Section 721.10444 - Propanol, mercapto-(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as propanol, mercapto- (PMN P-01-499; CAS No. 63947-56-8) 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)Protection in the workplace. Requirements as specified in § 721.63(a)(1), (a)(3), (b) (concentration set at 1.0 percent), and (c).(ii)Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) (N = 11).(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) through (e) and (k) 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. 77 FR 58692 , Sept. 21, 2012