TSCA Document Processing Center Attn: Section 8(e)/FYI M2.Z6 - 373V August 10,2006 Page 4 of 10 Attachment 1 July 19, 2006 "Note for settling parties" from the Science Panel (1 page) Note for settling parties We have prepared some outline protocols for several interlinked research components addressing the potential health effects of exposure to C8 around the Washington Works plant.

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P # te 7 I UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 F V Z -O S o l- /3 7/ M arch 20, 2001 FYI-00-00137B a 9 6 - ,0 3 OFFICE OF PREVENTION.

AR226-1523 FINAL REPORT RECEIVED OPPT NClC 03 SEP 30 PM1:OO PROTOCOL 418-028 ORAL (GAVAGE) COMBINED REPEATED DOSE TOXICITY STUDY OF T-7706 WITH THE REPRODUCTION/DEVELOPMENTALTOXICITY SCREENING TEST SPONSOR'S STUDY NUMBER: T-7706.1 FINAL REPORT DATE: 3 1 JULY 2003 PROTOCOL 418-028 - ORAL (GAVAGE) COMBINED REPEATED DOSE TOXICITY STUDY OF T-7706 WITH THE REPRODUCTIONLDEVELOPMENTAL TOXICITY SCREENINGTEST SPONSOR'S STUDY NUMBER: T-7706.1 TABLE OF CONTENTS SUBJECT 1.

Toxicological Summary PFOS Dietary Chronic Definitive Reproductive Study: Mallard Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro, potassium salt.

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AR226-1880 Overview of APFO/Telomer Active DuPont/DuPont-Sponsored Projects Presented to US EPA Robert W.

AR226-2112 Test Results Sample Date Range Concentration Range Action Level - n < - ' g----CT'g In =;-TC d W3-;i u s t r i eJ :;ry;nTip;'-ra-j<j,,-jt ; ';=t.S-CT,-.-'----- -:----- -:-- JHygie ; -,- : - ne - - ----' 1/1/84 12/31/84 100% Sample Dt Sample Duration Type Employee Name BTO: 08 LOG; 701 TEFLON FINE POWDER DRYER--EAST SIDE (K 11QB4 46247 3SO Z 1/13HB4 46248 380 Z 3/11/84 46240 3SO Z 4/10/84 46250 398 Z 5f7/84 48251 390 Z 6084 46252 7/284 46233 380 Z 360 2 7/30/B4 46254 360 2 8C484 4625S 330 Z 9H23(B4 46256 420 Z 10(21/84 46257 3GO Z 12/17/S4 46258 370 Z Pers Chemical C-8/FC-143 C-6/FC-143 Cfl/FC-143 C</FC-143 <>a/FC-143 C-8/PC-143 C-WG-143 C-8ffC-143 08/FC.143 (>8/FC-143 C4/FC-143 08/PC-143 Cone Unit Percent 82 MPB 0.19 MP8 0.31 MPB 0.21 MPB 0.47 MPB 0.29 MPB <0.08 MPB 03B MPB OJ53 MPB 0.02 MPB 036 MPB 039 MPB 146425%* 33.6% 55.4% 375% 83S% 51.8% 5.4% 50j0% 94.6% 110.7%** 43% 69,6% BTO: 06 TEFLON U3C; 702 FINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF031 1/23(84 36566 345 Z C-8/FC-143 1/27/S4 36567 420 Z C.8/FC-143 2/20(84 36568 3/17/84 36668 360 Z 360 Z 0-8^0.143 C-fl/FC-143 6/12<B4 36670 385 Z C-e/PC-143 7/8184 36571 340 Z C-8/PC-143 8/4(84 36572 420 Z Ofi/FC-143 10/2/B4 36573 360 Z C^/PC-143 11/24(84 36574 390 Z C-e/FC-143 1203(84 3S5?

SITE SCREENING LEVEL ASSESSMENTS FOR PFOA AND THE RELEVANCE OF SOIL SAMPLING Date: OctobertO, 2003 Project No,; 18983753.00034 ^ CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 EXP001453 SHe Screera'ng Level Assessments for PFOA and the Relevance of Soa Sampling Table of Contents TABLE OF CONTENTS Executive Summary. 1.0 Introduction ..... 2.0 Data Presentation................................................................................................ 2.1 Development of a Generalized PFOA Screening Level Site Conceptual Model...............,................................................................................................3 2.2 Laboratory Studies of PFOA and Field Sample Verification........................... 4 2.2.1 The Behavior of PFOA in Water......................................................... 5 2.2.2 Adsorption/Desorption of Ammonium Perfluorooctanoate to 2.2.3 2.2.4 Soil.......................................................................................................5 Little Hocking Water Association Investigation Results..................... 7 Washington Works RFI Soil Sampling Results................................... 8 3.0 Summary... .10 4.0 References. .11 Table I Table 2 Table 3 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 TABLES Washington Works RFI Soil PFOA Results '-- Washington Works RFI Surface Soil PFOA Results Washington Works RFI ADP SWMU Soil PFOA Results FIGURES PFOA Screening Level Assessment Model Comparison of K^s for PFOA and Other Chemicals Little Hocking Water Association Well Field Soil PFOA Results Washington Works RFI Soil PFOA Results Washington Works RFI Surface Soil PFOA Results Washington Works RFI ADP SWMU Soil PFOA Results soil position paper4.doc Oct. 20, 03 Wilmington, DE EXP001454 Site Screening Level Assessments for PTOA and the Relevance of SoB Sampling _____EXCCUtlVe Summary EXECUTIVE SUMMARY DuPont's extensive implementation of both media specific assessment modeling tools and comprehensive on-site and off-site soil, surface-water, and groundwater monitoring for perfluorooctanoate1at the Washington Works site in West Virginia allowed for compilation of a generalized screening level assessment model.

