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Good morning David, <br /> Please correct the 1,2-DCA Regression for MW-1; the concentrations <br /> indicate TPHg, not 1,2-DCA. <br /> Once you resubmit the revised .1,2--DCA Regression for MW-1, I will <br /> forward this information to the Regional Board for their review. <br /> Thank you, David. <br /> Vicki McCartney, Senior RENS <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street <br /> Stockton, California 95202 <br /> Phone: (209) 468-9852 k <br /> Fax: (209) 468-3433 y <br /> Email: vmccartney@sjcehd.com <mailto:vmccartneyCaisjcehd.corri> <br /> f� <br /> i <br /> 4 <br /> S <br /> From: David R. Daniels [mailto:david.daniels@cardno.com] <br /> Sent: Tuesday, January 31, .2012 8:16 AM <br /> To: Vicki McCartney [EH] <br /> Subject: RE: Former Mobil Service Station located at' 25355 j <br /> North <br /> Highway 99, Acampo, CA JI <br /> Vicki, <br /> i <br /> The 1,2 DCA trend evaluation for 25355 North Highway 99 in <br /> Acampo is provided below and in the attached graphs. Please contact' <br /> me, ' <br /> with any comments or questions. <br /> ESTIMATE OF TIME REQUIRED TO MEET Water Quality Numerical <br /> Limits <br /> Cardno ERI compared the dissolved-phase concentrations at the <br /> site with water Quality Numerical Limits (WQNLs) established by the <br /> California Regional Water Quality Control Board, Central Valley Region <br /> 3 <br />