Class of contaminants Specific examples Aerobic Anaerobic More potential sources
Chlorinated solvents Tri chloroethylene, Per chloroethylene   + Dry cleaners
Polychlorinated
bi phenyls
4-chlorobiphenyl,
4,4 di chlorobiphenyl
  + Electrical manufacturing
PowerStation
Chlorinated phenol
BTEX
Pentachlorophenol,bnzene
,Toulene,Ethyl
benzene,Xylene
+ +


+
Timber treatment Landfills,
Oil production and storage gas work sites, Airport paint manufacture, Port facilities, Railway yards, Chemical manufacture
Poly aromatic hydrocarbons
Pesticides
Naphthalene, Anthracene
Benzopyrene
Atrazine carbaryl
Carbofuran
Diazine
Glycophosphate
ParathionPropham2,4D
+


+
+ Oil production and storage gas work sites,
Coke plant engine works landfill,
Agriculture timber treatment plants,
Pesticides manufacture,
Recreational areas landfills
Table 1: Some contaminants potentially suitable for bio remediation.