WASTE WATER PARAMETERS

Abbreviations:

a)

"pH": acidity;

b)

"BOC": biochemical oxygen consumption in 5 days at 20C;

c)

"COC": the chemical oxygen consumption;

d)

"CCl4 extractable substances": the level of non-polar hydrocarbons extractable with carbon tetrachloride;

e)

"PCB": polychlorinated biphenyls;

f)

"T.O.C.": the level of totally organic carbon;

g)

"T.O.X.": the level of totally organically bound halogen, expressed in chlorine;