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HE2261667
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APFO Use and Exposure
Peer Review
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Intreductery Reminders |
+ Legal Considerations
+ Focus on Methodeleagnyd
Assumptions
* Leave prior historyatthe deer
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Areas of Focus
* Mass Balance of APFO in DuPont Fluereproducts
+ DuPonOHt practices and results
+ Customer Issues and practices
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Scope of Review
+ Worldwide DuPont Fluoregolymers --Analysis does notinclude DOE
* Most examwpilllbeoUsS | snecific - UdiSsmpaerrksetioofnfmliruroorrosgwoolrylmtwoirde | market -siDmuiPloanrtUtoStOhoHsperaicnttihcees are Netheralnad nJadvasn ~Mostdata Isavallablefor US
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DuPont Flueropolymer
Business Overview
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"Mass Balance
Assumptions
* BryResinAPFO Content
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~ Test measurements in
Copolymers(approx. 29pm)
~ Routine MeasurementsinFine Powder (<10ppm)
~Granular uses very liitnrteclipee, drying removes all
~UsedTnpm averfearmgases
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Mass Balance
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Assumptions
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Mass Balance Assumptions
+ APF contenItn dispersions based on: - resines ~ moreeadsuucrtesmentsofAPOlnsome - esrxoudeuccttesd distribution inother |
+ 1999 US salesused1s calculate total APF
~Rsaatlieosouf USstsaolceaeslctouwidaotrsldotwaildePFO contained indispersionproducts
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Comparison of BuPont
With Fluerepelymer
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"DuPont Flueroproducts
APFO Containment Policy
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| Fate of APFO in
Dispersions
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Fate of APFO in
Dispersions
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+ Dispersioncoatingwith subsequent
e-atAirnatgocdryorsoakenmisaion |
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Issues with AFPO Fate
Determination in
Dispersions
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Fate of APFO in Teflon
Finishes
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Disclaimer on
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Next Steps for DuPont |
Fluoropreducts
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