Help the Government of Canada organize its website!

Complete an anonymous 5-minute questionnaire. Start now.

Volatile Organic Compound Definition

Volatile Organic Compound (VOC) means any VOC that participates in atmospheric photochemical reactions, excluding the following:

  1. (a) methane;
  2. (b) ethane;
  3. (c) methylene chloride (dichloromethane);
  4. (d) 1,1,1-trichloroethane (methyl chloroform);
  5. (e) 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113);
  6. (f) trichlorofluoromethane (CFC-11);
  7. (g) dichlorodifluoromethane (CFC-12);
  8. (h) chlorodifluoromethane (HCFC-22);
  9. (i) trifluoromethane (HFC-23);
  10. (j) 1,2-dichloro 1,1,2,2-tetrafluoroethane (CFC-114);
  11. (k) chloropentafluoroethane (CFC-115);
  12. (l) 1,1,1-trifluoro 2,2-dichloroethane (HCFC-123);
  13. (m) 1,1,1,2-tetrafluoroethane (HFC-134a);
  14. (n) 1,1-dichloro 1-fluoroethane (HCFC-141b);
  15. (o) 1-chloro 1,1-difluoroethane (HCFC-142b);
  16. (p) 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124);
  17. (q) pentafluoroethane (HFC-125);
  18. (r) 1,1,2,2-tetrafluoroethane (HFC-134);
  19. (s) 1,1,1-trifluoroethane (HFC-143a);
  20. (t) 1,1-difluoroethane (HFC-152a);
  21. (u) parachlorobenzotrifluoride (PCBTF);
  22. (v) cyclic, branched or linear completely methylated siloxanes;
  23. (w) acetone;
  24. (x) perchloroethylene (tetrachloroethylene);
  25. (y) 3,3-dichloro-1,1,1,2,2-pentafluoropropane (HCFC-225ca);
  26. (z) 1,3-dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb);
  27. (z.1) 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC 43-10mee);
  28. (z.2) difluoromethane (HFC-32);
  29. (z.3) ethylfluoride (HFC-161);
  30. (z.4) 1,1,1,3,3,3-hexafluoropropane (HFC-236fa);
  31. (z.5) 1,1,2,2,3-pentafluoropropane (HFC-245ca);
  32. (z.6) 1,1,2,3,3-pentafluoropropane (HFC-245ea);
  33. (z.7) 1,1,1,2,3-pentafluoropropane (HFC-245eb);
  34. (z.8) 1,1,1,3,3-pentafluoropropane (HFC-245fa);
  35. (z.9) 1,1,1,2,3,3-hexafluoropropane (HFC-236ea);
  36. (z.10) 1,1,1,3,3-pentafluorobutane (HFC-365mfc);
  37. (z.11) chlorofluoromethane (HCFC-31);
  38. (z.12) 1 chloro-1-fluoroethane (HCFC-151a);
  39. (z.13) 1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a);
  40. (z.14) 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxy-butane (C4F 9OCH3);
  41. (z.15) 2-(difluoromethoxymethyl)-1,1,1,2,3,3,3-heptafluoropropane ((CF3)2CFCF2OCH3);
  42. (z.16) 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane (C4F9OC2H5);
  43. (z.17) 2-(ethoxydifluoromethyl)-1,1,1,2,3,3,3-heptafluoropropane ((CF3)2CFCF2OC2H5); and
  44. (z.18) methyl acetate and perfluorocarbon compounds that fall into the following classes, namely,
    1. cyclic, branched or linear completely fluorinated alkanes,
    2. cyclic, branched, or linear completely fluorinated ethers with no unsaturation,
    3. cyclic, branched or linear completely fluorinated tertiary amines with no unsaturation, and
    4. sulfur containing perfluorocarbons with no unsaturation and with sulfur bonds only to carbon and fluorine.