Excerpts
alternative ANSI/ASME PTC 19.10-1981, Flue and Exhaust Gas Analyses [Part 10, Instruments and Apparatus] must be used (incorporated by reference, see paragraph (z) of this section); and
(ii) For oxygen (or carbon dioxide), EPA Reference Method 3A of 40 CFR part 60, appendix A-2, or as an alternative ANSI/ASME PTC 19.10-1981, Flue and Exhaust Gas Analyses [Part 10, Instruments and Apparatus], as applicable, must be used (incorporated by reference, see paragraph (z) of this section).
(2) The span value of the CEMS at the inlet to the sulfur dioxide control