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reports and worksheets, need only be retained for one (1) year so long as the sampling results,
the collection methodology (sampling plan), a description of the analytical and mathematical
methods used, and a summary of other background data relevant to interpretation of the results
1
obtained, are retained for at least thirty (30) years ; and
(B) Material safety data sheets and paragraph (c)(5)(iv) records concerning the identity of a
substance or agent need not be retained for any specified period as long as some record of the
identity (chemical name if known) of the substance or agent, where it was used, and when it
was used is retained for at least thirty (30) years ; and
1
(C) Biological monitoring results designated as exposure records by specific occupational
safety and health standards shall be preserved and maintained as required by the specific
standard.

(iii) Analyses using exposure or medical records. Each analysis using exposure or medical records
shall be preserved and maintained for at least thirty (30) years.

(2) Nothing in this section is intended to mandate the form, manner, or process by which an
employer preserves a record so long as the information contained in the record is preserved and
retrievable, except that chest X-ray films shall be preserved in their original state.

(e) Access to records

(1) General.

(i) Whenever an employee or designated representative requests access to a record, the employer
shall assure that access is provided in a reasonable time, place, and manner. If the employer
cannot reasonably provide access to the record within fifteen (15) working days, the employer
shall within the fifteen (15) working days apprise the employee or designated representative
requesting the record of the reason for the delay and the earliest date when the record can be
made available.

(ii) The employer may require of the requester only such information as should be readily known
to the requester and which may be necessary to locate or identify the records being requested (e.g.
dates and locations where the employee worked during the time period in question).

(iii) Whenever an employee or designated representative requests a copy of a record, the employer
shall assure that either:

(A) A copy of the record is provided without cost to the employee or representative,

(B) The necessary mechanical copying facilities (e.g., photocopying) are made available
without cost to the employee or representative for copying the record, or

(C) The record is loaned to the employee or representative for a reasonable time to enable a
copy to be made.

1 Material safety data sheets must be kept for those chemicals currently in use that are effected by
the Hazard Communication Standard in accordance with 29 CFR 1910.1200(g).

66