Document ID: EPA-HQ-OPPT-2012-0209-0014
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2012-08-08T04:00Z

DRAFT of August 3, 2012
                    Siloxanes ECA Discussion Meeting Agenda
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Tuesday, August 7, 2012
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2:00-4:00 PM EST 
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Teleconference: (866) 299-3188; code: (202) 564-6738

Charge: 
POTWs: 
   1. Discuss publicly owned treatment works (POTW) monitoring factors and number of sites that are necessary to provide sufficient environmental monitoring samples of D4 and D5 for a national risk assessment 
MPF Sites: 
   1. Develop an understanding of the sources of and pathways to environmental concentrations of D4 and D5 in environmental media and biota associated with industrial releases from siloxanes manufacturing, processing, and formulating (MPF) sites
   2. Discuss the number of siloxane MPF sites to be included for environmental monitoring of indirect discharges to receiving water bodies 

Agenda:
   1. Introduction, Goals, Charge  -  Ward Penberthy, EPA (15 minutes)
   2. POTWs
         * SEHSC proposal, including justification and rationale for POTW monitoring factors and number of sites  -  Karluss Thomas, SEHSC (15 minutes) 
         * Response, discussion, and recommendation (30 minutes 
                 i. EPA response
                 ii. Discussion by participants
                 iii. Discuss site selection factors
                 iv. Discuss the number of POTWs sites to use for environmental monitoring samples of D4 and D5
                 v. Recommendation
         
   3. MPF sites
         * SEHSC Proposal, including justification and rationale for MPF monitoring factors and number of sites  -  Karluss Thomas, SEHSC (15 minutes) 
         * Response, discussion, and recommendation (30 minutes)
                 i. EPA response
                 ii. Discussion by participants
                 iii. Discuss the number of MPF sites to use for environmental monitoring samples of D4 and D5 direct and indirect discharges to receiving water bodies
                 iv. Recommendation
   4. Next Steps (15 minutes) 
   5. Adjourn
Discussion times are approximate. For further information, please contact Marcus Aguilar at (202) 564-3194 or aguilar.marcus@epa.gov