Standard Practice for
Preparation of Contaminated Test Coupons for the
Evaluation of Cleaning Agents1
This standard is issued under the fixed designation G 121; 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.
click below Astm G 121 – 98 pdf free download
click here Astm G 120 – 01 pdf free download
