Siloxanes Teleconference with Interested Pa rties and Observers August 8, 2013 1-2pm

EPA Staff Present Mark Seltzer, Paul Lewis, Ward Penberty, Nhan Nguyen, Sara Pollack, Ka ren Eisenreich, Steve Anderson, Joseph Avcin, Cathy Fehrenbacher

Interested Parties Karluss Thomas – Silicones Environmental, Health, and Safety Center Charles Staples- Silicones Environmen tal, Health, and Safety Center Tracey Gurrero- Silicones Environmental, Health, and Safety Center Wendy Koch - Evonik Goldschmidt Corporation: Kathleen Plotzke - Dow Corning Corporation Patrick Griffith - National Association of Clean Water Agencies Jack Linard – Unilever Hugh Flack- Wacker Chemical Corporation Raymond Hiley – Momentive MPM Silicones Lisa M. DuMars – Momentive MPM Silicones Nureco Subrea- Shin-Etsu Silicones of America Inc.

Observers: Pat Rizzuto- Bureau of National Affairs Rebecca Grey- Gibson Dunn Elizabeth Grossman- Chemical Watch Trent Doyle- Keller Heckman Jean Browning- Affiliation unknown, Did not announce on call. Pam Vail- Affiliation unknown, Did not announce on call.

1. Introduction (Ward Penberthy [EPA])

 Progress has been made in drafting an enforceable consent agreement since the previous public meeting on March 28th.

 During the March meeting EPA indicated it wo uld form a smaller group to draft the ECA. EPA expected it would take seve ral weeks, though in actuality it has taken several months.

2. Enforceable Consent Agreement (ECA) Progress to Date, Explanation of the Current ECA Draft (Ward Penberthy [EPA])

 A copy of the ECA was distributed prior to meeting (and is available in the EPA docket: EPA-HQ-OPPT-2012-0209-0001)

 Significant progress has been made in dr afting the monitoring program section of the ECA with specific emphasis on the legal and administrative aspects of the program

 There still remain several technical issu es which need to be addressed by the drafting group.

 Ward Penberthy addressed specific items in the ECA:o Page 5: (highlighted section) Ves tige of ECAs that address toxicity

concerns
o Page 7: (highlighted section) POTWs to be monitored. Specify as to what is intended

o Page 7: VIII Standards for Conducting Testing to be specified for sample collection and data analysis- SEHSC will be sending these shortly.

o There is some concern on SEHSC’s pa rt that field sampling and handling may be challenged with regard to GLP requirements.

o Page 8: Discuss and further clarify detection limits. (Should not be difficult to resolve)

o Page 13-14,16: Need to add na mes and addresses for parties

o Appendices: a number of technical is sues- Language about where surface samples should be taken, how far down-stream, details about biota monitoring and test standards. It is hopeful that the drafting group can work these issues out in the futu re in the upcoming drafting session.

3. Next Steps

 Have the good beginnings to complete the document finished.

 Interested parties and observ ers were notified to contact either Mark Seltzer (202-564- 2901, Seltzer.mark@epa.gov) or Ward Penberthy (202-564-8171, Penberthy.ward@epa.gov) if they are inte rested in participat ing in the August 21 st all day meeting.

 Expect to receive test protoc ols and other supporting material s from SEHSC prior to this meeting

 After the August 21 meeting there will be a 30 day comment period for Interested Parties.