Describes procedures suitable for the taking of samples from hard coal seams in underground and open cut mines, by pillar sampling, channel sampling, strip sampling or variations on these methods. It does not apply to sampling from drill cores, production conveyor belts or other run-of-mine productions. Appendices describe procedures for determination of seam thickness and give an example of a form for recording sampling data.
AS 2617-1983 History
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$20.00 $40.26
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$20.00 $40.00
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