AR226-2516 LJ.

AR226-2533 FLUOROPOLYMERS 81-4 PAGE 10 3.

AR226-2645 34 AR226-2645 ISlI ' Inputs / Lbs PTFE LbsC8 Step Processinq Lbs PTFE LbsC8 ill Substep Process sewer Lbs C8 Output Hazardous waste Air disposal Yarn Finishing (packing yarns) 89,379.5 133.2 'roduct 89,379.5 3ryer Vent 133.2 0.0 133.2 Spinning 825,260.0 1,229.6 Product 687,819.0 1024.9 Coag/wash Sintering 973.6 Sintered exhaust 41.0 10.2 Waste 87,319.0 130.1 Coag/wash Sintering 123.6 'umpout White 41,342.0 exhaust 61.6 5.2 1.3 61.6 waste 8,780.0 13.1 13.1 wet waste 0.0 0.0 0.0 Cleaning linse 0.0 - 0.0 totes 0.0 0.0 0.0 Clean dispersion tanks 0.0 0.0 0.0 Spill Nonroutine Ruptured containment discharges 1,532.0 2.3 tote 1,532.0 2.3 and cleanup 2.3 Total Grand total 916,171.5 1,365.1 916,171.5 1,365.1 (// , ,2..

f #R226_27/6 3 | Maas. 2716 AMMONIUM PERFLUOROOCTANOATE: CROSS-SECTIONAL SURVEILLANCE INA COMMUNITY SAMPLE OF CLINICAL MEASURES OF GENERAL HEALTH STATUS RELATED TO A SERUM BIOMARKER OF EXPOSURE A STUDY PROTOCOL Preparedfor DuPont Haskell Laboratory Newark, Delaware Prepared by The Sapphire Group, Inc.

Copies AR226-2751 E.

AR226-2786 '"""'"" -~'';;"''''BE^!

AR226-2820 Material Tested: Submitted by: E.

AR226-2825 ^L0-e>^f-&s International Research and Development Corporation____ SPONSOR: E.

-^-- Copies Co; AR226-2882 Material Tested E,, I. du Pont de Nemonrs and Company Hasktill Laboratory for Toxicology and Industrial Medicine Elkton Road, Newark., Delaware 19711 HASKELL'LABORATORY REPORT NO. 56-80 Haskell No. 13,1'97 Ocher Codes Study Initiated/ Completed 8/21/79 - 8/27/79 Mate Chemical Jackson EYE IRRITATION TEST IN RABBITS Procedure; One-tenth mllllliter of the undiluted test material, was placed Into the right conjunctlval albino rabbits.

AR226-2968 FOR DU FONT USE ONLY Du Font HLR 632-91 Study Title Approximate Lethal Dose (ALD) of in Rats Author John W.

AR226-2978 Du Font HLR 477-92 TRADE SECRET Study Title STATIC, ACUTE, 96-HOUR L.C5Q OF H-19,173 TO FATHEAD MINNOWS.

TRADE SECRET AR226-3208 DuPont-8864 Study Title H-25124: Com)sitex7nF!

' AR226-3366 Ei | EE EweaE meT mwemE eeeTT oa a] ee = Ea EE] Yee Antu?

AR226-3393 HASKELL LABORATORY C4, C6 PERFLUORODnODOALKANE 1: EMERaEHCY^B^QSm^'llM : 1 ii:i : :1 EEL: 50 ppb (1-60 minutes) Time Limit: 60 minutes Ceiling Concentration: 50 ppb Emergency Exposure Limits (EELs) are to be used for emergency planning purposes only.

Exygen. ` &RESEARCH Proven Riss ..GePT RE a WEA 29 fi 8: 59 Attachment 2 226-- 1776%, | Analytical Report Air Sampling Fluorochemical Report | DuPont Washington Works -- Air Sampling Program Round 4 Exygen Research Report No.