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MONITORING AND REPORTING PROGRAM NO.R5-2002-0220 -2- <br /> TEICHERT AGGREGATES <br /> TRACY ROCK PLANT <br /> SAN JOAQUIN COUNTY <br /> Constituent/Parameter Units Type of Sample Sampling Reporting <br /> Free uencv Frequency <br /> Total Dissolved Solids mg/l Grab Monthly Monthly <br /> Total Petroleum Hydrocarbons 2'3 mg/l Grab Monthly Monthly <br /> Hexavalent Chromium mg/l Grab Quarterly Quarterly <br /> Total Mercury 1 mg/1 Grab Quarterly Quarterly <br /> Standard Minerals 1'4 mg/1 Grab Quarterly Quarterly <br /> Monitoring only required when a concrete plant is in operation. <br /> 2 Monitoring only required when an asphalt plant in operation. <br /> 3 TPH shall be performed by EPA Method 8015-m for diesel range hydrocarbons. <br /> 4 Standard Minerals shall include,at a minimum,the following:Barium,Calcium,Magnesium,Sodium,Potassium, <br /> Nitrate, Sulfate,Total Alkalinity(including alkalinity series),and Hardness. <br /> REPORTING <br /> In reporting monitoring data, the Discharger shall arrange the data in tabular form so that the date, <br /> sample type (e.g., effluent, pond, etc.), and reported analytical result for each sample are readily <br /> discernible. The data shall be summarized in such a manner to clearly illustrate compliance with waste <br /> discharge requirements and spatial or temporal trends, as applicable. The results of any monitoring <br /> done more frequently than required at the locations specified in the Monitoring and Reporting Program <br /> shall be reported in the next scheduled monitoring report. <br /> A. Monthly Monitoring Reports <br /> Monthly reports shall be submitted to the Regional Board on the I"day of the second month <br /> following sampling (i.e. the January Report is due by 1 March). At a minimum, the reports shall <br /> include: <br /> 1. Results of freeboard and effluent monitoring. <br /> 2. A comparison of monitoring data to the discharge specifications and an explanation of any <br /> violation of those requirements. Data shall be presented in tabular format. <br /> 3. If requested by staff, copies of laboratory analytical report(s). <br /> 4. A discussion of all sludge removed from the process water ponds, septage or other solid waste <br /> disposal. <br /> 5. A calibration log verifying calibration of all monitoring instruments and devices used to comply <br /> with the prescribed monitoring program. <br /> B. Annual Monitoring Reports <br /> An Annual Report shall be prepared as the December monthly monitoring report. The Annual Report <br /> shall include all monitoring data required in the monthly schedule. The Annual Report shall be <br />