Title 40

PART 82 APPENDIX Q



Appendix Q to Subpart G of Part 82 - Unacceptable Substitutes Listed in the March 28, 2007 Final Rule, Effective May 29, 2007

40:21.0.1.1.1.7.1.9.44 : Appendix Q

Appendix Q to Subpart G of Part 82 - Unacceptable Substitutes Listed in the March 28, 2007 Final Rule, Effective May 29, 2007

Foam Blowing Unacceptable Substitutes

End-use Substitute Decision Further information
- Rigid polyurethane commercial refrigeration
- Rigid polyurethane sandwich panels
- Rigid polyurethane slabstock and other foams
HCFC-22, HCFC-142b as substitutes for HCFC-141b Unacceptable 1
Closed cell foam products and products containing closed cell foams manufactured with these substitutes on or before December 1, 2017 may be used after that date
Alternatives exist with lower or zero-ODP.
- Rigid polyurethane and polyisocyanurate laminated boardstock
- Rigid polyurethane appliance
- Rigid polyurethane spray and commercial refrigeration, and sandwich panels
- Rigid polyurethane slabstock and other foams
- Polystyrene extruded insulation boardstock and billet
- Phenolic insulation board and bunstock
- Flexible polyurethane
- Polystyrene extruded sheet
HCFC-22, HCFC-142b as substitutes for CFCs Unacceptable 2
Closed cell foam products and products containing closed cell foams manufactured with these substitutes on or before December 1, 2017 may be used after that date
Alternatives exist with lower or zero-ODP.