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MONITORING AND REPORTING PROGRAM NO. R5-2010-0016 -11- <br />SAN JOAQUIN COUNTY DEPARTMENT OF PUBLIC WORKS <br />NORTH COUNTY LANDFILL <br />SAN JOAQUIN COUNTY <br /> <br /> <br /> <br />Table F.3.c - Detection Monitoring Schedule <br />Parameter Units Frequency Data Analysis <br />Field Parameters <br />Elevation Feet MSL Quarterly --- <br />pH pH units Semiannually Statistical <br />Temperature OC, OF Semiannually --- <br />Turbidity NTU Semiannually --- <br />Dissolved Oxygen (DO) % Semiannually --- <br />Redox potential millivolts Semiannually --- <br />Specific Conductance µMhos/cm Semiannually Statistical <br />Monitoring Parameters <br />VOCs1 µg/L Semiannually Nonstatistical <br />General Minerals: <br />Chloride mg/L Semiannually Statistical <br />TDS mg/L Semiannually Statistical <br />Total Alkalinity mg/L Semiannually Statistical <br />Total Hardness mg/L Semiannually Statistical <br />Chemical Oxygen <br />Demand (COD) mg/L Semiannually Statistical <br />Major Anions1 mg/L Annually Statistical <br />Major Cations1 mg/L Annually Statistical <br />COCs1 See Table C Every 5 years2 Statistical/Nonstatistical <br />__________________________________ <br />1. See Tables G.1 and G.2 for full list of constituents and EPA test methods. <br />2. More frequent monitoring may be required in certain circumstances per Section F.4. <br /> <br />4. COC Monitoring <br />COC monitoring shall be conducted as part of background and detection <br />monitoring under Sections F.2 and F.3, respectively. COC monitoring shall be <br />conducted by 30 June 2010 and at least every five years thereafter. Additional <br />or more frequent COC monitoring may be required to establish CLs (see Section <br />F.2.c) or in response to a release (see SPRR, Section XI). <br /> <br />G. SURFACE WATER MONITORING (Section 20415(c)) <br />1. Storm Water <br />The Discharger shall maintain coverage under the State Water Resources <br />Control Board General Industrial Storm Water Permit, Water Quality Order No. <br />97-03-DWQ. The discharger shall also monitor storm water flows semiannually <br />for the semiannual field and monitoring parameters specified in Table F.3.c. <br />Sampling shall be conducted at the following discharge locations, as applicable <br />(see Attachment B): <br />