ASTM E 1971 – 98 pdf free download - Civil Engineers Standards

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.