Reference Source

background data to environmental (workplace) monitoring or measuring, such as laboratory reports and worksheets

For background data to environmental (workplace) monitoring or measuring, such as laboratory reports and worksheets, regulation is 29 CFR 1910.1020; regulator / programme is OSHA; retention period is one (1) year; who it binds is each employer; exceptions and notes is only if the sampling results, the collection methodology (sampling plan), a description of the analytical and mathematical methods used, and a summary of other relevant background data are retained for at least thirty (30) years, recorded from its source on 2026-08-11.

Regulation
29 CFR 1910.1020 verified
Regulator / programme
OSHA our reading
Record type
background data to environmental (workplace) monitoring or measuring, such as laboratory reports and worksheets verified
Retention period
one (1) year verified
Who it binds
each employer
Exceptions and notes
only if the sampling results, the collection methodology (sampling plan), a description of the analytical and mathematical methods used, and a summary of other relevant background data are retained for at least thirty (30) years verified
Sourceecfr.gov
Verified
Review by
DatasetHow long federal regulations require records to be kept: retention periods, what starts the clock, and who they bind

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Background data to environmental (workplace) monitoring or measuring, such as laboratory reports and worksheets, need only be retained for one (1) year as 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 obtained, are retained for at least thirty (30) years

ecfr.gov, retrieved 2026-08-11

Source

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