Pierre River Mine Project

GLOSSARY
aquatic Growing, living in or frequenting water. Also, occurring or situated in or
on water.
aquifer A water-saturated, permeable body of rock capable of transmitting
significant or usable quantities of groundwater to wells and springs under
ordinary hydraulic gradients.
ARM The abbreviation for ambient ratio method.
ASRD The abbreviation for Alberta Sustainable Resource Development.
bank cubic metre A cubic metre of material in place.
basal aquifer Permeable rock, deep below the surface, that is saturated with water.
Base Case The existing environmental conditions and the environmental effects of
existing and approved developments that might overlap with the
environmental impacts of the proposed projects.
baseline A surveyed or predicted condition that serves as a reference point on which
later surveys are coordinated or correlated.
bbl The abbreviation for barrel.
bbl/cd The abbreviation for barrels per calendar day.
bcm The abbreviation for bank cubic metres.
benthic invertebrates Invertebrate organisms living at, in or in association with, the bottom
(benthic) substrate of lakes, ponds and streams.
BIP The abbreviation for bitumen in place.
bitumen A naturally occurring viscous mixture, mainly of hydrocarbons heavier
than pentane, that might contain sulphur compounds and that, in its
naturally occurring state, will not flow to a well.
blowdown The act of emptying or depressurizing material in a vessel.
bog A peat-covered area or peat-filled wetland, generally with a high water
table.
C,C&R Plan The abbreviation for Closure, Conservation and Reclamation Plan.
CALPUFF The California Puff air quality dispersion model, which predicts
concentrations and deposition fluxes of air quality parameters.
CCME The abbreviation for Canadian Council of Ministers of the Environment.
cd The abbreviation for calendar day.
GL-2 Shell Canada Limited April 2010
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