
SECTION 1: Applicability Criteria
opacity limits for your facility. Refer to Subpart OOO to determine whether the federal regulations apply to your facility and, if so, the appropriate opacity limit. Nonmetallic Mineral Processing Plants Guidance Page 3 of 6 Performance Tests Initial performance tests for visible emissions: Any NMMPP that is subject to the additional federal regulations of 40 CFR 60 Subpart OOO must conduct ...