1. Regulations
  2. title 40
  3. chapter I-i12
  4. part 63
  5. subpart JJJ
  6. appendix-i 2

- Table 3 to Subpart JJJ of Part 63—Group 1 Storage Vessels at Existing Affected Sources Producing the Listed Thermoplastics

Thermoplastic Chemical aVessel capacity (cubic meters) Vapor pressure b (kilopascals) ASA/AMSAN cstyrene/acrylonitrile mixture≥3.78≥0.47 acrylonitrile≥75.7≥1.62 Polystyrene, continuous processesall chemicals<75.7≥14.2 ≥75.7 ≥1.9 Nitrile cacrylonitrile≥13.25≥1.8

a Vessel capacity and vapor pressure criteria are specific to the listed chemical or to “all chemicals,” as indicated.

b Maximum true vapor pressure of total organic HAP at storage temperature.

c The applicability criteria in Table 2 of this subpart shall be used for chemicals not specifically listed in this table (i.e., Table 3).

[64 FR 11553, Mar. 9, 1999]

AUTHORITY: 42 U.S.C. 7401

SOURCE: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.