AR226-2298 FP/D D1 Cooler FP/D 03 Cooler FP/D D2 Bypass FP/D D3 Bypass Current Permlt/ApDiication/PDF # 1823A 815D 815D 1353A Pre-ExistIng 614A 614A 781 1953 2365A 2365A 2365A Note: For soma vents the surfactant rate Is less than the total partlculate reported in Air Emissions Inventory whteh can include polymer dust.

Patented Aug. 22, 1950 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 6:21 PM Hennepin County, MN 2,519,983 UNITED STATES PATENT OFFICE 2,519,983 ELECTROCHEMICAL PROCESS OF MAKING FLUORINE-CONTAINING CARBON COM POUNDS Joseph H.

oJ)\ b Du Pont HE uan Resouces Du PONT HUMAN RESOURCES Wilmington, Delaware 19898 cCcO:: AAJ.J..

FFOORR GGEEOOLLOOGGYY DDEEEPAASRTTHMEEN~T UUSSEE OOHNLLYE Jnulyy a2S8,, 11996600 FIELD LEITCR OF JORN A.

AR226-2161 Current Permlt/Appljcation/PDF # 1823A 815D 8150 1353A Pre-ExIstIng 514A 614A 781 1953 2365A Note: For some vents the surfactant rate la less than the total paniculate reported in Air Emissions Inventory which can include polymer dust.

AR226-2261 815D(FP/D) 815D(FP/D) SOURCE ID 647 699 614A(FEP1) 231 614A(FEP2) 232 1953(FEP3) 242 2365A (PFA) 274 2003 Production annual lb 0 4.300,000 2,700,000 2,500,000 3,903,900 3,903,900 3,346,200 1,977,000 QPU 0.0025 0.0035 0.0045 0.0051 0.0051 0.0051 0.0065 Fraction to Dryer 0,92 0.4 0.4 0.4 0.7 Scrubber Elf EMISSION RATE (Ib/yr) EMISSION RATE (G/S) 0.85 4340.1 0.0625 0.93 0.93 0.93 0.93 557.5 557.5 477.8 629.7 0.0080 0.0080 0.0069 0.0091 FCP Total 11,154,000 Split Lines 1,2,&3 as 35/35/30 Line 3 QPU raised to 0.0051 per current operations

AR226- CO CM CM 815D (FP/D) 815D (FP/D) 614A(FEP1) 614A(FEP2) 1953(FEP3) 2365A (PFA) SOURCE ID 647 659 231 232 242 274 2003 Production annual lb 0 4,300,000 2,700,000 2,500,000 3,903,900 3,903,900 3,346,200 1,977,000 Fraction QPU to Dryer 0.0025 0.0035 0.0045 0.0051 0.0051 0.0051 0.0065 0.92 0.4 0.4 0.4 0,7 EMISSION EMISSION Scrubber RATE RATE E ff (lb/vr) (O/S) 0.85 4340.1 0.0625 0.93 557.5 0.0080 0.93 557.5 0.0080 0.93 477.8 0.0069 0.93 629.7 0.0091 FEP Total 11,154,000 Split Lines 1,2,&3 as 35/35/30 Line 3 QPU raised to 0.0051 per current operations EID677987

AR226-2299 Current Permft/Applicatlon/POFiC 1823A 815D 815D 1353A Pre-Existing 614A 614A 781 1953 2365A 2365A 2365A FP/D D1 Cooler FP/D 03 Cooler FP/D 02 Bypass FP/D D3 Bypass Note; For some vents the surfactant rate is less than the total particulatereported In Air Emissions Inventorywhich can Include polymer dust.

AR226-2299 EID747569 Current Permit/Application/PDF # 1823A 81SD 815D 1353A Pre-Existing 614A 614A 781 1953 2365A 2365A 2365A FP/D D1 Cooler FP/D 0 3 Cooler FP/D D2 Bypass FP/D D3 Bypass permit ________________________________________ Vent ID Monomer T7IME FPD T6IFCE FPD Gran T6IZCE 164-5E Gran 164-2E FEP FEP 163-E-26 163-E-11 FEP 163-E-33 FEPL3 PFA 242 C1FSE PFA C1FKE PFA C1CAE FPD FPD T6IXE T6IYE FPD T6IEE FPD T6IFE Note: For some vents the surfactant rate is less than the total particulate reported in Air Emissions Inventory which can Include polymer dust.

eeh Ran peAsFvabia[na NBrEaEs eset WS ITW OLSEN mie .- rs Srgag The mechanism underlying the hypolipemic effect of perfluorooctanoic acid (PFOA), perfluorooctane sulphonic acid (PFOSA) and clofibric acid Bente Haughom and @ystein Spydevold sae of Medco Biochem, Givers of Ol.

