Measurement Methods

Section 217 Section 217.101  Measurement Methods Measurement of nitrogen oxides must be according to: a)         The phenol disulfonic acid procedures, 40 CFR 60, Appendix A-4, Method 7, as incorporated by reference in Section 217.104; b)         Continuous emissions monitoring pursuant to 40 CFR 75, as incorporated by reference in Section 217.104; c)         Determination of Nitrogen Oxides Emissions from Stationary Sources (Instrumental Analyzer Procedure), 40 CFR 60, Appendix A-4, Method 7E, as incorporated by reference in Section 217.104; d)         Monitoring with portable monitors pursuant to ASTM D6522-20 , as incorporated by reference in Section 217.104; and e)         How do I conduct the initial and subsequent performance tests (for turbines), regarding NO x pursuant to 40 CFR 60.4400, as incorporated by reference in Section 217.104.