ACID ROCK
DRAINAGE PREDICTION MANUAL
Mine Environment Neutral Drainage at CANMET-MMSL |
MEND Project 1.16.lb
March 1991
EXECUTIVE
SUMMARY
Waste rock
materials from mining, mineral processing and related operations,
which contain sulphide minerals such as pyrite, have the potential
to be the source of acidic contamination in the environment. Such
contamination is termed acid rock drainage (ARD). The testing of
waste materials can be carried out to provide data so that ARD can
be predicted and controlled and to facilitate the implementation
of cost effective waste management practices. Numerous laboratory
and field test procedures to assess or predict the generation of
ARD are in use or have been proposed. This Manual gives background
information on ARD generation and its prediction and provides a
guide to the components necessary for carrying out and implementing
a prediction program. Detailed descriptions of recommended prediction
procedures are provided. Alternative procedures are also presented.
For each prediction method, the objectives, test principles, equipment
and reagent requirements, test procedure, interpretation and reporting
of results, advantages and disadvantages, are described. A selected
bibliography and list of references is included. The development
of new test procedures and revisions to existing procedures is ongoing.
The Manual is designed to allow the inclusion of revisions and updates
to registered subscribers.
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