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0 • <br />Breckenridge Sanitation District <br />Copper Mountain Water and Sanitation District <br />Frisco Sanitation District <br />Dillon/Silverthorne Joint Authority <br />Summit County Snake River Wastewater Treatment Plant <br />Robinson Tailing Site <br />portions of Sections 27, 34 and 35, Township 7 South, Range 79 West and <br />portions of Sections 2 & 3, Township 8 South, Range 79 West; Summit County <br />Summit County <br />SPECIAL CONDITIONS <br />II.A <br />Biosolids Application Rates <br />PART II <br />Page 3 of 5 <br />CDPH&E BMP #0834 <br />The Colorado Mined Land Reclamation Board revegetation permit for Climax Metal's Robinson Tailing Site identifies <br />the agronomic nitrogen requirement for the reclamation seed mix at 75 pounds of plant available nitrogen per acre. <br />Application of biosolids from any of the permitted facilities, either in combination or singly, shall not exceed 75 pounds <br />of plant available nitrogen per acre for the initial year's application. Subsequent years' applications shall be calculated <br />based upon updated soil and biosolids analyses. Additional organic materials may be applied in combination with the <br />biosolids, however, the concentration of plant available nitrogen for any such mixture shall not exceed 75 pounds per <br />acre of plant available nitrogen. <br />II.B <br />Biosolids Monitoring <br />Biosolids monitoring requirements are specified in Section 4.9.16.A of the Biosolids Regulation (5 CCR 1002-19, <br />4.9.0). Division records indicate that the permittees' 1993 biosolids production rates are as identified below. <br />Monitoring of biosolids for parameters identified at section 4.9.16, table 7, and to demonstrate compliance with <br />pathogen destruction criteria identified at section 4.9.12.B(8) and vector attraction reduction criteria at 4.9.12.C is <br />required on a once per quarter basis for those facilities exceeding 319 dry tons of biosolids production annually, <br />and once per year for those facilities which do not exceed 319 dry tons per year biosolids production. The <br />frequencies of analysis specified above are subject to change should the facilities' biosolids production levels change. <br />Breckenridge Sanitation District 357 dry tons <br />r' 88 <br />Copper Mountain Water and Sanitation District dry tons <br />Frisco Sanitation District 17 76 dry tons <br />Dillon/Silverthorne Joint Authority 255 dry tons <br />Summit County Snake River Wastewater Treatment Plant 120 dry tons <br />II.C <br />Soils Monitoring <br />Pursuant to Sections 4.9.16.13 of the Biosolids Regulation, (5 CCR 1002-19, 4.9.0), post-application soils monitoring <br />for those parameters identified in 4.9.16.B, tables 8 and 9 of the Biosolids Regulation shall be required. Monitoring <br />shall be performed on samples collected in accordance with the provisions of section 4.9.16.13 of the Biosolids <br />Regulation. Samples should be collected so as to be representative of that area to which biosolids are applied within <br />a given calendar year. It is expected that the amount of acreage to which biosolids are applied will not exceed 320 <br />acres per year. Thus, for purposes of this section, only a single composite soil sample will be required. Collection <br />0 of soil samples is not required until seeding is complete and emergence and establishment of vegetation has occurred, <br />however, in no case should soil sampling occur more than two years after application has taken place.