(a) Chemical substance and significant new uses subject to reporting.

(1) The chemical substance identified generically as hydroxystyrene resin (PMN P-16-376) 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) Industrial, commercial, and consumer activities. Requirements as specified in §721.80. It is a significant new use to manufacture the PMN substance with an average molecular weight less than 2906 daltons and to have greater than 0.5 percent low weight molecular species less than 500 daltons and 1.0 percent low weight molecular species less than 1000 daltons.

(ii) [Reserved]

(b) Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph (b).

(1) Recordkeeping. Recordkeeping requirements as specified in §721.125(a) through (i) are applicable to manufacturers and processors of this substance.

(2) Limitations or revocation of certain notification requirements. The provisions of §721.185 apply to this section.

[84 FR 49037, Sept. 18, 2019]