(a) You must report any hazardous chemical for which you are required to prepare or have available an MSDS (or SDS) under OSHA HCS that is present at your facility equal to or above the applicable threshold specified in § 370.10. (Specific exemptions from reporting are in § 370.13.)

(b) The EPA has not issued a list of hazardous chemicals subject to reporting under this part. A substance is a hazardous chemical if it is required to have an MSDS (or SDS) and meets the definition of hazardous chemical under the OSHA regulations found at 29 CFR 1910.1200(c).