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MONITORING AND REPORTING PROGRAM Page 3 <br /> ORDER NO. R5-2015-0012-073 <br /> HUMAN SERVICES AGENCY <br /> 145 SOUTH SUTTER STREET, <br /> STOCKTON, SAN JOAQUIN COUNTY <br /> 3 i.e. weekly, monthly, quarterly, semi-annually, annually, other. Semi-annual <br /> sampling occurs 1 st and 3rd quarters, annual sampling occurs 1 st quarter. <br /> 4 After 12 months, monitoring frequency may be reduced to semi-annual for two <br /> years, then annual after that. <br /> 5 Should adverse water quality conditions be observed in Compliance Zone wells as <br /> a result of the injections, the Contingency Plan detailed below shall be <br /> implemented. <br /> Table 2: Analytical Methods <br /> Maximum Practical <br /> Constituent Method' Quantitation Limit',3 <br /> u /L <br /> SUITE A <br /> TPHg EPA 8015B 50 <br /> TPHd EPA 8015B 100 <br /> Benzene EPA 8260B 1.0 <br /> Toluene EPA 8260B 5.0 <br /> Eth (benzene EPA 8260B 5.0 <br /> Total Xylenes EPA 8260B 15 <br /> Methyl tert butyl ether EPA 8260B 1.0 <br /> Naphthalene EPA 8260B 1.0 <br /> SUITE B <br /> Metals, dissolved EPA 6010 Various <br /> Total chromium EPA 6010 5 <br /> Hexavalent chromium EPA 7199 1.0 <br /> Total dissolved solids EPA 2540 10,000 <br /> Nitrate EPA 6500/300.0 200 <br /> Sulfate EPA 6500/300.0 1000 <br /> Bromide EPA 300.0 300 <br /> Bromate EPA 300.1 5.0 <br /> TPHg= total petroleum hydrocarbons as gasoline; BTEX= benzene, toluene, <br /> ethylbenzene, xylenes; MTBE= methyl tert butyl ether <br /> ' Or an equivalent EPA method that achieves the Maximum Practical Quantitation <br /> Limit. <br /> 2 All concentrations between the Method Detection Limit and the Maximum <br /> Practical Quantitation Limit shall be reported as an estimated value ("J value"). <br /> 3 The Maximum Practical Quantitation Limit is commonly referred to as the <br /> Reporting Limit <br /> 4 Dissolved metals include: arsenic (Ar), iron (Fe), and manganese (Mn) and are <br /> collected in laboratory-supplied non-preserved containers, relinquished to the lab <br /> for filtering and preservation prior to analysis. <br />