Pierre River Mine Project

GLOSSARY
mitigation The process of rectifying an impact by repairing, rehabilitating or restoring
the affected environment, or the process of compensating for the impact by
replacing or providing substitute resources or environments.
mm The metric symbol for millimetre.
Mm 3 The metric symbol for millions of cubic metres.
modelling A simplified representation of a relationship or system of relationships.
Modelling involves calculation techniques used to make quantitative
estimates of an output parameter based on its relationship to input
parameters. The input parameters influence the value of the output
parameters.
monitoring The process of measuring continuously, or at intervals, a condition that
must be kept within set limits.
Mt The metric symbol for millions of tonnes.
Mt/a The metric symbol for millions of tonnes per annum.
muskeg A thick deposit of partially decayed vegetable matter of wet boreal regions.
N/A The abbreviation for not applicable.
NAD The abbreviation for North American Datum.
NIA The abbreviation for Noise Impact Assessment.
NNLP The abbreviation for No Net Loss Plan.
NO2 The chemical formula for nitrogen dioxide.
NOx The chemical formula for oxides of nitrogen.
NST The abbreviation for non-segregating tailings.
nutrients Environmental substances, such as nitrogen or phosphorous, that are
necessary for the growth and development of plants and animals.
oil sands An unconsolidated, porous sand formation or sandstone containing or
impregnated with petroleum or hydrocarbons.
OLM The abbreviation for ozone limiting method.
OMOE The abbreviation for Ontario Ministry of the Environment.
orebody A solid and fairly continuous mass of ore, which may include low-grade
ore and waste as well as pay ore, but is individualized by form or character
from adjoining country rock.
GL-8 Shell Canada Limited April 2010
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