30 CFR § 75.339
Seals records.
(a) The table entitled ``Seal Recordkeeping Requirements'' lists
records the operator shall maintain and the retention period for each
record.
Table--§ 75.339(a) Seal Recordkeeping Requirements
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Record Section reference Retention time
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(1) Approved seal design...... 75.335(c)(1)..... As long as the seal
is needed to serve
the purpose for
which it is built.
(2) Certification of 75.335(c)(2)..... As long as the seal
Provisions of Approved Seal is needed to serve
Design is Addressed. the purpose for
which it is built.
(3) Gas sampling records...... 75.336(e)(2)..... 1 year.
(4) Record of examinations.... 75.337(c)(5)..... 1 year.
(5) Certification of seal 75.337(d)........ As long as the seal
construction, installation, is needed to serve
and materials. the purpose for
which it is built.
(6) Certification of Training 75.338(a)........ 2 years.
for Persons that Sample.
(7) Certification of Training 75.338(b)........ 2 years.
for Persons that Perform Seal
Construction and Repair.
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(b) Records required by § § 75.335, 75.336, 75.337 and
75.338 shall be retained at a surface location at the mine in a secure
book that is not susceptible to alteration. The records may be retained
electronically in a computer system that is secure and not susceptible
to alteration, if the mine operator can immediately access the record
from the mine site.
(c) Upon request from an authorized representative of the Secretary
of Labor, the Secretary of Health and Human Services, or from the
authorized representative of miners, mine operators shall promptly
provide access to any record listed in the table in this section.
(d) Whenever an operator ceases to do business or transfers control
of the mine to another entity, that operator shall transfer all records
required to be maintained by this part, or a copy thereof, to any
successor operator who shall maintain them for the required period.
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