site, to <br /> continue quarterly collection of groundwater samples for analysis from monitoring well <br /> MW-3, and to collect groundwater samples from MW-1 and MW-2 on an annual basis. <br /> SJC/EHD notes that in the current report, groundwater monitoring of MW-1 and MW-2 <br /> was not performed, and therefore a groundwater gradient and flow direction could not be <br /> calculated. Please ensure that your consultant monitors these two wells at the next <br /> scheduled event and reports a groundwater gradient and flow direction. <br /> If you have any questions please call Lori Duncan at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> W V, 1d'�M!'RYI <br /> Lori Duncan, Senior REHS Margam, Supervising REHS <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: James Barton, CVRWQCB <br /> John Lynch, Wright Environmental Services, Inc. <br />