Source: https://www.ecfr.gov/cgi-bin/text-idx?mc=true&node=ap40.14.63_15610.3&rgn=div9
Timestamp: 2020-07-13 05:27:56
Document Index: 483560294

Matched Legal Cases: ['§63', '§63', 'art.\n8', '§63', '§63', '§63', '§63', '§63', '§63', '§63', '§63', '§63', 'art.\n12', '§63', '§63', '§63']

1. the sum of all viscose process vents a. each existing cellulose food casing operation i. reduce total uncontrolled sulfide emissions (reported as carbon disulfide) by at least 25 percent based on a 6-month rolling average;
iii. comply with the work practice standard for closed-vent systems (1) the average uncontrolled total sulfide emissions, determined during the month-long compliance demonstration or using engineering assessments, are reduced by at least 25 percent;
(2) you have a record of the range of operating parameter values over the month-long compliance demonstration during which the average uncontrolled total sulfide emissions were reduced by at least 25 percent;
b. each new cellulose food casing operation i. reduce total uncontrolled sulfide emissions (reported as carbon disulfide) by at least 75 percent based on a 6-month rolling average;
iii. comply with the work practice standard for closed-vent systems. (1) the average uncontrolled total sulfide emissions, determined during the month-long compliance demonstration or using engineering assessments, are reduced by at least 75 percent;
(2) you have a record of the range of operating parameter values over the month-long compliance demonstration during which the average uncontrolled total sulfide emissions were reduced by at least 75 percent;
c. each existing rayon operation i. reduce total uncontrolled sulfide emissions (reported as carbon disulfide) by at least 35 percent within 3 years after the effective date based on a 6-month rolling average; for each vent stream that you control using a control device, route the vent stream through a closed-vent system to the control device; and comply with the work practice standard for closed-vent systems; and (1) the average uncontrolled total sulfide emissions, determined during the month-long compliance demonstration or using engineering assessments, are reduced by at least 35 percent within 3 years after the effective date;
(2) you have a record of the average operating parameter values over the month-long compliance demonstration during which the average uncontrolled total sulfide emissions were reduced by at least 35 percent;
ii. reduce total uncontrolled sulfide emissions (reported as carbon disulfide) by at least 40 percent within 8 years after the effective date based on a 6-month rolling average; for each vent stream that you control using a control device, route the vent stream through a closed-vent system to the control device; and comply with the work practice standard for closed-vent systems. (1) the average uncontrolled total sulfide emissions, determined during the month-long compliance demonstration or using engineering assessments, are reduced by at least 40 percent within 8 years after the effective date;
(2) you have a record of the average operating parameter values over the month-long compliance demonstration during which the average uncontrolled total sulfide emissions were reduced by at least 40 percent;
d. each new rayon operation i. reduce total uncontrolled sulfide emissions (reported as carbon disulfide) by at least 75 percent; based on a 6-month rolling average;
(2) you have a record of the average operating parameter values over the month-long compliance demonstration during which the average uncontrolled total sulfide emissions were reduced by at least 75 percent;
e. each existing or new cellulosic sponge operation i. reduce total uncontrolled sulfide emissions (reported as carbon disulfide) by at least 75 percent based on a 6-month rolling average;
f. each existing or new cellophane operation i. reduce total uncontrolled sulfide emissions (reported as carbon disulfide) by at least 75 percent based on a 6-month rolling average;
2. the sum of all solvent coating process vents a. each existing or new cellophane operation i. reduce uncontrolled toluene emissions by at least 95 percent based on a 6-month rolling average;
iii. comply with the work practice standard for closed-vent systems. (1) the average uncontrolled toluene emissions, determined during the month-long compliance demonstration or using engineering assessments, are reduced by at least 95 percent;
(2) you have a record of the average operating parameter values over the month-long compliance demonstration during which the average uncontrolled toluene emissions were reduced by at least 95 percent;
3. the sum of all cellulose ether process vents a. each existing or new cellulose ether operation using a performance test to demonstrate initial compliance; or i. reduce total uncontrolled organic HAP emissions by at least 99 percent;
iii. comply with the work practice standard for closed-vent systems. (1) average uncontrolled total organic HAP emissions, measured during the performance test or determined using engineering estimates are reduced by at least 99 percent;
(2) you have a record of the average operating parameter values over the performance test during which the average uncontrolled total organic HAP emissions were reduced by at least 99 percent; and
(3) you comply with the initial compliance requirements for closed-vent systems.
b. each existing or new cellulose ether operation using a material balance compliance demonstration to demonstrate initial compliance i. reduce total uncontrolled organic HAP emissions by at least 99 percent based on a 6-month rolling average;
iii. comply with the work practice standard for closed-vent systems. (1) average uncontrolled total organic HAP emissions, determined during the month-long compliance demonstration or using engineering estimates are reduced by at least 99 percent;
(2) you have a record of the average operation parameter values over the month-long compliance demonstration during which the average uncontrolled total organic HAP emissions were reduced by at least 99 percent;
4. closed-loop systems each existing or new cellulose ether operation operate and maintain the closed-loop system for cellulose ether operations. you have a record certifying that a closed-loop system is in use for cellulose ether operations.
