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(excluding cleanup wastes) . Tables 5-10 and 5-12 present SQG waste generation data by waste group. 5.2.4 MethQdQlQgv for E5timating SQG Waste Ouantitiu The County's SQG waste production (except waste oil ) was estimated in accordance with the EPA methodology referenced in Part F, Attach- ment A, B, and C of the OHS, Technical Reference Manual , June 1987, as specified by OHS. The number of firms under each industry group and the total volume production factor per generator is shown in Appendix A. Included in Appendix A are the calculations for Attachment B of the DHS JeChnical Reference Manual . Because waste oil is not classified as a hazardous waste on the federal level , the EPA methodology did not provide the means to calculate SQG waste oil generation. Waste oil is classified as a hazardous waste in California. In order to determine the quantity of waste oil generated by this group, waste generation factors provided by the DHS were applied to the number of county businesses typically associated with waste oil production: See Chapter 17.0 for a discussion of small quantity generators. The amount of waste generated by this group was estimated by using the DHS-recommended method presented in the OHS Technical Reference Manual , Part F, Attachments A, B, and C. The OHS methodology is based on the EPA method cited in National Small DUantity Hazardous Waste Generator Survey - Final Report, Abt Associates, February 1985, and provides a generalized assessment of waste generation patterns in the group. The method is based on a national review of selected industries sur- veyed in 1984 by Abt Associates. The patterns that evolved in the survey were incorporated into a method appropriate for use by cities and counties to determine specific SQG generation patterns within their jurisdictions. Abt Associates selected a target population of industries that were: (1) not statutory excluded from regulation PJ9 9390502D.00D 5-8 Rev. 1 11/08/88