GroundRules
40 CFR Table 3 to Subpart JJJ of Part 63: Table 3 to Subpart JJJ of Part 63—Group 1 Storage Vessels at Existing Affected Sources Producing the Listed Thermoplastics
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
- Subpart JJJ—National Emission Standards for Hazardous Air Pollutant Emissions: Group IV Polymers and Resins
Thermoplastic Chemical a Vessel capacity (cubic meters) Vapor pressure b (kilopascals)
ASA/AMSAN c styrene/acrylonitrile mixture ≥3.78 ≥0.47
acrylonitrile ≥75.7 ≥1.62
Polystyrene, continuous processes all chemicals <75.7 ≥14.2
≥75.7
≥1.9
Nitrilec acrylonitrile ≥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).
Collected 2026-08-27T02:26:04Z. Source file · JSON