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-V- <br />2) dioxin and dioxin like compounds (Manufacturing; and the processing or <br />otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin -like <br />compounds are present as contaminants in a chemical and if they were created <br />during the manufacturing of that chemical) ............................................. N150 <br />Stayed Chemicals. There are three EPRCA section 313 chemicals that are listed in the CFR but <br />for which the Agency has issued an administrative stay that excludes them from reporting until the stays <br />are lifted. These chemicals, identified by "313s" in the Sec. 313 table column, are methyl mercaptan <br />(CAS number 74-93-1), hydrogen sulfide (CAS number 7783-06-4), and 2,2-dibromo-3- <br />nitrilopropionamide (CAS number 10222-01-2). Check the TRI website (www.epa.goy/triexplorer) for <br />updated regulatory information. <br />TRI Thresholds. Reporting under EPCRA section 313 is triggered by the quantity of a chemical <br />that is manufactured, processed, or otherwise used during the calendar year. For most TRI chemicals, the <br />thresholds are 25,000 pounds manufactured or processed or 10,000 pound otherwise used. EPA has <br />recently lowered the reporting thresholds for certain chemicals and chemical categories that meet the <br />criteria for persistence and bioaccumulation. The following list provides the thresholds for these <br />chemicals( in pounds unless otherwise noted): <br />Chemical Name or Category <br />CAS Number <br />Threshold (lbs) <br />Aldrin <br />309-00-2 <br />100 <br />Benzo(g,h,i)perylene <br />191-24-2 <br />10 <br />Chlordane <br />57-74-9 <br />10 <br />Dioxin and dioxin -like compound category (manufacturing; and <br />processing or otherwise use of dioxin and dioxin -like compounds if they <br />are present as contaminants in a chemical and if they were created during <br />the manufacture of that chemical) <br />NA <br />0.1 gram <br />Heptachlor <br />76-44-8 <br />10 <br />Hexachlorobenzene <br />118-74-1 <br />10 <br />Isodrin <br />465-73-6 <br />10 <br />Lead and lead compounds except lead contained in stainless steel, brass, <br />and bronze alloys (applies to reporting for 2001 (due July 2002) and later) <br />NA <br />100 <br />Methoxychlor <br />72-43-5 <br />100 <br />Octachlorostyrene <br />29082-74-4 <br />10 <br />Pendimethalin <br />40487-42-1 <br />100 <br />Pentachlorobenzene <br />608-93-5 <br />10 <br />Polycyclic aromatic compounds category <br />NA <br />100 <br />Polychlorinated biphenyls (PCBs) <br />1336-36-3 <br />10 <br />