GMD_Banned_Construction_Materials_List_Oct2014.pdf

UNITED STATES DEPARTMENT OF COMMERCE

National Oceanic and Atmospheric Administration Office of Oceanic and Atmospheric Research Earth System Research Laboratory 325 Broadway – David Skaggs Research Center Boulder, Colorado 80303-3337

Banned Construction Materials List (Current as of October 2014)

• Chlorofluorocarbons (CFCs):

Used as refrigerants, solvents, foam blowing agents, aerosol propellants, and heat exchange medium (no longer manufactured in the U.S.)

Molecule: Name: Commonly known as:

CCl3F trichlorofluoromethane CFC-11, R-11, Freon-11 CCl2F2 dichlorodifluoromethane CFC-12, R-12, Freon-12 CClF3 chlorotrifluoromethane CFC-13, R-13, Freon-13 CCl2FCClF2 trichlorotrifluoroethane CFC-113, R-113, Freon-113 CClF2CClF2 1,2-dichlorotetrafluoroethane CFC-114, R-114 CClF2CF3 1-chloro-1,1,2,2,2-pentafluoroethane CFC-115, R-115

• Hydrochlorofluorocarbons (HCFCs):

Used as refrigerants, solvents, foam blowing agents, aerosol propellants, and heat exchange medium Molecule: Name: Commonly known as:

CHCl2F dichlorofluormethane HCFC-21, R-21 CHClF2 chlorodifluoromethane HCFC-22, R-22 CF3CHClF chlorotetrafluoroethane HCFC-124, R-124 CCl2FCH3 dichlorofluoroethane HCFC-141b, R-141b CClF2CH3 chlorodifluoroethane HCFC-142b, R-142b

• Hydrofluorocarbons (HFCs):

Used as refrigerants, foam blowing agents, and aerosol propellants Molecule: Name: Commonly known as:

CF3CH2F tetrafluoroethane HFC-134a, R-134a CH3CHF2 difluoroethane HFC-152a, R-152a CHF3 fluoroform HFC-23, R-23, Freon-23 C2H3F3 trifluoroethane HFC-143a, R-143a CF3CHF2 pentafluoroethane HFC-125, R-125, Freon-125 CF3CH2CF3 1,1,1,3,3,3-hexafluoropropane HFC-236fa, R-236fa CF3CH2CF2CH3 pentafluorobutane HFC-265mfc, R-265mfc C3HF7 heptafluoropropane HFC-227ea, R-227ea CH2F2 difluoromethane HFC-32, R-32

• Or any refrigerants containing these chemicals, such as R-404a, R-507a, R-410a, R-407c

• Perfluorinated Compounds (PFCs):

Used in production of Teflon and related fluorinated polymers, also been used to confer stain-resisting properties to fabrics

Molecule: Name: Commonly known as:

CF4 tetrafluoromethane carbon tetrafluoride, PFC-14 C2F6 hexafluoroethane carbon hexafluoride, PFC-116 C3F8 octafluoropropane R218, PFC-218

• Halons:

Used in fire suppression and extinguishing systems Molecule: Name: Commonly known as:

CBrClF2 bromochlorodifluoromethane halon-1211 CBrF3 bromotrifluormethane halon-1301 CBrF2CBrF2 1,2-dibromotetrafluoroethane halon-2402, R-114B2

• Chlorocarbons:

Used as solvents, cleaning agents, degreasing agents, and in other less common applications Molecule: Name: Commonly known as:

CH3Cl chloromethane methyl chloride CH2Cl2 dichloromethane methylene chloride CHCl3 trichloromethane chloroform CCl4 tetrachloromethane carbon tetrachloride CH3CCl3 trichloroethane methyl chloroform C2Cl4 tetrachloroethene perchloroethene C2HCl3 trichloroethylene trike, TCE, R-1120

• Bromocarbons:

Molecule: Name: Commonly known as:

CH3Br bromomethane methyl bromide CH2Br2 dibromomethane methylene bromide CHBr3 tribromomethane bromoform

• Hydrocarbons:

Used predominantly as a combustible fuel source Molecule: Name: Commonly known as:

C2H2 acetylene acetylene C2H6 ethane ethane C3H8 propane propane C4H10 butanes isobutane, n-butane C5H12 pentanes isopentane, n-pentane C6H14 hexane hexane, n-hexane C7H8 methylbenzene toluene

• Iodocarbons:

CH3I iodomethane methyl iodide

• Others:

N2O nitrous oxide nitrous, laughing gas SF6 sulfur hexafluoride (in electric transformers) COS carbonyl sulfide carbonyl sulfide C6H6 benzene benzene SO2F2 sulfuryl fluoride vikane

Typical construction applications for these banned compounds include: “blue-board” and “pink-board” insulation sheets (most contain HCFCs), blown foam insulation containing prohibited chemicals as ingredients and/or propellants, solvents/sealants/adhesives using prohibited chemicals (examples include glues, caulks, paints, paint thinner, liquid nail, etc).