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

(1) The chemical substance identified as titanate [Ti6O13 (2-)], dipotassium (PMN P-90-226; SNUNs P-96-1408, S-08-6, S-09-4, and S-13-49; CAS No. 12056-51-8)) 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 (f) and (l). In addition, a significant new use of the substance is importation of the chemical substance if:

(A) Manufactured by other than the method described in premanufacture notice P-90-226 and significant new use notices P-96-1408, S-08-6, S-09-4, and S-13-49.

(B) Manufactured producing respirable, acicular fibers with an average aspect ratio of greater than 5. The average aspect ratio is defined as the ratio of average length to average diameter.

(ii) [Reserved]

(b) Specific requirements. The provisions of subpart A of this part apply to this section.

(1) Recordkeeping. The following recordkeeping requirements are applicable to manufacturers and processors of this substance as specified in §721.125 (a), (b), (c) and (i).

(2) Limitations or revocation of certain notification requirements. The provisions of §721.185 apply to this significant new use rule.

(3) Determining whether a specific use is subject to this section. The provisions of §721.1725(b)(1) apply to this section.

[56 FR 40215, Aug. 13, 1991. Redesignated and amended at 58 FR 29946, 29947, May 24, 1993; 58 FR 34204, June 23, 1993; 80 FR 70175, Nov. 13, 2015]