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SPX CORPORATION ORDER R5-2019-0018 <br /> SPX MARLEY COOLING TECHNOLOGIES GROUNDWATER CLEANUP NPDES NO. CA0081787 <br /> Table E-2. Influent Monitoring <br /> Parameter Units Sample Type Minimum Sampling Required Analytical <br /> Frequent Test Method <br /> Arsenic, Total pg/L Grab2 1/Quarter ' <br /> Recoverable <br /> Chromium (total), Total pg/L Grab2 1/Quarter ' <br /> Recoverable <br /> Copper, Total pg/L Grab2 1/Quarter ' <br /> Recoverable <br /> Electrical Conductivity pmhos/cm Grab2 1/Quarter ' <br /> ' Pollutants shall be analyzed using the analytical methods described in 40 CFR part 136; or by methods <br /> approved by the Central Valley Water Board or the State Water Board. <br /> 2 Grab samples shall not be collected at the same time each day to get a complete representation of variations <br /> in the influent. <br /> 3 Influent sampling shall be performed concurrently with effluent sampling. <br /> IV. EFFLUENT MONITORING REQUIREMENTS <br /> A. Monitoring Location EFF-001 <br /> 1. The Discharger shall monitor the discharge of treated groundwater at EFF-001 as <br /> follows. If more than one analytical test method is listed for a given parameter, the <br /> Discharger must select from the listed methods and corresponding Minimum Level: <br /> Table E-3. Effluent Monitoring <br /> Minimum Required <br /> Parameter Units Sample Type Sampling Analytical <br /> Frequency' Test Method <br /> Flow MGD Meter Continuous -- <br /> Conventional Pollutants <br /> Total Suspended Solids mg/L 24-hr Composite 1/Month 2 <br /> pH standard units Grab 1/Month 3 2 <br /> Priority Pollutants <br /> Arsenic, Total Recoverable pg/L 24-hr Composite 1/Quarter 2 <br /> Copper, Total Recoverable pg/L 24-hr Composite 1/Month 2 <br /> Chromium (VI), Dissolved pg/L 24-hr Composite 1/Month 2 <br /> Priority Pollutants and Other See Section See Section IX.A See Section 2,4 <br /> Constituents of Concern IX.A IX.A <br /> Non-Conventional Pollutants <br /> Dissolved Oxygen mg/L Grab 1/Month 2 <br /> Electrical Conductivity @ 25°C mg/L 24-hr Composite 1/Month 2 <br /> Hardness (as CaCO3) mg/L 24-hr Composite 1/Month 5 2 <br /> Temperature pg/L Grab 1/Month 2 <br /> Turbidity pmhos/cm Grab 1/Month 2 <br /> Total Dissolved Solids mg/L 24-hr Composite 1/Month 2 <br /> Iron, Total Recoverable pg/L 24-hr Composite 1/Quarter 2 <br /> Whole Effluent Toxicity pg/L <br /> (see Section V. below) <br /> ATTACHMENT E— MONITORING AND REPORTING PROGRAM E-4 <br />