Group 1 Storage Vessels at Existing Sources

Table 5 to Subpart G of Part 63—Group 1 Storage Vessels at Existing Sources Vessel capacity (cubic meters) Vapor pressure a (kilopascals) 75 ≤ capacity <151 b b ≥13.1 38 ≤ capacity <151 c c ≥6.9 151 ≤ capacity ≥5.2 a Maximum true vapor pressure of total organic HAP at storage temperature. b For each source as defined in § 63.101, beginning no later than the compliance dates specified in § 63.100(k)(10), these vessel capacity and vapor pressure criterion no longer apply. c For each source as defined in § 63.101, beginning no later than the compliance dates specified in § 63.100(k)(10), these vessel capacity and vapor pressure criterion apply. [89 FR 43215, May 16, 2024]