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MONITORING AND REPORTING PROGRAM FOR -7- <br /> CITY OF TRACY <br /> CLASS II LAND TREATMENT FACILITY <br /> SAN JOAQUIN COUNTY <br /> MONITORING FOR GROUND WATER AND VADOSE ZONE (continued) <br /> Purgeable halocarbons' µg/1 Annually <br /> Chloride mg/1 Annually <br /> Sulfate mg/1 Annually <br /> Lead mg/I Annually <br /> Antimony mg/1 Annually <br /> Arsenic' mg/1 Annually <br /> Barium mg/1 Annually <br /> Beryllium mg/1 Annually <br /> Cadmium mg/1 Annually <br /> Total Chromium (III+VI) mg/1 Annually <br /> Copper mg/1 Annually <br /> Manganese mg/1 Annually <br /> Mercury' mg/I Annually <br /> Molybdenum mg/I Annually <br /> Nickel mg/1 Annually <br /> Selenium' mg/1 Annually <br /> Thallium mg/1 Annually <br /> Vanadium mg/1 Annually <br /> Zinc mg/1 Annually <br /> ' Samples prepared by: <br /> TPH as gasoline - EPA Method 5030 <br /> TPH as diesel -EPA Method 3550 <br /> and analyzed by GC/FID. Analytical detection limits shall be as close to 50 µg/1 as <br /> practicable. Total Recoverable Petroleum Hydrocarbon (TRPH) shall be analyzed by <br /> EPA Method 418.1-IR. <br /> 8 EPA Methods 601 (purgeable aromatics) and 602 (purgeable halocarbons), or EPA <br /> Method 502.2, or EPA Method 502.1 and 503.1, or EPA Method 524.2 shall be used. <br /> All peaks shall be reported. <br /> ' Inductively Coupled Argon Plasma Atomic Emission Spectroscopy (ICAP) shall not be <br /> used for analysis of these constituents. <br /> For vadose zone pore fluid samples with insufficient liquid to analyze all parameters and <br /> constituents, priority shall be given to analyses of, in the follow order, EPA-602, and EPA-601 <br /> constituents, TPH as gasoline, and metals. <br />