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.

AR226-2168 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.

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