Western Australian Current Regulations Western Australian Current Regulations This Subdivision
applies to a mine (a relevant mine ) if —
(a)
minerals or radioactive materials that have an activity concentration of
radioactivity of 1 Bqg ‑1 or more are mined at the mine; and
(b)
either —
(i)
workers at the mine are likely to receive doses of
radiation, arising from mining operations at the mine, in excess of an
effective dose of 1 millisievert per year; or
(ii)
members of the public at, or in the vicinity of, the mine
are likely to receive doses of radiation, arising from mining operations at
the mine, in excess of one‑half of the effective dose set out in
subparagraph (i).