2010 April 13: ASTM Carbon Black Committee Creates Environment, Health, Safety Group April 13, 2010 // Published as a news service by IHS

2010 April 13: ASTM Carbon Black Committee Creates Environment, Health, Safety Group April 13, 2010 // Published as a news service by IHS


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ASTM International Committee D24 on Carbon Black created ASTM Subcommittee D24.66 on Environment, Health and Safety in response to new regulations and interest surrounding polyaromatic hydrocarbon content of carbon black.
New U.S. Environmental Protection Agency requirements to report greenhouse gas emissions from U.S. industry (including carbon black plants) and increased interest in the polyaromatic hydrocarbon content of carbon black, particularly in Europe, prompted the subcommittee’s formation, said ASTM.
ASTM Committee D24 chairman Ricky Magee said the committee already developed a standard related to environmental issues: ASTM D6602 – Practice for Sampling and Testing of Possible Carbon Black Fugitive Emissions or Other Environmental Particulate, or Both.
Magee said ASTM D6602, which will be moved from ASTM Subcommittee D24.81 on Carbon Black Microscopy and Morphology, covers sampling and testing to distinguish carbon black from other environmental particulates.
"More than 90% of particulate matter results from natural sources such as volcanoes, pollen and molds," said Magee. "The other particulates are man-made, most commonly from the burning of fossil fuels. Since many of these man-made particulates are carbon-based and black in color, distinguishing these other particulates from carbon black is important."
ASTM D6602 provides a standardized methodology of differentiating carbon black from other particulates, an important issue for carbon black plants near urban or residential areas, according to ASTM.
In addition to ASTM D6602, another D24 standard – ASTM D1619 – Test Methods for Carbon Black-Sulfur Content – will become the responsibility of D24.66.
Two proposed standards currently on ballot will also be under the jurisdiction of D24.66:

  • ASTM WK27192 – Test Method for Carbon Black-Carbon Content
  • ASTM WK27667 – Test Method for Carbon Content in Carbon Black Feedstock Oils

Once these carbon standards are published and adopted by environmental agencies, the carbon black industry will have relevant standardized test methods for their feedstocks and products, ASTM said.
D24.66 also will be working with the International Carbon Black Association to develop a proposed standard for polycyclic aromatic hydrocarbon (PAH) content.
According to Magee, there are no globally recognized standards for measuring PAH content in carbon black, but D24.66 is in the process of working on a draft method based on Soxhlet extraction and gas chromatography with mass spectrometry.
Source: ASTM International.

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