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Nonconfidential List of TSCA Section 5(e) New Chemical Exposure Limits (NCELs)

Non-Confidential List of NCELs (end of 2011)
PMN Case # Chemical Identity NCEL
(8-hour time weighted average)
P-84-0105 (G) Halogenated alkene 104 (mg/m3)
P-84-0106 (G) Halogenated alkanes 14.5 (mg/m3)
P-84-0107 (G) Halogenated alkanes 156 (mg/m3)
P-84-0660 Benzene, ethenyl-, ar-bromo derivs. [CAS# 125904-11-2] 0.3 (ppm)
P-84-0704 Benzene, (2-bromoethyl)-, ar-bromo derivs. [CAS# 125904-10-1] 0.3 (ppm)
P-85-0433 1-Propanol, 3-mercapto- [CAS# 19721-22-3] 0.5 (ppm)
P-87-1881 1,4-Cyclohexanediamine, cis- 0.2 (ppm)
P-87-1882 1,4-Cyclohexanediamine, trans- 0.2 (ppm)
P-89-0867 (G) Halogenated phenyl alkane 2 (mg/m3)
P-89-1058 Propanoic acid, 2-2-dimethyl-, ethenyl ester [CAS# 3377-92-2] 5.24 (mg/m3)
P-90-1384 (G) Ethoxy benzothiazole disulfide 7.5 (mg/m3)
P-90-1564 Hexanedioic acid, diethyl ester [CAS# 4074-90-2] 1 (mg/m3)
P-90-1840 (G) Aromatic aminoether 0.03 (mg/m3)
P-91-0222 Pentanenitrile, 3-amino- [CAS# 754105-06-0] 0.15 (ppm)
P-91-0826 Hexanoic acid, 2-ethyl, ethenyl ester [CAS# 94-04-2] 6.96 (mg/m3)
P-92-0129 Neononanoic acid, ethenyl ester [CAS# 54423-67-5] 1 (mg/m3)
P-92-0776 (G) Carboxylic acid glycidyl ester 0.4 (mg/m3)
P-92-0777 (G) Carboxylic acid glycidyl ester 0.4 (mg/m3)
P-93-0214 Calcium, bis(2,4-pentanedionato-O,O') [CAS# 19372-44-2] 4 (mg/m3)
P-93-1694 3-(Dichloroacetyl)-5-(2-furanyl)-2,2-dimethyloxazolidine [CAS# 121776-57-6] 0.1 (mg/m3)
P-94-1557 (G) Hydrated alkaline earth metal salts of metalloid oxyanions 5 (mg/m3)
P-95-1098 (G) Tris carbamoyl triazine 1 (mg/m3)
P-95-1411 (G) Substituted malonic acid, bis(substituted monoheterocycle) ester 0.3 (mg/m3)
P-96-0019 (G) Lithiated metal oxide 0.05 (mg/m3)
P-96-0033 Cyclopropanecarboxaldehyde [CAS# 1489-69-6] 3 (mg/m3)
P-96-0942 Methanone, [5-[[3-(2H-benzotriazol-2-yl)-2-hydroxy-5-(1,1,3,3- tetramethylbutyl)phenyl]methyl]-2-hydroxy-4- (octyloxy)phenyl)phenyl- [CAS# 162245-07-0] 0.1 (mg/m3)
P-96-1427 (G) Stilbene diglycidyl ether 0.5 (mg/m3)
P-96-1428 (G) Modified polyisocyanates 0.5 (mg/m3)
P-97-0415 2-Thiazolidinone [CAS# 2682-49-7] 0.7 (mg/m3)
P-97-0482 Fatty acids, C10-13-branched, vinyl esters [CAS# 184785-38-4] 1 (mg/m3)
P-97-0648 Benzenamine, 3,5-difluoro- [CAS# 372-39-4] 0.4 (mg/m3)
P-97-0649 Hydrazine carboxamide, N-(3,5diflurophenyl-) [CAS# 167412-23- 9] 0.4 (mg/m3)
P-97-0766 (G) Organic synthesis intermediate 0.001 (mg/m3)
P-97-1011 Oxirane,2,2'-[methylenebis[(2,6-dimethyl-4,1-phenylene)oxymethylene]]bis- [CAS# 93705-66-9] 0.35 (mg/m3)
P-98-0002 (G) Mixed metal oxides 0.05 (mg/m3)
