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April 4, 2003 Version <br /> 1 (a) Compost products derived from compostable materials that contain any metal in amounts that <br /> 2 exceed the maximum acceptable metal concentrations shown in Table 2 shall be designated for <br /> 3 disposal, additional processing, or other use as approved by state or federal agencies having <br /> 4 appropriate jurisdiction. <br /> 5 <br /> Table 2—Maximum Acceptable Metal <br /> Concentrations <br /> Constituent Concentration (mg/kg) <br /> on dry weight basis <br /> Arsenic (As) 41 <br /> Cadmium (Cd) 39 <br /> Chromium (Cr) 1200 <br /> Copper(Cu) 1500 <br /> Lead(Pb) 300 <br /> Mercury(Hg) 17 <br /> Nickel (Ni) 420 <br /> Selenium(Se) 36 1 <br /> Zinc (Zn) 2800 <br /> 6 l <br /> 7 (b) Alternative methods of compliance to meet the requirements of Subdivision(a) of this <br /> 8 Section, including but not limited to sampling frequencies, may be approved by the EA for green <br /> 9 and food materials composting operations and facilities if the EA determines that the alternative <br /> 10 method will ensure that the maximum acceptable metal concentrations shown in Table 2 are not <br /> 11 exceeded. <br /> 12 <br /> 13 NOTE: Authority cited: Sections 40502, 43020, and 43021 of the Public Resources Code. <br /> 14 Reference: Sections 43020 and 43021 of the Public Resources Code. <br /> 15 <br /> 16 Section 17868.3. Pathogen Reduction. <br /> 17 <br /> 18 (a) Compost products derived from compostable materials, that contains pathogens in amounts <br /> 19 that exceed the maximum acceptable pathogen concentrations described in Subdivision(b) of this <br /> 20 Section shall be designated for disposal, additional processing, or other use as approved by state or <br /> 21 federal agencies having appropriate jurisdiction. <br /> 22 (b) Operators that produce compost shall ensure that: <br /> 23 (1) The density of fecal coliform in compost, that is or has at one time been active compost, shall <br /> 24 be less than 1,000 Most Probable Number per gram of total solids (dry weight basis), and the <br /> 25 density of Salmonella sp. bacteria in compost shall be less than three (3)Most Probable Number <br /> 26 per four (4) grams of total solids (dry weight basis). <br /> 27 (2) At enclosed or within-vessel composting process operations and facilities, active compost <br /> 28 shall be maintained at a temperature of 55 degrees Celsius (131 degrees Fahrenheit) or higher for a <br /> 29 pathogen reduction period of 3 days. <br /> 16 <br />