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Portland, OR—Bullseye Glass Co. met its Sept.1, 2016 deadline set by the Oregon Department of Environmental Quality to clean or replace its exhaust stacks to remove a build-up of residues containing hexavalent chromium and other metals including as cadmium and arsenic. Monitoring data suggests these residues led to the metal's persistence in southeast Portland's air.

During a site visit on Monday Aug. 29, DEQ confirmed that Bullseye Glass had completed the required work on the stacks. Samples of residues collected from recent cleanout events showed a marked reduction in hexavalent chromium concentrations when compared to an earlier sample. Required by a June 6 Mutual Agreement and Order, the cleanout work was designed to ensure removal of a potential source of metals into air around the facility.

DEQ also viewed a newly installed baghouse system, which will eventually control emissions from 11 or more furnaces. The baghouse was in operation and appeared to be functioning within normal operating parameters. Bullseye also confirmed installation plans for one more baghouse.

Testing this summer found more than 98 percent of chromium emitted from the Bullseye Glass furnace during the glass melting process is converted to hexavalent chromium when exhausted. Hexavalent chromium exposure is linked to respiratory problems and cancer in people.

For additional information about DEQ's work with Bullseye Glass, visit http://www.deq.state.or.us/nwr/bullseye.htm

To address other possible sources of the elevated hexavalent chromium detected by air monitors since March, DEQ also has been working with Lehigh Cement Co. The company, which is near the Portland Day Care Center, confirmed completion of new controls to minimize dust that may leave the site during off loading and contributing to ongoing detections of metals in air around the facility. The controls should help the company limit dust when unloading cement from railcars. DEQ will inspect Lehigh Cement Co. to view the additional controls to ensure they are adequately controlling emissions of dust during off loading.

DEQ's monitoring of the air in the vicinity of Bullseye Glass continues.

These efforts are part of DEQ's work with the Oregon Health Authority to carry out the Cleaner Air Oregon initiative Governor Kate Brown announced on April 6, 2016. The Cleaner Air Oregon initiative will align industrial air toxics regulations with human health. For more information, visit http://CleanerAir.Oregon.gov

Contacts
Keith Johnson, DEQ, 503-229-6431, johnson.keith@deq.state.or.us
Jonathan Modie, OHA, 971-246-9139, PHD.Communications@state.or.us

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Categories:
Environment & Energy
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