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<br />St. Joseph Energy CenterIndustrial Wastewater Discharge Permit page 10 <br />of 41 <br /> <br />PART II - MONITORING REQUIRMENTS <br /> <br />A. Monitoring Frequency <br /> <br />1. The following parameters shall be monitored at the frequency and with the <br />sampling type stated below. All measurements, tests, and analyses of the <br />characteristics of water and wastes to which reference is made in this permit shall <br />be conducted using the methods and procedures approved in 40 CFR 136 and <br />amendments thereto, unless otherwise specified in an applicable Categorical <br />Pretreatment Standard. <br /> <br /> <br />The following parameters shall be monitored at Sample Site Outfall # 054 with the methods and <br />at the frequency stated below: <br />Parameter Sampling Frequency Sampling Type <br />Flow, total (gpd) Daily Continuously <br />Flow Monthly (gal) Monthly Continuously <br />Ammonia, nitrogen (mg/L) Semi-Annual Composite <br />Arsenic (mg/L) Semi-Annual Composite <br />BOD5 (mg/L) Semi-Annual Composite <br />Cadmium (mg/L) Semi-Annual Composite <br />Chromium (mg/L) Semi-Annual Composite <br />Copper (mg//L) Semi-Annual Composite <br />Lead (mg/L) Semi-Annual Composite <br />Nickel (mg/L) Semi-Annual Composite <br />Mercury (mg/L) Semi-Annual Grab <br />Oil & Grease, Total (mg/L) Monthly Grab <br />Oil & Grease, TPH (mg/L) Semi-Annual Grab <br />pH (SU) Monthly Grab <br />Phosphorus (mg/L) Semi-Annual Composite <br />Total Suspended Solids (mg/L) Semi-Annual Composite <br />Silver (mg/L) Semi-Annual Composite <br />Zinc (mg/L) Semi-Annual Composite <br /> <br />See Flow Measurement Requirements referenced in Part III - Reporting Requirements. <br /> <br />