• To work out where
a chemical is likely to
be found in the
environment its physico-chemical
properties need to be looked at.
• Sources of information include:
MSDS, CRC-Rubber Handbook, Gmelin,
Chemical Abstracts (SciFinder Scholar)
• Information to be looked at includes:
state, mp., bp., pvap, KSP, KOW, KH, Eo1/2, LC50...
• Sources of
chemicals into the
environment include:
Point sources eg. sewerage
discharge
Diffuse
sources
eg. NO3- fertiliser
run-off