P-98-0105 (G) Cycloaliphatic epoxy resin 0.3 (mg/m3)
P-98-0823 12-aminododecanoic acid [CAS# 693-57-2] 1 (mg/m3)
P-98-1274 (G) Silicoaluminophosphates, comd. with organic amine (P98- 1274) 0.1 (mg/m3)
P-98-1275 Aluminosilicates, phospho- [CAS# 201167-69-3] (P98- 1275) 0.1 (mg/m3)
P-99-0510 (G) Hexamethylenediamine adduct of substituted piperidinyloxy 0.2 (mg/m3)
P-99-0847 (G) Mixed metal oxide 0.1 (mg/m3)
P-00-0368 (G) Benzenesulfonamide alkylphenylsubstitutedphenylsubstitutedcarbonyl- 2.1 (mg/m3)
P-01-0764 Magnesium potassium titanium oxide 5 (mg/m3)
P-01-0918 (G) Substituted methoxysilane 0.05 (mg/m3)
P-02-0214 Lithium potassium titanium oxide 5 (mg/m3)
P-04-0640 (G) Diisocyanate terminated polycarbodiimide 0.05 (mg/m3)
P-06-0036 Rutile, tin zinc, calcium-doped [CAS# 389623-01-2] 1.5 (mg/m3)
P-06-0037 Rutile, tin zinc, sodium-doped [CAS# 389623-07-8] 1.5 (mg/m3)
P-06-0149 Potassium titanium oxide 1.5 (mg/m3)
P-06-0173 Lithium titanium oxide 1.5 (mg/m3)
P-06-0702 (G) Substituted aliphatic amine 0.14 (mg/m3)
P-07-0310 (G) Halogenated diketopyrrolopyrrol derivative 1 (mg/m3)
P-07-0312 (G) Hexahydrophthalic anhydride, bisphenol-A, polymer with chloromethyl oxirane 1 (mg/m3)
P-07-0537 (G) Alkanenitrile, bis(cyanoalkyl)amino 0.07 (mg/m3)
P-07-0706 (G) Phosphonic acid ester 1 (mg/m3)
P-08-0088 (G) Perfluorodioxyalkonic acid salt 0.01 (mg/m3)
P-08-0508 (G) Perfluorinated aliphatic carboxylic acid 0.01 (mg/m3)
P-08-0509 (G) Perfluorinated aliphatic carboxylic acid, ammonium salt 0.01 (mg/m3)
P-09-0291 (G) Ammonium salt of fluorinated alkoxyfluoropropanoic acid 0.01 (mg/m3)
P-10-0326 Propane, 1,1,1,2,3,3-hexafluoro- [CAS# 431-63-0] 3 (ppm)
P-10-0327 1-Propene, 1,2,3,3,3-pentafluoro- [CAS# 2252-83-7] 3 (ppm)
P-10-0422 Propane, 1,1,1,2,3-pentafluoro- [CAS# 431-31-2] 3 (ppm)
P-10-0455 Propane, 1,1,1,2,3,3-hexafluoro- [CAS# 431-63-0] 3 (ppm)
P-10-0457 Propane, 1,1,1,2,3-pentafluoro- [CAS#431-31-2] 3 (ppm)
P-10-0489 1-Propene, 1,2,3,3,3-pentafluoro- [CAS# 2252-83-7] 3 (ppm)
P-11-0049 (G) Alkyl phosphonic acid amine salt 3.5 (mg/m3)
P-11-0050 (G) Alkyl phosphonic acid amine salt 10 (mg/m3)

(G) = Generic Description of Confidential Chemical Identity

NOTE: The table linked from this page is intended to reflect legal requirements contained in TSCA section 5(e) Orders and/or section 5(a)(2) Significant New Use Rules (SNURs). This document, however, is for informational purposes only and is NOT itself legally operative, binding, or enforceable. Any discrepancies should be resolved in favor of the corresponding section 5(e) Order or section 5(a)(2) SNUR.


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