§ 71.208. Respirable dust samples; report to operator; posting.
241 words·~1 min read·
/us/cfr/t30/s§ 71.208·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 DWP at 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; and
(6)The reason for voiding any sample.
(b)Upon receipt, the operator shall post this data for at least 31 days on the mine bulletin board.
(c)If using a CPDM, the person certified in sampling shall, within 12 hours after the end of each sampling shift, print, sign, and post on the mine bulletin board a paper record (Dust Data Card) of each sample run. 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 DWP at the mine from which the samples were 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; and
(5)The shift length.
(d)The information required by paragraph
(c)of this section shall remain posted until receipt of the MSHA report covering these respirable dust samples.