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Collect Data on Hazardous Waste <br /> Data on hazardous waste manifested off-site;as well as hazardous wastewater effluents,may <br /> come from a variety of sources,including: <br /> • Hazardous waste manifests <br /> • Biennial hazardous waste generator reports <br /> Wastewater flow records <br /> • .SARA Tile IQ Section 313 enviroamenta.l release reports <br /> • Environmental audit reports <br /> • Permits(RCRA Part B,National Pollution Discharge Elimination System(NPDES),etc.) <br /> • Lab reportsfcharacterization data <br /> • Chemical inventory and:usage records <br /> • NPDES monitoring reports <br /> • Internal waste tracking system records. <br /> • Production records <br /> Thesesources ofinformation arehelpful mcalculating thetotal hazardous waste generated. <br /> They also provide valuable informationsuch as hazardous characteristics and current(off-site <br /> as well as on-site)management methods. <br /> Another way for a large business to accumulate information or to supplement its collection <br /> is to prepare a brief questionnaire.for key departments,such as production,maintenance,and <br /> service, which are known or suspected to generate waste. A review of operator logs or <br /> • production records may also provide useful information in calculating quantities ofhazardous <br /> waste. <br /> 2.4 Additional Considerations <br /> • When determining applicability of S13 14 at a site,a generator must include the <br /> weight of aqueous hazardous waste streams before pretreatment and discharge <br /> to a sewer. <br /> • In determining the applicability of SB 14, hazardous waste streams and <br /> extremely hazardous waste streams must be evaluated separately for comparing <br /> these waste streams to their respective applicability thresholds. <br /> • <br /> 18 <br />