Item 1: Ordinance Adopting Hazardous Substance Tracking Instructions

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Attachment B. 10. Quantity disposed on-site: Report each hazardous substance that is ultimately disposed of on the same site as the manufacturing facility. This category includes settling ponds, irrigation, on-site landfills and land treatment (i.e., incorporating waste into soil for treatment). If there is any volatilization of a hazardous substance into the air during the disposal on-site, that amount must be included in output type 5 (quantity emitted to the air). 11. Inventory at the facility at the end of the accounting period: Report the unused quantity of the substance that is remaining on-site on December 31 in purchased or manufactured condition. This does not include the quantity of the substance used in the manufacturing process that is waste waiting for treatment or disposal This amount should carry over (i.e., output type 4, waste stored at the facility). to Input Type 1 (inventory at the facility at the beginning of the accounting period) for the following year. Degree of Precision For the purpose of reporting, decimal amounts (rounding to one decimal for hazardous substances and to three decimals for extremely hazardous substances and extremely persistent bioaccumulative toxins) are to be used only when the whole number of pounds for hazardous substances is less than 10 and for extremely hazardous substances or extremely persistent bioaccumulative toxins less than 1. Expected Accuracy of Reporting The Toxics Board recognizes that measurement to the level of the smallest accounting units will be difficult or impossible to achieve in many cases. Businesses are expected to do their best to be as accurate as possible, and each input/output category should be reported in a discrete Fire Marshal, is not acceptable. Businesses are expected to use the best information that is already available to them. See Recordkeeping on pages 10 and 11. Businesses are not expected to purchase new monitoring or measuring equipment for the purposes of reporting, unless such equipment is required by Federal or State regulatory agencies. Neither are businesses required to perform additional sampling or laboratory analysis in order to generate input/output reporting data. The basis for reporting should be internally documented by the facility. Priority System for Estimating/Determining Input/Output Amounts Businesses are expected to use information that is already available to them, using the priority system (M>C>E>O) described below. A business may be asked to explain its choice of estimation method in an audit. The priority system (M>C>E>O) is intended as a general guidance for See Appendix F, estimating amounts. However, in certain cases, method E (estimate Questions 43-44 based on emission factors) may yield better data than method C (estimate based on mass balance), and should be used. - 20-