La. Admin. Code tit. 33 § III-2157

Current through Register Vol. 50, No. 6, June 20, 2024

Section III-2157 - Applicability

A. The requirements of LAC 33:III.2158 shall apply to all regulated VOC emitting processes employing a control system except as provided below.

B. If a source installs a PTE that meets the requirements in 40 CFR, Part 51, Appendix M, Method 204, and which directs all VOC to a control device, the capture efficiency is assumed to be 100 percent, and the source is exempted from the requirements described in LAC 33:III.2158. This does not exempt a source from performance of any control device efficiency testing required under these or any other regulations. In addition, a source must demonstrate all criteria for a PTE are met during the testing for control efficiency.

C. If a source uses a control device designed to collect and recover VOC (e.g., carbon adsorber), an explicit measurement of capture efficiency is not necessary if the conditions given below are met. The overall control of the system can be determined by directly comparing the input liquid VOC (L) to the recovered liquid VOC. The general procedure for use in this situation is given in 40 CFR 60.433 with the following additional restrictions.

1. The source must be able to equate solvent usage with solvent recovery on a 24-hour (daily) basis, rather than a 30-day weighted average as given in 40 CFR 60.433. This must be done within 72 hours following each 24-hour period. In addition, one of the following two criteria must be met:

a. the solvent recovery system (i.e., capture and control system) must be dedicated to a single process line (e.g., one process line venting to a carbon adsorber system); or

b. if the solvent recovery system controls multiple process lines, the source must be able to demonstrate that the overall control (i.e., the total recovered solvent VOC divided by the sum of liquid VOC input to all process lines venting to the control system) meets or exceeds the most stringent standard applicable for any process line venting to the control system.

La. Admin. Code tit. 33, § III-2157

Promulgated by the Department of Environmental Quality, Office of Air Quality and Radiation Protection, Air Quality Division, LR 17:653 (July 1991), amended LR 22:1212 (December 1996), LR 23:1679 (December 1997), amended by the Office of Environmental Assessment, Environmental Planning Division, LR 27:1223 (August 2001).

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:2054.