NR 438 Air Pollutants Increasing Reporting Thresholds on July 1, 2004 Listed in Chemical Abstract Symbol (CAS) Order
This table lists the 50 pollutants in which reporting thresholds increased on July 1, 2004. The table is sorted in Chemical Abstract Symbol (CAS) order.
| Pollutant Name | Chemical Abstract Symbol (CAS) |
New NR 438 Reporting Level (lbs) |
Old NR 438 Reporting Level (lbs) | Increase in Reporting Level (lbs) |
|---|---|---|---|---|
| Sulfur monochloride | 10025-67-9 | 1,806.00000 | 1,335.00000 | 471.00000 |
| Hydrogen bromide | 10035-10-6 | 3,247.00000 | 2,218.00000 | 1,029.00000 |
| Boron tribromide | 10294-33-4 | 3,352.00000 | 2,218.00000 | 1,134.00000 |
| Ethylene dichloride (EDC; 1,2-Dichloroethane) | 107-06-2 | 34.20000 | 12.00000 | 22.20000 |
| 1,2-Dichloroethane (Ethylene dichloride; EDC) | 107-06-2 | 34.20000 | 12.00000 | 22.20000 |
| Ethylene chlorohydrin | 107-07-3 | 1,077.00000 | 662.00000 | 415.00000 |
| Acrylonitrile | 107-13-1 | 13.10000 | 12.00000 | 1.10000 |
| Chloromethyl methyl ether (CMME) | 107-30-2 | 1.22000 | 0.05000 | 1.17000 |
| Acetic anhydride | 108-24-7 | 4,912.00000 | 4,436.00000 | 476.00000 |
| n-Butylamine | 109-73-9 | 4,892.00000 | 3,332.00000 | 1,560.00000 |
| Cellosolve (2-Ethoxyethanol; EGEE) | 110-80-5 | 4,336.00000 | 3,280.00000 | 1,056.00000 |
| Ethylene glycol monoethyl ether (2-Ethoxyethanol; EGEE; cellosolve) | 110-80-5 | 4,336.00000 | 3,280.00000 | 1,056.00000 |
| 2-Ethoxyethanol (Ethylene glycol monoethyl ether; EGEE; cellosolve) | 110-80-5 | 4,336.00000 | 3,280.00000 | 1,056.00000 |
| EGEE (2-Ethoxyethanol; Ethylene glycol monoethyl ether; cellosolve) | 110-80-5 | 4,336.00000 | 3,280.00000 | 1,056.00000 |
| Bis(2-ethyl hexyl) phthalate (Diethyl hexyl phthalate) | 117-81-7 | 1,176.00000 | 125.00000 | 1,051.00000 |
| Diethyl hexyl phthalate (Bis(2-ethyl hexyl) phthalate; Di-sec-octyl phthalate; DEHP) | 117-81-7 | 1,176.00000 | 125.00000 | 1,051.00000 |
| tert-Butyl chromate, as Cr | 1189-85-1 | 0.07400 | 0.05000 | 0.02400 |
| Borates, tetra, sodium salts, decahydrate | 1303-96-4 | 1,176.00000 | 368.00000 | 808.00000 |
| Potassium hydroxide | 1310-58-3 | 654.00000 | 442.00000 | 212.00000 |
| Sodium hydroxide | 1310-73-2 | 654.00000 | 442.00000 | 212.00000 |
| Methyl ethyl ketone peroxide | 1338-23-4 | 472.00000 | 336.00000 | 136.00000 |
| Phenazopyridine and phenazopyridine hydrochloride | 136-40-3 | 18.10000 | 12.00000 | 6.10000 |
| m-Xylene-alpha,alpha'-diamine | 1477-55-0 | 32.70000 | 22.00000 | 10.70000 |
| Chromyl chloride, as Cr | 14977-61-8 | 0.07400 | 0.05000 | 0.02400 |
| Ethylidene norbornene | 16219-75-3 | 6,000.00000 | 5,550.00000 | 450.00000 |
| Terphenyls | 26140-60-3 | 1,635.00000 | 1,114.00000 | 521.00000 |
| 2,4-Diaminoanisole sulfate | 39156-41-7 | 240.00000 | 125.00000 | 115.00000 |
| Cyanogen chloride | 506-77-4 | 247.00000 | 137.00000 | 110.00000 |
| Bis(chloromethyl) ether (BCME) and technical grade | 542-88-1 | 1.22000 | 0.05000 | 1.17000 |
| Carbon tetrachloride | 56-23-5 | 59.20000 | 12.00000 | 47.20000 |
| Methyl iodide (Iodomethane) | 74-88-4 | 2,732.00000 | 125.00000 | 2,607.00000 |
| Iodomethane (Methyl iodide) | 74-88-4 | 2,732.00000 | 125.00000 | 2,607.00000 |
| Molybdenum, as Mo, metal and insoluble compounds | 7439-98-7 | 2,353.00000 | 1,829.00000 | 524.00000 |
| Platinum (metal) | 7440-06-4 | 235.00000 | 0.73000 | 234.27000 |
| Tin, metal, oxides and inorganic compounds, except tin hydride, as Sn | 7440-31-5 | 471.00000 | 37.00000 | 434.00000 |
| Tungsten, as W, metal and insoluble compounds | 7440-33-7 | 1,176.00000 | 368.00000 | 808.00000 |
| Propylene oxide | 75-56-9 | 240.00000 | 125.00000 | 115.00000 |
| Iodine | 7553-56-2 | 340.00000 | 221.00000 | 119.00000 |
| Boron trifluoride | 7637-07-2 | 907.00000 | 662.00000 | 245.00000 |
| Hydrogen chloride (Hydrochloric acid; Muriatic acid) | 7647-01-0 | 1,777.00000 | 1,556.00000 | 221.00000 |
| Muriatic acid (Hydrogen chloride; Hydrochloric acid) | 7647-01-0 | 1,777.00000 | 1,556.00000 | 221.00000 |
| Hydrochloric acid (Hydrogen chloride; Muriatic acid) | 7647-01-0 | 1,777.00000 | 1,556.00000 | 221.00000 |
| Hydrogen fluoride (Hydrofluoric acid) | 7664-39-3 | 803.00000 | 557.00000 | 246.00000 |
| Thionyl chloride | 7719-09-7 | 1,592.00000 | 1,114.00000 | 478.00000 |
| Sulfur tetrafluoride | 7783-60-0 | 145.00000 | 88.00000 | 57.00000 |
| Chlorine trifluoride | 7790-91-2 | 124.00000 | 88.00000 | 36.00000 |
| Isophorone | 78-59-1 | 6,000.00000 | 5,550.00000 | 450.00000 |
| Hexachlorobutadiene | 87-68-3 | 50.20000 | 46.00000 | 4.20000 |
| Nitrotoluene (mixtures and isomers) | 88-72-2 | 2,639.00000 | 37.00000 | 2,602.00000 |
| o-Toluidine and o-toluidine hydrochloride and mixed isomers | 95-53-4 | 17.40000 | 12.00000 | 5.40000 |
Last Revised: Wednesday January 09 2008
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