POLLUTION ABATEMENT - 1970 to 1977

Prior to 1970, the only Provincial Legislation respect-
ing the environment as applicable to Cassiar's

operations was:

a) Health Act, 1960.
b) Mines Regulation Act, 1967.

c) Pollution Control Act, 1967.

‘Of these, only the Mines Regulation Act had a specific

bearing on Mine-milling operations. This Act did not
include the specific Regulations or Objectives now

associated with the Pollution Control Act, 1967.

The Pollution Control Act, 1967, required registration
of discharges of comecienants by January 1970 >(for these
onto land and into water), and by January 1971 for those
ee air. This registration was in effect a preliminary
to Application for Permit. Although some data had been
gathered prior to 1970 on pollution from the Cassiar
operation, it has only been in the present decade

that monitoring equipment has been developed to more
fully evaluate pollution levels. Within this same period
improved pollution control equipment has also become
available to reduce pollutant discharges to lower levels

than had previously been possible.

Experimental programs were developed at the Cassiar

site. Two particularly notable achievements were the