5. each carbon disulfide unloading and storage operation a. each existing or new viscose process affected source i. reduce uncontrolled carbon disulfide emissions by at least 83 percent from unloading and storage operations based on a 6-month rolling average if you use an alternative control technique not listed in this table for carbon disulfide unloading and storage operations; if using a control device to reduce emissions, route emissions through a closed-vent system to the control device; and comply with the work practice standard for closed-vent systems; (1) you have a record documenting the 83-percent reduction in uncontrolled carbon disulfide emissions; and
ii. reduce uncontrolled carbon disulfide by at least 0.14 percent from viscose process vents based on a 6-month rolling average; for each vent stream that you control using a control device, route the vent stream through a closed-vent system to the control device; and comply with the work practice standard for closed-vent systems; (1) you comply with the initial compliance requirements for viscose process vents at existing or new cellulose food casing, rayon, cellulosic sponge, or cellophane operations, as applicable;
(2) the 0.14-percent reduction must be in addition to the reduction already required for viscose process vents at existing or new cellulose food casing, rayon, cellulosic sponge, or cellophane operations, as applicable; and
iv. install a nitrogen unloading system; reduce uncontrolled carbon disulfide by at least 0.045 percent from viscose process vents based on a 6-month rolling average; for each vent stream that you control using a control device, route the vent stream through a closed-vent system to the control device; and comply with the work practice standard for closed-vent systems. (1) you have a record certifying that a nitrogen unloading system is in use;
(3) the 0.045-percent reduction must be in addition to the reduction already required for viscose process vents at cellulose food casing, rayon, cellulosic sponge, or cellophane operations, as applicable; and
6. each toluene storage vessel a. each existing or new cellophane operation i. reduce uncontrolled toluene emissions by at least 95 percent based on a 6-month rolling average;
ii. comply with the applicable equipment leak standards of §§63.1021 through 63.1027. you comply with the applicable requirements described in the Initial Compliance Status Report provisions of §63.1039(a), except that references to the term “process unit” mean “cellulose ether process unit” for the purposes of this subpart.
8. all sources of wastewater emissions each existing or new cellulose ether operation comply with the applicable wastewater provisions of §63.105 and §§63.132 through 63.140. you comply with the applicability and Group 1/Group 2 determination provisions of §63.144 and the initial compliance provisions of §§63.105 and 63.145.
9. liquid streams in open systems each existing or new cellulose ether operation comply with the applicable provisions of §63.149, except that references to “chemical manufacturing process unit” mean “cellulose ether process unit” for the purposes of this subpart. you install emission suppression equipment and conduct an initial inspection according to the provisions of §§63.133 through 63.137.
10. closed-vent system used to route emissions to a control device a. each existing or new affected source i. conduct annual inspections, repair leaks, and maintain records as specified in §63.148. (1) you conduct an initial inspection of the closed-vent system and maintain records according to §63.148;
ii. secure the bypass line valve in the closed position with a car-seal or lock-and-key type configuration and inspect the seal or closure mechanism at least once per month as specified in §63.148(f)(2) you have record documenting that you have secured the bypass line valve as specified in Table 1 to this subpart.
12. heat exchanger system that cools process equipment or materials in the process unit a. each existing or new affected source i. monitor and repair the heat exchanger system according to §63.104(a) through (e), except that references to “chemical manufacturing process unit” mean “cellulose food casing, rayon, cellulosic sponge, cellophane, or cellulose ether process unit” for the purposes of this subpart. (1) you determine that the heat exchanger system is exempt from monitoring requirements because it meets one of the conditions in §63.104(a)(1) through (6), and you document this finding in your Notification of Compliance Status Report; or
(2) if your heat exchanger system is not exempt, you identify in your Notification of Compliance Status Report the HAP or other representative substance that you will monitor, or you prepare and maintain a site-specific plan containing the information required by §63.104(c)(1)(i) through (iv) that documents the procedures you will use to detect leaks by monitoring surrogate indicators of the leak.
[85 FR 39998, July 2, 2020]