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MONITORING AND REPORTING PROGRAM NO. R5-2004-0028 9 NPDES NO. CA0081558 CITY OF MANTECA, CITY OF LATHROP AND DUTRA FARMS WASTEWATER QUALITY CONTROL FACILITY SAN JOAQUIN COUNTY Results of monitoring shall be reported in compliance with the Reporting Section. The biosolids monitoring report shall include a statement concerning compliance with 40 CFR Part 503 biosolids disposal requirements. The report shall include,but is not limited to, an assessment of cumulative metals and nitrogen loadings from all sources, type of crop grown,nitrogen demand, and setback and runoff compliance, as well as compliance with pathogen reduction and vector attraction reduction standards. Discharger shall submit annually a description of disposal methods, including the following information related to the disposal methods used at the facility. If more than one method is used,include the percentage of annual biosolids production disposed by each method. a. For landfill disposal, include (1)the Regional Board's WDR numbers that regulate the landfill(s) used, (2) the present classifications of the landfill(s) used, and (3)the names and locations of the receiving facility(ies). b. For land application, include (1) location of the site(s), (2) the Regional Board's WDR numbers that regulate the site(s), (3) the application rate in lbs/year(specify wet or dry), and(4) subsequent uses of the land. c. For incineration, include(1) name and location of the site(s)where sludge incineration occurs, (2)the Regional Board's WDR numbers that regulate the site(s), (3)the disposal method of the ash, and(4) the names and locations of facilities receiving ash(if applicable). d. For composting, include(1)name and location of the site(s)where sludge composting occurs, and(2) the Regional Board's WDR numbers that regulate the site(s). SOIL PROFILE MONITORING A minimum of four representative locations shall be established for soil profile sampling of the fields where effluent and sludge are applied. The following shall constitute the monitoring program: Sampling Measurement Units Soil Profile Frequency Nitrate Nitrogen mg/kg 4 feet Annually, Kjeldahl Nitrogen mg/kg 4 feet Annually, Soluble Salts mg/kg 4 feet Annually, Total Metals4 mg/kg 4 feet Annually, 'Samples shall be collected at 1-foot increments.