Accuracy of underground gas measurement tested

A PROCEDURE has been developed as part of an ACARP project to test the impact that extended core sample recovery time has on the accuracy of gas content measurement in underground coal mines.

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Accuracy of underground gas measurement tested Accuracy of underground gas measurement tested Accuracy of underground gas measurement tested Accuracy of underground gas measurement tested Accuracy of underground gas measurement tested

The results demonstrate variability in measured gas content.

The results of testing on core samples collected from 13 separate locations among four Australian underground coal mines showed no evidence of "lost gas" and associated significant error in measured