Issue: DDooccuummeenntt TTyyppee:: CCataeteggoorryy:: Issue: CCoorrppoorraattee M Meessssaaggeess FEEnCnvvi-irrEooansntmmeMennetttaarlloEEDnnreeirrnggkyyianagnnddWaSStaafefeerttyy IIssssuueess FC -East Metro Drinking Water 102000, 3M announced it was phasing out ofproduction ofPFOS and PFOA ITs"nTthhoe2ep0pcc0eoo0dmm,pup3asaMinnnyygawwnaannaononttutheeneddcrettdloouiffotoorwccouucasshseoopmnnhiacmmsaoiolnr,rgeePossFuuuBsstttAoaa,ifinnpaaartbbolltdeesuttcCeetoccithohtnnnoaolgoloeofggPiGierFesosO.v.eS33.MaMnMdhhNaaPddFfaaOaclliArrleei.atayddyy dstuoepptoeddeucsrienagseadnoctuhsetrofmleurordoecmhaenmd,ical, PFBA, at its Cottage Grove, MN facility due to decreased customer demand

Opinions on PFSA (Perfluorosulfonic Acid Resin) Regulations We, on behalf of Juhua Technology Center Co., Ltd., would like to express our greetings to the five countries proposing the ECHA and PFAS management and control draft.

AR226-2412 BACKGROUND M AT IS C-8?

AR226-2176 EID384427 Current Permlt/Appllcation/PDF_#______________________ 1823A 815D 815D 1353A Pre-Existing 614A 614A 781 1953 2365A Note: For some vents the surfactant rate Is less than the total particulate reported in Air Emissions Inventory which can Include polymer dust.

AR226-2168 Current Permit/ Applicatlon/PDF 81SD 815D 1353A Pre-ExIstIng 614A 614A 781 1953 2365A Permit Vent ID T61FCE T6IZCE 164-5E 164-2S 163-E-26 163-E-11 163-E-33 242 C1FSE Reg 29 Unit ID TIP TIZ THJ THG CDT CDW CDB CEH CFS Reg 29 Zone 17 Vent ID UTM-E UTM-N 647 442084 4346833 699 442102 4346811 652 441920 4346767 658 441923 4346756 231 441939 4346773 232 441940 4346772 216 441960 4346788 242 441954 4346741 274 441787 4346744 Stack Diameter (ft) 1.33 1.5 1 ' 1.96 1.63 0.82 2.08 1.3 0.67 0.69 Stack Diameter (m) 0.405 0.457 0.305 0.598 0.497 0.251 0.635 0.396 0.204 0.210 Stack Height (ft) 150 59 63 70 68 71 66.6 60 70 110 Stack Height (m) 45.7 18.0 19.2 21.3 20.7 21.7 20.3 18.3 21.3 33.5 Base Elevation (m) 191.1 191.1 195.7 194.9 195.0 197.8 197.9 198.2 197.4 197.3 Stack Plow ACFM 3349 18000 1000 9800 2800 500 600 2750 1250 1000 Stack Velocity (m/s) 12.2 51.8 6.5 16.5 6.8 4.8 0.9 10.5 18.0 13.6 Stack Temp (F) 172 111 111 200 300 130 130 158 200 255 2000 Stack Temp (K) 350.9 317.0 317.0 366.5 422.0 327.6 327.6 343.2 366.5 397.0 Pennited Est Actual Emissions Ib/yr 0 14,308 0 275 137 2280 2310 0 729 2107 Allowa Emissi Ib/yr 56 11 14 14 21 9 *T6IZCE consists of 18 separate 1-ft diameter stacks, located close together.