(a) Purpose. This subpart establishes the EPA process for conducting a risk evaluation to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment as required under TSCA section 6(b)(4)(B) (15 U.S.C. 2605(b)(4)(B)). (b)

mixture. (c) Studies of the following preparations of a substance must be reported as studies of the substance itself, not as studies of mixtures known to contain the substance. (1) The substance in aqueous solution. (2) The substance containing a small amount of an additive, such as a stabilizer, emulsifier, or other chemical added for purposes of maintaining the integrity or physical form of the

§720.50(a) will be published. In addition, for test data submitted in accordance with §720.40(g), a summary of the data will be published. (4) The submitter's identity will be published, unless the submitter has claimed it confidential.

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substances identified as 2-propenoic acid, polymer with 2-propenamide, ammonium salt (PMN P-00-0333; CAS No. 55554-55-7) and generically as salt of an acrylate copolymer (PMN P-00-0334) are subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as alcohols, C6-12, ethoxylated, reaction product with maleic anhydride (PMN P-88-1108) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as 2-propanol, 1,1′-iminobis-, N-tallow alkyl derivs., hydrochlorides (PMN P-96-1426; CAS No. 1078715-59-9) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses

-94-1246) are subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses are: (i) Release to water. Requirements as specified in §721.90 (a)(1), (b)(1), and (c)(1). (ii

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as an alkoxylated alkyl amine (PMN P-01-578) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section. (2) The significant new uses are: (i)

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as alkyl dialkylamino phenylsulfonyl alkenoate (PMN P-00-0816) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section. (2) The significant new uses are:

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as sulfonyl azide intermediate (PMN P-99-1202) is subject to reporting under this section for the significant new use described in paragraph (a)(1) of this section. (2) The significant new uses are: (i

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance bis(imidoethylene)benzene (PMN P-93-1447) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses are: (i)

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as benzene, 2-bromo-1,4-dimethoxy- (PMN P-95-17, CAS No. 25245-34-5) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses are:

(a) Chemical substances and significant new uses subject to reporting. (1) The chemical substances identified generically as [(dinitrophenyl)azo]-[2,4-diamino-5-methoxybenzene] derivatives (P-83-817 and P-83-818) are subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as benzenesulfonic acid, dodecyl-, branched, compds. with N,N-dimethyl-1,3-propanediamine (2:1) (PMN P-90-456; CAS No. 319926-68-6) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance benzenesulfonic acid, 4-methyl-, reaction products with oxirane mono[(C10-16-alkyloxy)methyl] derivatives and 2,2,4(or 2,4,4)-trimethyl-1,6-hexanediamine (PMN P-93-1047, CAS no. 147170-38-5) is subject to reporting under this section for the

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as substituted benzenesulfonic acid (PMN P-99-1304) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section. (2) The significant new uses are: (i

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as disulfonic acid rosin amine salt of a benzidine derivative (PMN P-87-1337) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses are:

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance generically identified as benzoic acid, 3-amino-, diazotized, coupled with 6-amino-4-hydroxy-2-naphthalenesulfonic acid, diazotized, (3-amino-phenyl)phosphonic acid and diazotized 2,5-diethoxybenzenamine (PMN P-96-1216; CAS No. 163879-69-4) is subject to reporting under this section for the

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as a substituted benzophenone (PMN P-02-262) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section. (2) The significant new uses are: (i)

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as a disubstituted benzenedicarboxylic acid (PMN P-01-77) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section. (2) The significant new uses are:

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as acetamide, N-[2-[2-(2-bromo-6-cyano-4-nitrophenyl)diazenyl]-5-(diethylamino)phenyl]- (PMN P-95-514; CAS No. 2537-62-4) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as a diphenylmethane diisocyanate (MDI) modified (PMN P-92-294) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses are:

(a) Chemical substances and significant new uses subject to reporting. (1) The chemical substances identified as alkylated sulfonated diphenyl oxide, alkali salt (PMN P-93-352) and alkylated sulfonated diphenyl oxide, amine salt (PMN P-93-353) are subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.

(a) Chemical substances and significant new uses subject to reporting. (1) The chemical substances identified generically as polyisobutene epoxide (PMNs P-99-951 and P-99-952) are subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses are:

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as an epoxy resin containing phosphorus (PMN P-00-912) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section. (2) The significant new uses are:

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as 2-propenoic acid, 2-(phenylthio)ethyl ester (PMN P-96-824; CAS No. 95175-38-5) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new uses are:

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as boric acid (H3BO3), zinc salt (2 = 3) (PMN P-97-552; CAS No. 10192-46-8) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as boric acid (H3BO2), zinc salt (PMN P-97-553; CAS No. 14720-55-9) are subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as 1H-indene-2-carboxylic acid, 5-chloro-2,3-dihydro-1-oxo-, methyl ester (PMN P-00-966; CAS No. 65738-56-9) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. (2) The significant new

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as sulfuric acid, mono-C9-11-alkyl esters, sodium salts (PMN P-01-149; CAS No. 84501-49-5) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section.