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167 • Obtaining a Relative Response Factor
Some abbreviations that appear in the table are:
• ZR-No response
• NV-Cannot be measured
Table 7: Response Factors Relative to Isobutylene
Gas/ VOC CAS No. Formula Relative
Response
Acetaldehyde 75-07-0 C2H4O 4.9
Acetic Acid 64-17-7 C2H4O2 36
Acetic Anhydride 108-24-7 C4H6O3 4
Acetone 67-64-1 C3H6O 0.7
Acetonitrile 75-05-8 CH3CN ZR
Acetylene 74-86-2 C2H2 ZR
Acrolein 107-02-8 C3H4O 4
Acrylic Acid 79-10-7 C3H4O2 2.7
Acrylonitrile 107-13-1 C3H3N ZR
Allyl alcohol 107-18-6 C3H6O 2.1
Allyl chloride 107-05-1 C3H5Cl 4.5
Ammonia 7664-41-7 NH3 8.5
Amyl acetate, n- 628-63-7 C7H14O2 1.8
Amyl alcohol 71-41-0 C5H12O 3.2
Aniline 62-53-3 C6H7N 0.5
Anisole 100-66-3 C7H8O 0.5
Arsine 7784-42-1 AsH3 2.5
Asphalt, petroleum fumes 8052-42-4 1
Benzaldehyde 100-52-7 C7H6O 0.9
Benzene 71-43-2 C6H6 0.5
Benzenethiol 108-98-5 C6H5SH 0.7
Benzonitrile 100-47-0 C7H5N 0.7
Benzyl alcohol 100-51-6 C7H8O 1.3
Benzyl chloride 100-44-7 C7H7Cl 0.6
Benzyl formate 104-57-4 C8H8O2 0.8
Biphenyl 92-52-4 C12H10 0.4
Bis(2,3-epoxypropyl) ether 7/5/38 C6H10O3 3
Boron trifluoride 7637 07 2 BF3 ZR
Bromine 7726-95-6 Br2 20
Bromine pentafluoride 7789-30-2 BrF5 ZR
Bromobenzene 108-86-1 C6H5Br 0.7
Bromochloromethane 74-97-5 CH2ClBr ZR
Bromoethane 74-96-4 C2H5Br 5
Bromoethyl methyl ether, 2- 6482-24-2 C3H7OBr 2.5
Bromoform 75-25-2 CHBr3 2.8
Bromopropane, 1- 106-94-5 C3H7Br 1.3
Bromotrifluoromethane 75-63-8 CF3Br ZR
Butadiene 106-99-0 C4H6 0.8
Butadiene diepoxide, 1,3- 1464-53-5 C4H6O2 4