§ 71.804 - Supplemental noise exposure survey; reports and certification.

(a) Where the certified results of an initial noise exposure survey conducted in accordance with § 71.802 or a periodic noise exposure survey conducted in accordance with § 71.803 indicate that any miner may be exposed to a noise exposure in excess of the permissible noise exposure, the operator shall conduct a supplemental noise exposure survey with respect to each miner whose noise exposure exceeds this standard. This survey shall be conducted within 15 days following notification to the operator by the Mine Safety and Health Administration to conduct such survey.

(b) Supplemental noise exposure surveys shall be conducted by taking noise exposure measurements in accordance with § 70.506 of this Subchapter O; however, noise exposure measurements shall be taken of each individual operation to which the miner under consideration is actually exposed during his normal work shift and the duration of each such exposure shall be recorded.

(c) Each operator shall report and certify the results of each supplemental noise exposure survey conducted in accordance with this section to the Mine Safety and Health Administration and the Department of Health and Human Services using the Coal Mine Noise Data Report Form to record noise level readings taken with respect to all operations during which such measurements were taken.

(d) Supplemental noise exposure surveys shall, upon completion, be mailed to:

(Pub. L. No. 96-511, 94 Stat. 2812 (44 U.S.C. 3501 et seq.))