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EQAC November 12 , 2014

Materion Ceramics, formerly Brush Ceramics, utilizes beryllium oxide in manufacturing engineered ceramics for various industries. They use a TRIBO particulate detection system in their stack since 2010 to measure emissions. Be air monitoring has been ongoing since 2007 in partnership with Pima County. Changes to permit requirements and public outreach initiatives are underway to enhance monitoring procedures.

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EQAC November 12 , 2014

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  1. EQACNovember 12, 2014 Materion and Air Quality Monitoring

  2. Background • Materion Ceramics was previously known as Brush Ceramics • Materion produces engineered ceramics for the aerospace, telecommunications, health care and computer industries • Utilizes beryllium oxide (BeO) in the manufacturing of ceramic products • BeO is a crystalline solid that is light weight and can withstand high temperatures and rapidly dissipates heat

  3. BerylliumTechnology Assessment • Materion has evaluated the use of the TRIBO particulate detection system • Has been installed in Materion’s stack since 2010 • Detector functions by processing and analyzing electrical currents generated when particles pass by sensors • Will not measure BeO but will measure particulates (such as BeO) • Detector will measure changes in emissions

  4. Beryllium Air Monitoring • Be air monitoring requested by community during permitting process in 2007 • Voluntary agreement reached between Pima County and Brush (Materion) to conduct monitoring project • Pima County to maintain and operate monitors while Brush (Materion) contributes funding • Monitoring agreement expires in November 2014

  5. Beryllium Air Monitoring • Since 2007, over 3,000 samples have been collected • Only one sample had detectable levels of beryllium not related to Materion operations • July 22, 2009 dust storm from Pinal County brought in soil with higher Be. Reported to BOH, SUSD, and BOS in September 2009 • Current monitoring system takes over 90 days to get results from the laboratory

  6. Changes to Permit • Require particulate detection system to be operating when manufacturing is taking place • Require continuous record keeping of system • Require notification of PDEQ within 24 hours of a reading above the threshold level

  7. Public Outreach • Memorandum describing proposed permit modifications sent to County Administrator • Will have 30-day public notice in newspapersand will place documents on PDEQ website • Will work with SUSD, School Board and other interested parties

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