Colophony is a natural substance used in the manufacture of many industrial
products. In terms of occupational exposure skin contact but especially in
halation during soldering (flux agent) play an important role. An atmospher
ic limit value is so far lacking. In the past, however, the measurement of
key components was suggested. The described convention was approved by the
participants (listed at the end of the article) of the meeting of European
OHS institutes in 1999 in Ljubljana, Slovenia, which takes place every two
years.