Polystyrene—extruded boardstock, billet, and extruded sheet
For Polystyrene, sector/subsector is Polystyrene—extruded boardstock, billet, and extruded sheet; restriction type is manufacture/import; maximum gwp is 150; effective date is January 1, 2025; conditions is foam products, recorded from its source on 2026-08-06.
- Sector/subsector
- Polystyrene—extruded boardstock, billet, and extruded sheet verified
- Restriction type
- manufacture/import our reading
- Maximum GWP
- 150 verified
- Effective date
- January 1, 2025 verified
- Conditions
- foam products verified
- CFR paragraph
- § 84.54(a)(14)(iv) our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 150 or greater: ( i ) Rigid polyurethane appliance foam, commercial refrigeration foam, laminated boardstock, marine flotation foam, sandwich panels, and slabstock; ( ii ) Flexible polyurethane; ( iii ) Integral skin polyurethane; ( iv ) Polystyrene—extruded boardstock, billet, and extruded sheet;
— ecfr.gov, retrieved 2026-08-06
Source
- ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84