AR226-2567 1 N OF To; From; TE R PICE MEMO Mr.

4.12 4.12 1) / 1.5kg 300g 1.5kg ()( 2002,000 ) 300g ()( 200 ) 2) (1) BtoB BtoC TV 20202021 COVID-19 FPD COVID-19 LED TV ( LED ) 4K BtoC 2022 5% BtoC 2027 (2) (1,000) 12,000 10,000 8,000 6,000 4,000 2,000 0 2021 2022 (%) 2021 8,700 - 2023 2022 9,190 105.6 2024 2023 9,630 104.8 2025 2026 2027 2028 () 2024 9,875 102.5 2025 2026 10,030 10,140 101.6 101.1 (1,000) CAGR(%) 2027 2028 ('28/'21) 10,160 10,080 2.1 100.2 99.2 113 4.12 3) (1) HD (1,000) (%) HD(1.3Mp) (1,000) (%) FHD(2Mp) (1,000) (%) 4K(8Mp) (1,000) (%) 8K(32Mp) (1,000) (%) (1,000) (%) 2021 3,100 35.6 3,460 39.8 1,550 17.8 587 6.7 3 8,700 100.0 2022 2,920 31.8 3,760 40.9 1,836 20.0 670 7.3 4 9,190 100.0 2023 2,500 26.0 4,225 43.9 2,150 22.3 750 7.8 5 0.1 9,630 100.0 2024 2,145 21.7 4,500 45.6 2,400 24.3 824 8.3 6 0.1 9,875 100.0 2025 2026 1,860 1,550 18.5 15.3 4,550 4,500 45.4 44.4 2,650 2,900 26.4 28.6 963 1,182 9.6 11.7 7 8 0.1 0.1 10,030 10,140 100.0 100.0 CAGR(%) 2027 2028 ('28/'21) 1,180 11.6 870 -16.6 8.6 4,400 4,100 2.5 43.3 40.7 3,150 3,400 11.9 31.0 33.7 1,421 1,699 16.4 14.0 16.9 9 11 20.4 0.1 0.1 10,160 10,080 2.1 100.0 100.0 8K JVC 4K e-shift 8K 8K 4K 8K TV LCOS Full 4K 3LCD DLP Full HD e-shift 4K 4K XGAWXGA 2021 65% Full HD WUXGA( FHD)Full HD 4K 2023 HD HD (2) (1,000) (%) (1,000) (%) () (1,000) (%) () (1,000) (%) (1,000) (%) 2021 3,850 44.3 1,180 13.6 3,300 37.9 370 4.3 8,700 100.0 2022 3,820 41.6 1,370 14.9 3,615 39.3 385 4.2 9,190 100.0 2023 3,900 40.5 1,480 15.4 3,850 40.0 400 4.2 9,630 100.0 2024 3,850 39.0 1,570 15.9 4,035 40.9 420 4.3 9,875 100.0 2025 2026 3,780 3,700 37.7 36.5 1,645 1,700 16.4 16.8 4,170 4,285 41.6 42.3 435 455 4.3 4.5 10,030 10,140 100.0 100.0 CAGR(%) 2027 2028 ('28/'21) 3,600 3,500 -1.4 35.4 34.7 1,740 1,700 5.4 17.1 16.9 4,350 4,400 4.2 42.8 43.7 470 480 3.8 4.6 4.8 10,160 10,080 2.1 100.0 100.0 FPD 2023 2024 TV 114 4) 4.12 2021 (1,000) 244 4,705 1,054 1,095 1,220 382 8,700 (%) 2.8 54.1 12.1 12.6 14.0 4.4 100.0 2022 (1,000) (%) 225 2.4 5,120 55.7 1,071 11.7 1,160 12.6 1,224 13.3 390 4.2 9,190 100.0 FPD TV TV 2022 5) (1) Optoma DLP Coretronic OEM 2021 4K () () AcerAnkerBarcoBenQ Christie Digital SystemsDellDigital ProjectionHisense JMGOJVC LG El.Samsung El.ViewSonicVivitekXGIMI NEC (2) XGIMI JMGO Optoma BenQ 2021 (1,000) 1,690 1,110 600 450 429 4,421 8,700 (%) 19.4 12.8 6.9 5.2 4.9 50.8 100.0 2022 (1,000) (%) 1,770 19.3 1,200 13.1 700 7.6 430 4.7 453 4.9 4,637 50.5 9,190 100.0 XGIMI()JMGO() OptomaBenQ 115 4.12 6) 20212022 20232024 LCOS(D-ILA)DLP34K/8K 2025 e-shift 8K 8K LCOS(D-ILA) 4K e-shift 4K LCOS(D-ILA/SXRD)/DLP3 LCD/DLP / () / LED HDR Wi-Fi/Android TV () 5G( ) / 116 2022117 https://www.fcr.co.jp

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-602. (1Octanesulfoniaccid)(CAS # 2795-39-3).

Crop Protection socio economic argumentation - maintaining sufficient modes of action are fundamental to sustain weed management in important European agricultural cropping systems Table of Contents The role of fluorinated agrochemicals in resistance management ...................................... 1 The agronomic impact of a loss of fluorinated agrochemicals in the EU............................. 1 Cereal Herbicides .............................................................................................................. 2 Corn Herbicides ................................................................................................................. 3 Literature ........................................................................................................................... 4 The role of fluorinated agrochemicals in resistance management Fluorinated active substances cover different indications such as herbicides, insecticides/acaricides, fungicides and nematicides and offer potent modes of action that are critical in effective and complementary pest management.

Columbus Childrens Hospital P. 1 Page 1 of I ..