Item 1: Ordinance Adopting Hazardous Substance Tracking Instructions

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Attachment B. TB followed by a number indicates a chemical or group TBof chemicals appearing on one or more of the Federal lists of reportable substances cited in the Charter Amendment, but without CAS numbers. The TB designator simply takes the place of a CAS number for these chemicals. See Appendix F, Compounds and Mixtures Questions 18-23 When hazardous substances occur in compounds or mixtures with other and 49 substances, facilities are required to report only the weight of actual hazardous substances. The Material Safety Data Sheet (MSDS) may give the percentage of hazardous substances contained in a mixture or compound, and the weight of each can then be calculated. Otherwise, businesses are expected to use their best engineering judgment and to document it for purposes of audits. Unidentified Chemicals See Appendix F, Often a company will know that a substance is reportable because it Question 25 possesses one of the characteristics of hazardous waste as defined in 40 CFR Part 261, but the company will not know the identity of the chemical (usually because it is a trade secret of the supplier). These chemicals should be reported in the appropriate generic category (C1 through C7). Occasionally, a chemical will be listed on an MSDS under a generic name and, instead of a CAS cific chemical identity information is not available, but you have information indicating that a substance is reportable, provision is made to report the chemical in a generic category with the chemical identifier SG in lieu of a CAS number. For example ance. substances along with the chemical identifier SG. Radioactive Materials Companies must report the identity of radioactive materials for which they have inputs above 1 gram (0.0022 pounds), and must report the amount of input for radioactive substances whose input exceeds 2.2 pounds. Materials accounting, including all four inputs and all 11 outputs, is not required for radioactive substances. Exception: Sealed source radioactive materials, as defined by OAR 333-100-055(71), contained in smoke detectors, survey equipment, and small laboratory testing equipment, are not required to be reported. Articles See Appendix F, For purposes of reporting under this program, the Toxics Board has Questions 1-17 - 14-