Section 63.1321 - Batch process vents provisions(a)Batch process vents. Except as specified in paragraphs (b) through (d) of this section, owners and operators of new and existing affected sources with batch process vents shall comply with the requirements in §§ 63.1322 through 63.1327 . The batch process vent group status shall be determined in accordance with § 63.1323 . Owners or operators of batch process vents classified as Group 1 shall comply with the reference control technology requirements for Group 1 batch process vents in § 63.1322 , the monitoring requirements in § 63.1324 , the performance test methods and procedures to determine compliance in § 63.1325 , the recordkeeping requirements in § 63.1326 , and the reporting requirements in § 63.1327 . Owners or operators of all Group 2 batch process vents shall comply with the applicable reference control technology requirements in § 63.1322 , the applicable recordkeeping requirements in § 63.1326 , and the applicable reporting requirements in § 63.1327 .(b)New SAN batch affected sources. Owners and operators of new SAN affected sources using a batch process shall comply with the requirements of § 63.1322 through § 63.1327 for batch process vents and aggregate batch vent streams except as specified in paragraphs (b)(1) through (b)(2) of this section. For continuous process vents, owners and operators shall comply with the requirements of § 63.1322 through § 63.1327 except as specified in paragraph (b)(3) of this section.(1) For batch process vents, the determination of group status (i.e., Group 1/Group 2) under § 63.1323 is not required.(2) For batch process vents and aggregate batch vent streams, the control requirements for individual batch process vents or aggregate batch vent streams (e.g., 90 percent emission reduction) as specified in § 63.1322(a)(1), (a)(2), (b)(1), and (b)(2) shall not apply.(3) Continuous process vents using a control or recovery device to comply with § 63.1322(a)(3) are subject to the applicable requirements in § 63.1315(a) , as appropriate, except as specified in paragraphs (b)(3)(i) and (b)(3)(ii) of this section. (i) Said continuous process vents are not subject to the group determination procedures of § 63.115 for the purposes of this subpart.(ii) Said continuous process vents are not subject to the reference control technology provisions of § 63.113 for the purposes of this subpart.(c)Aggregate batch vent streams. Aggregate batch vent streams, as defined in § 63.1312 , are subject to the control requirements specified in § 63.1322(b) , as well as the monitoring, testing, recordkeeping, and reporting requirements specified in §§ 63.1324 through 63.1327 for aggregate batch vent streams.(d) Owners and operators of affected sources producing ASA/AMSAN shall comply with the provisions of § 63.1315(e) .61 FR 48229, Sept. 12, 1996, as amended at 64 FR 11549, Mar. 9, 1999; 65 FR 38112, June 19, 2000