§ 90.209. Respirable dust samples; report to operator.
277 words·~1 min read·
/us/cfr/t30/s§ 90.209·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)MSHA shall provide the operator, as soon as practicable, a report with the following data on respirable dust samples submitted or whose results were transmitted electronically, if using a CPDM, in accordance with this part:
(1)The mine identification number;
(2)The locations within the mine from which the samples were taken;
(3)The concentration of respirable dust, expressed as an equivalent concentration for each valid sample;
(4)The average equivalent concentration of respirable dust for all valid samples;
(5)The occupation code;
(6)The reason for voiding any sample; and
(7)The part 90 miner's MSHA Individual Identification Number (MIIN).
(b)Upon receipt, the operator shall provide a copy of this report to the part 90 miner. The operator shall not post the original or a copy of this report on the mine bulletin board.
(c)If using a CPDM, the person certified in sampling shall print, sign, and provide to each part 90 miner, a paper record (Dust Data Card) of the sample run within one hour after the start of the part 90 miner's next work shift. This hard-copy record shall include the data entered when the sample run was first programmed, and the following:
(1)The mine identification number;
(2)The location within the mine from which the sample was taken;
(3)The concentration of respirable dust, expressed as an equivalent concentration reported and stored for each sample;
(4)The sampling status conditions encountered for each sample;
(5)The shift length; and
(6)The part 90 miner's MSHA Individual Identification Number (MIIN).
(d)The operator shall not post data on respirable dust samples for part 90 miners on the mine bulletin board.