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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

ASTM D 7520
Standard Test Method for Determining the Opacity of a Plume in the Outdoor Ambient Atmosphere

Edition 2016

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

ASTM D 7520 Standard Test Method for Determining the Opacity of a Plume in the Outdoor Ambient Atmosphere

Want to learn more?

ASTM D 7520
Standard Test Method for Determining the Opacity of a Plume in the Outdoor Ambient Atmosphere