{"data":{"id":"us/40-cfr-721.10499","jurisdiction":"us","citation":"40 CFR 721.10499","heading":"Substituted silane, hydrolysis products with silica (generic).","body":"(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substances identified generically as substituted silane, hydrolysis products with silica (PMNs P-06-278 and P-06-281) are subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.\n(2) The significant new uses are:\n(i) Protection in the workplace. Requirements as specified in § 721.63(a)(1), (a)(2)(i), (a)(2)(iv), (a)(3), (a)(4), (b) (concentration set at 1.0 percent), and (c). The following National Institute for Occupational Safety and Health NIOSH-certified respirators with an assigned protection factor (APF) of at least 5 meet the requirements of § 721.63(a)(4): NIOSH-certified air-purifying, tight-fitting full-face respirator equipped with N100 (if oil aerosols absent), R100, or P100 filters; NIOSH-certified air-purifying respirator equipped with a loose-fitting hood or helmet and high efficiency particulate air (HEPA) filters; NIOSH-certified powered air-purifying respirator equipped with a tight-fitting facepiece (full-face) and HEPA filters; or NIOSH-certified supplied-air respirator operated in pressure demand or continuous flow mode and equipped with a hood or helmet, or tight-fitting facepiece (full-face).\n(ii) Industrial, commercial, and consumer activities. Requirements as specified in § 721.80 (j), (v)(1), (w)(1), and (x)(1).\n(b) Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph.\n(1) Recordkeeping. Recordkeeping requirements as specified in § 721.125(a) through (e) and (i) are applicable to manufacturers, importers, and processors of these substances.\n(2) Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.\n(3) Determining whether a specific use is subject to this section. The provisions of § 721.1725(b)(1) apply to paragraph (a)(2)(ii) of this section.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER R—TOXIC SUBSTANCES CONTROL ACT","PART 721—SIGNIFICANT NEW USES OF CHEMICAL SUBSTANCES","Subpart E—Significant New Uses for Specific Chemical Substances"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"90b6f1cc823b37fb98e1131e5ade6860943ebbf97bb433b457aff820557d7e22","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-721.10498","next":"us/40-cfr-721.10500"},"notice":"GroundRules: Original legal text. Not legal advice."}