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with generators, it was determined that 1986 data are representative of an average year. _ Table 5-11 is similar to Table 5-9, showing that no major or small industries treat or dispose of their wastes on site. Table 5-12 presents waste generation by industry type and is the basis for projections of future hazardous waste generation. In addition to presenting a summary of waste generation patterns (excluding cleanup wastes) of the major hazardous waste generators, Table 5-12 includes waste generation data for Small Quantity Generators (SQGs) . Excluded from Table 5-12 are wastes generated in one-time only site cleanups: asbestos-containing wastes, contaminated soils, and wastes designated "IX" on DHS manifests. Most of the major generators surveyed are listed in Table 5-12 by SIC code. Other businesses who contributed 3 percent of the total 1986 DHS-manifested waste are listed under Miscellaneous SIC. Note that the total in Table 5-12 is lower than that in Table 5-1 since Table 5-12 excludes cleanup wastes and household hazardous waste. Table 5-13 lists ..the number of County hazardous waste-generating businesses by 2-digit SIC Code. The number of businesses listed for each SIC code includes both major generators and small quantity generators. SQGs are those businesses that generate less than 1,000 kg (1.1 tons/2,200 lb) of hazardous waste per month. Much of the waste generated by SQGs is not reported and therefore is not included in DHS manifest information. These generators are not taken into account by the state data tracking system, since they frequently bypass licensed hazardous waste facilities in favor of an alternative form (sometimes illegal ) of disposal ; as a consequence, the actual number of generators is not known. It is estimated that County SQGs generated 8,517.61 tons of hazardous wastes in 1986. This represents approximately 57 percent of the total hazardous waste stream in 1986 PJ9 9390502D.000 5-7 Rev. 1 11/08/88