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Attachment B. <br /> 1. Minimum Amounts for Individual Chemicals: Total <br />See Appendix F, <br />inputs of a single chemical must meet the smallest <br />Question 39 <br />accounting unit threshold (2.2 pounds for hazardous <br />substances and 0.022 pounds for extremely hazardous <br />substances and extremely persistent bioaccumulative toxins), or else that chemical <br />is not reportable. For radioactive substances, see page 14. <br />2. Thresholds for Full Materials Accounting: If total inputs fall below 50 pounds for <br />a hazardous substance or five pounds for an extremely hazardous substance or an <br />extremely persistent bioaccumulative toxin, but above the smallest accounting <br />balance accounting is not required. However, these amounts count toward the <br />2,640-pound overall reporting threshold. <br />3. When All Chemicals Fall Below the Threshold for Materials Accounting: If no <br />chemical has inputs exceeding 50 pounds, but the facility exceeds the 2,640- <br />pound aggregate input threshold, then materials balance accounting IS required <br />for the one chemical with the greatest input. <br />The following table summarizes threshold amounts for reporting. <br />REPORTABLE REPORTABLE <br />WITHOUT FULL WITH FULL <br />NONMATERIALS MATERIALS <br />REPORTABLEACCOUNTINGACCOUNTING <br />EXTREMELY HAZARDOUS <br />SUBSTANCE<0.022 pounds0.0224.99 pounds>5 pounds <br />HAZARDOUS SUBSTANCE<2.2 pounds2.249.99 pounds>50 pounds <br /> <br />H <br />ow to Calculate Inputs and Outputs <br />The electronic data entry reporting program will have fields to accommodate each input and <br />output type. In reporting, it is required that total inputs and total outputs for each substance must <br />balance to within the smallest accounting unit for that substance. The following table shows all <br />input and output categories. <br />I1Input 1January 1 InventoryO4Output 4December 31 Waste <br />I2Input 2January 1 WasteO5Output 5Emitted to Air <br />I3Input 3Produced On-siteO6Output 6Discharge to POTW <br />I4Input 4Brought On-siteO7Output 7Surface Water Release <br />O1Output 1Chemically AlteredO8Output 8Treated On-site <br />O2Output 2Shipped as ProductO9Output 9Recovered On-site <br />O3Output 3Shipped as WasteO10Output 10Disposed On-site <br />O11Output 11December 31 Inventory <br />- 16- <br />