ASTM E 1971 – 98 pdf free download

Standard Guide for Stewardship for the Cleaning of Commercial and Institutional Buildings1

This standard is issued under the fixed designation E 1971; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

ASTM  E 1971 – 98 pdf free download

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ASTM E 1970 – 01 pdf free download

 

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