40 CFR § 721.10018 - Calcium hydroxide oxide silicate (Ca6(OH)2O2(Si2O5)3).
(a) Chemical substance and significant new uses subject to reporting.
(1) The chemical substance identified as calcium hydroxide oxide silicate (Ca6(OH)2O2(Si2O5)3) (PMN P–01–442; CAS No. 13169–90–9) 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 are:
(i) Industrial, commercial, and consumer activities. Requirements as specified in § 721.80 (f), (j) (use other than as filler to reinforce resins, additive for resins, and filter medium), (v)(1), and (x)(1).
(ii) [Reserved]
(b) Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph.
(1) Recordkeeping. Recordkeeping requirements as specified in § 721.125 (a), (b), (c), and (i) are applicable to manufacturers, importers, and processors of this substance.
(2) Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.