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MONITORING AND REPORTING PROGRAM -2- <br /> SAN JOAQUIN COUNTY <br /> NORTH COUNTY SANITARY LANDFILL <br /> CLASS III LANDFILL <br /> SAN JOAQUIN COUNTY <br /> Sampling <br /> Report in & Reporting <br /> Parameter/Constituent Units of Frequency <br /> Sulfides (includigg H2S) presence or absence Quarterly 3 <br /> Volatile Organics mg/l Semiannually <br /> Aluminum l mg/l Semiannually3 <br /> Antimonyl mg/l Semiannually <br /> 3 <br /> Arsenic mg/l Semiannually <br /> Cadmiuml mg/1 Semiannually <br /> Total Chromium (III+VI)1 mg/1 Semiannually <br /> Chromium (VI) mg/l Semiannually <br /> Copp?r mg/1 Semiannually3 <br /> Lead mg/l Semiannually <br /> Manganesel mg/l Semiannually <br /> Mercury mg/l Semiannually3 <br /> Nickel mg/l Semiannually <br /> Selenium mg/l Semiannually <br /> Silver mg/l Semiannually <br /> Thalliums mg/l Semiannually <br /> Zinc mg/l Semiannually <br /> 1 Inductively Coupled Argon Plasma Atomic Emission Spectroscopy (ICRP) may be <br /> used for analysis of these constituents only. <br /> 2 EPA Methods 601 and 602, or EPA Method 624 shall be used. All peaks shall <br /> be reported. <br /> 3 In February and in August if liquid is present. If liquid is not present in <br /> August, at the first detection of liquid thereafter. <br /> LCRS MONITORING <br /> All LCRSs shall be tested annually to demonstrate operation in conformance with <br /> waste discharge requirements. The results of these tests shall be reported to <br /> the Board and shall include comparison with earlier tests made under comparable <br /> conditions. <br /> SURFACE WATER MONITORING <br /> South Paddy Creek shall be sampled at the locations shown on Attachment "B" , <br /> which is incorporated herein and made part of this Order. These locations shall <br /> constitute the points of compliance for surface waters. Surface, upstream and <br /> downstream, water flows from on and around landfill shall be sampled at the <br />