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