Noun
A thick, black, tarry liquid, obtained by the distillation of bituminous coal in the manufacture of illuminating gas; used for making printer's ink, black varnish, etc. It is a complex mixture from which many substances have been obtained, especially hydrocarbons of the benzene or aromatic series.
Source: Webster's dictionarycoal-tar
The Occupational Safety and Health Administration (OSHA) has set the legal limit ( permissible exposure limit ) for coal tar pitch volatiles exposure in the workplace as 0.2 mg/m 3 benzene -soluble fraction over an 8-hour workday. Source: Internet
People can be exposed to coal tar pitch volatiles in the workplace by breathing them in, skin contact, or eye contact. Source: Internet
Have used coal tar creams, soaps and solutions in the past to no avail. Source: Internet
It was discovered when a researchers was working on coal tar derivatives. Source: Internet
In 1865 the first "PCB-like" chemical was discovered, and was found to be a byproduct of coal tar. Source: Internet
Kippers were originally dyed using a coal tar dye called Brown FK (the FK is an abbreviation of "For Kippers"), Kipper Brown or Kipper Dye. Source: Internet