Solid mineral fuels. Guidance on the sampling of coal seams
Solid mineral fuels. Guidance on the sampling of coal seams
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1 Scope This document provides guidance on methods for taking samples from coal seams in the ground, whether from exploration areas or tenements, or from operating underground or open-cut mines. The following methods are described:
a) sampling of small or large diameter holes;
b) drill cuttings sampling;
c) open-cut slot sampling;
d) adit, drift or shaft sampling;
e) pillar sampling;
f) channel sampling;
g) strip sampling.
This document does not apply to sampling from moving streams in production or any other source of coal that is not in situ . Recommendations are made for selection and preparation of the sampling site, and methods are described for taking both small and bulk samples , and for preparing the samples for transport.
NOTE Annex A gives an example of a channel sample record form that can be used to record sampling and other...
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