Work Item: ASTM WK45487 -
Revision of D7520 - 13 Standard Test Method for Determining the Opacity of a Plume in the Outdoor Ambient Atmosphere
Active Standard: D7520 - 13
Developed by Subcommittee: D22.03 | Committee D22 | Contact Staff Manager
Modernize ASTMD7520 to current state of the art.
digital camera; digital image; digital still camera; opacity;
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