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Diamond Pet Food Processors of Ripon California,LLC January 28,2011 <br /> Sampling and Analysis Plan Page 5 of 9 <br /> TABLE 2-1 (continued) <br /> Monitoring Well Specifications <br /> Diamond Pet Food Producers of Ripon California, LLC <br /> Casing RP TD Screened Aquifer <br /> Well Diameter {ft, MSL) 1ft, bgs) Intervals(ft, bgs) Unit <br /> PW-4 12-3/4" NA 190 84.0-86.0 <br /> 90..0-110.0 <br /> 120.0-130.0 <br /> 140.0-150.0 U/1 <br /> 160.0-170.0 <br /> 180.0-190.0 <br /> PW-5 12-3/4" NA 190 84.0-86.0 <br /> 90.0-110.0 <br /> 120.0-130.0 <br /> 140.0-150.0 U/1 <br /> 160.0-170.0 <br /> 180.0-190.0 <br /> PW-6 12-3/4" NA 205 135.0-155.0 <br /> 165.0-175.0 1 <br /> 190.0-205.0 <br /> PW-7 12-3/4" NA 205 135.0-155.0 <br /> 165.0-175.0 1 <br /> 190.0-205.0 <br /> PW-8 12-3/4" NA 260 185.0-215.0 <br /> 225.0-240.0 /L <br /> 250.0-260.0 <br /> Note: U=Upper Aquifer;I=Intermediate Aquifer;L=Lower Aquifer <br /> 3. GROUNDWATER MONITORING PROGRAM <br /> CCR Title 27, Subtitle D, Article 1, §20385.requires that dischargers of wastes to waste <br /> management units institute the following, as appropriate. <br /> The groundwater monitoring program shall consist of the following: <br /> The water level in each monitoring well shall be measured quarterly consistent with Title 27, <br /> §20415(e) (15). Groundwater contour maps, showing the direction and magnitude of the <br /> groundwater gradient in the uppermost aquifer beneath the site, will be prepared based on the <br /> data. <br /> Semiannually, monitoring wells OB-1 through OB-28, TH-1, TH-2, TH-4 through TH-11, M-19- <br /> C, and PW-4 will be analyzed for TDS, EC, chloride, sulfate, nitrate, and sodium. <br /> Annually,monitoring wells OB-1 through OB-28, TH-1, TH-2, TH-4 through TH-11, M-7-A, M- <br /> 010107.01 Lawrence 8 Associates <br /> 6Y:ICLLGNTSIDianrond Pet Foods1010/07.01-Ground3,,ater MonitoringlGromtdirater A/onitoring12010RSarnpling and Anal oris Plan.doex <br />