For sources exempt from the feedrate limit for total chlorine and chloride under §63.1209(n)(4) because they comply with §63.1207(m)(2), the 2.I.7.b.2 feedrate limit for total chlorine and chloride to §63.1215(g)(2)(ii) ensure compliance with the annual average emission rate must be established as follows: The source must establish an average period for 2.I.7.b.2.a the feedrate that does not exceed an annual §63.1215(g)(2)(ii)(A) rolling average; The numerical value of the total chlorine and chloride feedrate limit (i.e., not considering the averaging period) must not exceed the value you calculate as the annual average HCl-equivalent 2.I.7.b.2.b §63.1215(g)(2)(ii)(B) emission rate limit (lb/hr) divided by [1 system − removal efficiency], where the system removal efficiency is calculated as prescribed by paragraph (f)(2) of this section. The source must calculate the initial rolling average as though you had selected a 12-hour rolling average, as provided by paragraph (b)(5)(i) of this section. The source must calculate rolling averages thereafter as the average of the available 2.I.7.b.2.c one-minute values enough one-minute §63.1215(g)(2)(ii)(C) values are available to calculate the rolling average period you select. At that time and thereafter, the source updates the rolling average feedrate each hour with a 60-minute average feedrate. Feedrate limit to ensure compliance with the 2.I.7.c §63.1215(g)(3) average HCl-equivalent emission rate limit.
2.I.7.b.2 For sources exempt from the feedrate limit for total chlorine and chloride under §63.1209(n)(4) because they comply with §63.1207(m)(2), the feedrate limit for total chlorine and chloride to ensure compliance with the annual average emission rate must be established as follows: §63.1215(g)(2)(ii) 2.I.7.b.2.a The source must establish an average period for the feedrate that does not exceed an annual rolling average; §63.1215(g)(2)(ii)(A) 2.I.7.b.2.b The numerical value of the total chlorine and chloride feedrate limit (i.e., not considering the averaging period) must not exceed the value you calculate as the annual average HCl-equivalent emission rate limit (lb/hr) divided by [1 − system removal efficiency], where the system removal efficiency is calculated as prescribed by paragraph (f)(2) of this section. §63.1215(g)(2)(ii)(B) 2.I.7.b.2.c The source must calculate the initial rolling average as though you had selected a 12-hour rolling average, as provided by paragraph (b)(5)(i) of this section. The source must calculate rolling averages thereafter as the average of the available one-minute values enough one-minute values are available to calculate the rolling average period you select. At that time and thereafter, the source updates the rolling average feedrate each hour with a 60-minute average feedrate. §63.1215(g)(2)(ii)(C) 2.I.7.c Feedrate limit to ensure compliance with the average HCl-equivalent emission rate limit. §63.1215(g)(3)
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