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Proposed Standard will aid evaluation of sewer system coatings.

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October 3, 2011 - Once approved, ASTM WK33537, Practice for Operating the Severe Wastewater Analysis Testing Apparatus, will aid evaluation of high-performance protective coatings for sewerage systems. This proposed ASTM International standard, providing test specific to such coatings, is being developed by Subcommittee G01.05 on Laboratory Corrosion Tests. Primary users will include specifying architects/engineers and municipal wastewater owners seeking to extend service life of infrastructure assets.

Proposed New ASTM Standard to Evaluate High Performance Coatings for Sewer Systems

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ASTM International
100 Barr Harbor Dr., Box C700
West Conshohocken, PA, 19428-2959

Press release date: September 27, 2011

W. CONSHOHOCKEN, Pa.-Once approved, a proposed new ASTM International standard will aid in the evaluation of high performance protective coatings for sewerage systems. The proposed standard will provide a test specific to these coatings.

Subcommittee G01.05 on Laboratory Corrosion Tests is developing ASTM WK33537, Practice for Operating the Severe Wastewater Analysis Testing Apparatus. G01.05 is under the jurisdiction of Committee G01 on Corrosion of Metals.

The severe wastewater analysis testing apparatus is a laboratory chamber comprising two phases: 1) a liquid phase containing a 10 percent concentration of sulfuric acid and 0.4 percent saline solution; and 2) a vapor phase consisting of air, humidity and concentrated sewer gas (e.g., hydrogen sulfide, carbon dioxide and methane).

"It is the vapor phase that makes the severe wastewater analysis testing apparatus novel compared to other senescent laboratory testing regimens often used by the wastewater industry," says Vaughn O'Dea, director, Water-Wastewater Treatment, Tnemec Co., and chairman of the task group that is developing ASTM WK33537. "The severe wastewater analysis testing protocol was established based on headspace conditions characteristic of actual sewerage systems."

According to O'Dea, primary users of the proposed standard will include specifying architects/engineers and municipal wastewater owners seeking to extend the service life of their infrastructure assets.

"The severe wastewater analysis testing apparatus has been the subject of many technical articles and presentations over the last 10 years and, as such, has become the premier laboratory evaluation procedure for candidate protective coatings for severe wastewater," says O'Dea.

All interested parties, particularly those who deal with wastewater and testing laboratories capable of handling high levels of sewer gases, are invited to participate in the development of ASTM WK33537.

ASTM International welcomes and encourages participation in the development of its standards. For more information on becoming an ASTM member, visit

ASTM International is one of the largest international standards development and delivery systems in the world. ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency. ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions.

View this release on the ASTM Web site at

ASTM Committee G01 Next Meeting: Nov. 16-17, 2011, November Committee Week, Tampa, Fla. Technical Contact: Vaughn O'Dea, Tnemec Co. Inc., Kansas City, MO, Phone: 816-519-2267;

ASTM Staff Contact: Jennifer Rodgers, Phone: 610-832-9694; ASTM PR Contact: Barbara Schindler, Phone: 610-832-9603;
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