30 CFR 56.6602 - Static electricity dissipation during loading.

§ 56.6602 Static electricity dissipation during loading.
When explosive material is loaded pneumatically into a blasthole in a manner that generates a static electricity hazard—
(a) An evaluation of the potential static electricity hazard shall be made and any hazard shall be eliminated before loading begins;
(b) The loading hose shall be of a semiconductive type, have a total of not more than 2 megohms of resistance over its entire length and not less than 1000 ohms of resistance per foot;
(c) Wire-countered hoses shall not be used;
(d) Conductive parts of the loading equipment shall be bonded and grounded and grounds shall not be made to other potential sources of extraneous electricity; and
(e) Plastic tubes shall not be used as hole liners if the hole contains an electric detonator.

Title 30 published on 2013-07-01

no entries appear in the Federal Register after this date.

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