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MONITORING AND REPORTING PROGRAM ORDER NO. R5-2015-0012-007 2 <br /> APACHE PLASTICS (Former) <br /> 2050 EAST FREMONT STREET, STOCKTON <br /> SAN JOAQUIN COUNTY <br /> Table 1 : Sampling Frequenc and Constituent Suite coni <br /> Well Number Constituent Frequency Monitoring <br /> Suite(s)3 Objective <br /> MW-9 , MW- 13, MW- 5 <br /> 23, MW-24, EW-1 , Suite A, Suite B Quarterly Treatment Zone <br /> III VEW- 1 and VEW-2 <br /> MW-4 and SCC-MW-7 Suite A, Suite B Annually Backgrounds <br /> MW-103 MW-14, MW- <br /> 15, MW- 181 MW- 19 Suite A Semi-Annually Other' <br /> and MW-20 <br /> Well numbers as shown on Figure 1 . <br /> 2 Prior to startup and stated frequency thereafter. <br /> 3 Constituent suite components listed in Table 2. <br /> " Wells used to determine compliance with groundwater limitations. <br /> 5 Wells sampled to evaluate progress inside the treatment zone. <br /> s Wells used to develop background concentrations. <br /> Wells used to define the extent of pollution. <br /> Table 2 : Analytical Methods <br /> Maximum Practical <br /> Constituent Method ' Quantitation Limit <br /> (Ng/L) 2 <br /> Suite A <br /> TPH-Gasoline EPA 8260B or 8015 50 <br /> TPH-Diesel EPA 8260B or 8015 50 <br /> BTEX3 EPA 8260B 0.5 <br /> 1 ,2-Dichloroethane EPA 8260B 0. 5 <br /> t-Butyl alcohol EPA 8260B 5 <br /> tert-Am I methyl ether EPA 82608 0. 5 <br /> 1 ,2-Dibromoethane EPA 82608 0 .5 <br /> Suite B <br /> Metals, Dissolved" EPA 6010 or 6020 Various <br /> Hexavalent Chromium EPA 7199 1 .0 <br /> Total Dissolved Solids EPA SM250C 10 <br /> Bromate and Bromide EPA 300. 1 1000 <br /> Or an equivalent EPA Method that achieves the same or lower Practical Quantitation Limit. <br /> 2 All concentrations between the Method Detection Limit and the Practical Quantitation Limit shall be <br /> reported as trace. <br /> 3 BTEX = benzene, toluene, ethylbenzene, and total xylenes <br /> 4 Metals include: Aluminum , Arsenic, Barium , Copper, Iron, Manganese, and Zinc. <br />