History: Conrad, 

### RE: Fugitive emissions Amy M. Lincoln to: Conrad Chin Cc: Chuck French, friedman.beth, JKonrady, Jonathan Averback, Rlunn ,tshillier, r.powell

This message has been replied to and forwarded. 06/12/2012 02:47PM

There was clearly a misunderstanding on our last call. Felman is not considering building enclosure. That remains impractical due to the size and condition ofthe building 

### and, more importantly, would create aserious health risk for our employees. The engineering study currently underway has only served to confirm this. What is being considered as part ofthat engineering study is converting some of the existing roofvents to collection points and routing their emissions to the baghouses. This is likely to involve only about 3 ofthe 8 roofvents visible in the picture you sent on June 2. Not only would several roof openings remain, but so would the many other existing vents and openings in the building walls, as necessary to ensure air inside the building is safe for the employees working there. At this time, these plans are preliminary, and ourvendor continues to evaluate source-specific fugitive emission control options throughoutthe building in lieu ofattempting to control emissions at the roof vents. Without a complete engineering study, this is all the detail we can provide you right now. As such, I don't see a need for a call this week. PerTroy's June 5 email, both Felman and Eramet expect to have the results oftheir engineering studies ready to share with you by the end ofthis month, and are looking to schedule atime to go over those with you in detail. Iwill leave itto you and Troy to agree on a date that works for everyone. Amy Amy M. Lincoln Principal Beveridge & Diamond, P.C. 456 Montgomery Street Suite 1800 San Francisco, CA 94104 T ( 415) 262-4029 - F ( 415) 262-4040 Alincoln@bdlaw.com

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From: Conrad Chin [mailto:Chin.Conrad@epamail.epa
.gov) Sent: Tuesday, June 12, 2012 6:14AM To: Amy M. Lincoln Cc: Chuck French; friedman.beth@ecrweb.com; JKonrady@fpiwv.com; Jonathan Averback; Rlunn@fpiwv.com ; Conrad ChinSubject: Fugitive emissions Good morning AmyDuring our call lastThursday (June 7}, we heard Felman may consider "enclosing" the building. We are very much interested in finding out more details on your plans, including technical details, projected costs, safety considerations, and emissions reduction projection, etc. Is it possible we set up a call tomorrow orThursday to discuss this? Thanks and best regards, Conrad K. Chin Mail Code D243-02 Metals and Minerals Group Sector Policies and Programs Division Office ofAir Quality Planning and Standards U.S. Environmental Protection Agency 919-541-1512 (voice) 919-541-3207 (fax)