Louisiana Administrative Code › Title 33 - ENVIRONMENTAL QUALITY › Part III - Air › Chapter 21 - Control of Emission of Organic Compounds › Subchapter N - Method 43-Capture Efficiency Test Procedures › Section III-2158 - Specific Requirements

Current through Register Vol. 50, No. 6, June 20, 2024
A. The
				  capture efficiency of a process line shall be measured using one of the four
				  protocols given in Subsection C of this Section.
B. Any error margin associated with a test
				  protocol may not be incorporated into the results of a capture efficiency
				  test.
C. Any affected source must
				  use one of the following four protocols to measure capture efficiency, unless a
				  suitable alternative protocol is approved by the administrative authority*.
1. Gas/Gas Method Using TTE. The
				  specifications to determine whether a temporary enclosure is considered a TTE
				  are given in  40 CFR, Part 51, Appendix M, Method 204, Section 5. The capture
				  efficiency equation to be used for this protocol is:
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					 Image
CE = capture efficiency, decimal fraction
Gw = mass of VOC captured and delivered to control device
					 using a TTE
Fw = mass of fugitive VOC that escapes from a TTE
NOTE:  40 CFR, Part 51, Appendix M, Method 204C, Section 9
					 is used to obtain Gw.  40 CFR, Part 51, Appendix M, Method 204D, Section 9 is
					 used to obtain Fw.
2.
				  Liquid/Gas Method Using TTE. The specifications to determine whether a
				  temporary enclosure is considered a TTE are given in  40 CFR, Part 51, Appendix
				  M, Method 204, Section 5. The capture efficiency equation to be used for this
				  protocol is:
Click Here To View
					 Image
CE = capture efficiency, decimal fraction
L = mass of liquid VOC input to process
F = mass of fugitive VOC that escapes from a TTE
NOTE:  40 CFR, Part 51, Appendix M, Method 204, Section
					 A.10 is used to obtain L.  40 CFR, Part 51, Appendix M, Method 204D, Section 9
					 is used to obtain F.
3.
				  Gas/Gas Method Using the Building or Room (BE) in which the Affected Source is
				  Located as the Enclosure and in which G and F are Measured while Operating only
				  the Affected Facility. All fans and blowers in the building or room must be
				  operated as they would under normal production. The capture efficiency equation
				  to be used for this protocol is:
Click Here To View
					 Image
CE = capture efficiency, decimal fraction
G = mass of VOC captured and delivered to a control
					 device
FB = mass of fugitive VOC that
					 escapes from building enclosure
NOTE:  40 CFR, Part 51, Appendix M, Method 204C, Section 9
					 is used to obtain G.  40 CFR, Part 51, Appendix M, Method 204E, Section 9 is
					 used to obtain FB.
4. Liquid/Gas Method Using the Building or
				  Room (BE) in which the Affected Source is Located as the Enclosure and in which
				  L and F are Measured while Operating only the Affected Facility. All fans and
				  blowers in the building or room must be operated as they would under normal
				  production. The capture efficiency equation to be used for this protocol is:
Click Here To View
					 Image
CE = capture efficiency, decimal fraction
L = mass of liquid VOC input to process
FB = mass of fugitive VOC that
					 escapes from building enclosure