AR226-2222 EDD0078951 Stack Parameters Permit Number 1881253DA Pre1-86E3115x543iDAsAting 671841A 1953 Semi-wor2k3s6A5Application SSeemmiiwwoorrkkss AApppplliiccaattiioonn Semiworks Application "Vent ID T61ZCE consists of 18 one-foot diameter vents.

CHEM EHSR 236 1B 3M Chemicals 651' 733 1958 12/09 '98 13:22 NO.461 01/01 3M Center S.

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AR226-2170 EID274718 Current Permit/ Appllcatlon/PDFJ. 1823A B15D 815D 1353A Pre-Existing 614A 614A 781 1953 2365A Permit Vent ID_ T7IME T8IFCE T6IZCE 164-5E 164-2S 183-E-28 163-E-11 163-E-33 242 C1FSE Stack Stack Stack Stack Base Stack Stack Stack Reg 29 Unit ID TIM TIF TIZ THJ THG CDT CDW CDB CEH CFS Reg 29 Vent ID 662 647 699 652 658 231 232 216 242 274 Zone 17 UTM-E UTM-N 442025 4346847 442084 4346833 442102 4346811 441920 4346767 441923 4346756 441939 4346773 441940 4346772 441960 4346788 441954 4346741 441787 4346744 Diameter (ft) 1.33 1.5 1 1.96 1.63 0.82 2.08 1.3 0.67 0.69 Diameter (m ). 0.405 0.457 0.305 0.598 0.497 0.251 0.635 0.396 0.204 0.210 Height (ft) 150 59 63 70 68 71 66.6 60 70 110 Height Elevation (m) .

AR226EDD0074384 CO CM Current Permit/Application/PDF #_________ 1823A 815D 815D 1353A Pre-Existing 614A 614A 781 1953 2365A Note: For some vents the surfactant rate la less than the total particulate reported in Air Emissions Inventory which can include polymer dust.

AR226-2412 BACKGROUND M AT IS C-8?

3M Specialty Materials 3M Center St.

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.

------------ -- AR226-2470 1/25/00 DRAFT Responses to GE questions made by Dale VanDeVelde on 1/5/00. 7) C-8 storage and use history Dupont Fluoroproducts began the use o f Ammonium Peifluorooctanoate, C-8, in the early 1950's.

AR226-2168 EID448080 Current Permit/ Aoolicatlon/PDF # 1823A 8150 815D 1353A Pre-Existing 614A 614A 781 1953 2365A Stack Stack Stack Stack Base Stack Stack Stack Permit Reg 29 Reg 29 Zone 17 Diameter Diameter Height Height Elevation Flow Velocity Temp Vent ID Unit ID Vent ID UTM-E UTM-N (ft) T7IME TIM 662 442025 4346847 1.33 (m) 0.405 (ft) (m) 150 45.7 (m) ACFM (mis) 191.1 3349 12.2 1<7F2) T6IFCE TIF 647 442084 4346833 1.5 0.457 59 18.0 191.1 18000 51.8 111 T6IZCE TIZ 699 442102 4346811 1 ' 0.305 63 19.2 195.7 1000 6.5 111 164-5E THJ 652 441920 4346767 1.96 0.59a 70 21.3 194.9 9800 16.5 200 164-2S THG 658 441923 4346756 1.63 0.497 68 20.7 195.0 2800 6.8 300 163-E-26 CDT 231 441939 4346773 0.82 0.251 71 21.7 197.8 500 4.8 130 163-E-11 ' CDW 232 441940 4346772 2.08 0.635 66.6 20.3 197.9 600 0.9 130 163-E-33 CDB 216 441960 4346788 1.3 0.396 60 18.3 198.2 2750 10.5 158 242 CEH 242 441954 4346741 0.67 0.204 70 21.3 197.4 1250 18.0 200 C1FSE CFS 274 441787 4346744 0.69 0.210 110 33.5 197.3 1000 13.6 255 2000 Stack Temp (K) 350.9 317.0 317.0 366.5 422.0 327.6 327.6 343.2 366.5 397.0 Fermiteli Est Actual Allowable Emissions Emissions Ib/vr Ib/vr 0 23 14,308 56666 0 11333 275 0 137 0 2280 14400 2310 14400 0 289 729 21878 2107 9787 ` T6IZCE consists of 18 separate 1-ft diameterstacks, located close together.

CHEM EHSR 236 1B 3M Chemicals 651' 733 1958 12/09 '98 13:22 NO.461 01/01 3M Center S.

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.

AR226-2200 EID 384430 Current Permit/Applicatlon/PDF #_________ 1823A 8150 8150 1353A Pre-Existing 614A 614A 781 1953 2365A Note: For some vents the surfactant rate is less than the total particulate reported in Air Em issions Inventory which can Include polymer dust.

Ma.s.Q>- M G ORPEPCTEINVCEIDC STUDY OF MYOCARDIAL INFARCTION AT WASHINGTON WORKS PLANT This study was conducted to evaluate the incidence of cases of myocardial infarction among male wage and salary roll employees at the Washington Works Plant from 1956 to 1973.

AR226-2298 EID747558 FP/D D1 Cooler FP/D D3 Cooler FP/D D2 Bypass FP/D D3 Bypass Current Permit/Application/PDF # 1823A 815D 815D 1353A Pre-Existing 614A 614A 781 1953 2365A 2365A 2365A Note: For some vents the surfactant rate Is less than the total particulate reported in Air Emissions Inventory which can Include polymer dust.