Main fans for all underground metal
and nonmetal gassy mines must have pressure-recording systems. The
fans are required to be examined daily while operating if persons
are underground. The pressure-recording systems indicate whether
the fans are in good operating condition. The pressure recordings
are required to be kept one year.
The number of responses,
respondents and hours decreased due to a decrease in the number of
mines. The slight increase in costs reflects the increase in
current market prices.
On behalf of this Federal agency, I certify that
the collection of information encompassed by this request complies
with 5 CFR 1320.9 and the related provisions of 5 CFR
1320.8(b)(3).
The following is a summary of the topics, regarding
the proposed collection of information, that the certification
covers:
(i) Why the information is being collected;
(ii) Use of information;
(iii) Burden estimate;
(iv) Nature of response (voluntary, required for a
benefit, or mandatory);
(v) Nature and extent of confidentiality; and
(vi) Need to display currently valid OMB control
number;
If you are unable to certify compliance with any of
these provisions, identify the item by leaving the box unchecked
and explain the reason in the Supporting Statement.