Document 65wNjmxZQR6jd4ZjGoqjBELao

. AL226- 1647 EE. (OBJECTIVES: DETERMINE TEE PATE OF FC-143 IN THE TEFLONe PROCESS. eo ESTABLISH THE DEGREE OF PERSONNEL EXPOSURE. commons: eo ESTAELISH THE POTENTIAL FOR CUSTOMER EXPOSURE IN USING `TEFLONe PRODUCTS. eo LABORATORY METHOD DEVELOFED WITH DETECTION LIMIT OF ~50 PPb. ONLY 10%OF PC-143ADDEDBYFP & IN AS-RECEIVED TEFiONe DISPERSION RB REM ASA FRI EEFN C-1S 43 (a220 FFM). + FRE 20-145 18 YOR DRTEOELE DOWN STEEN Op ETFEEEIIG ~20%OFTHE FREEFO-143 (50 PRM) IS REMOO NTV HEE WAD SH `REEL ON SPUN YARN PRODUCTS. ON SPUN YARN PRODUCES. eo OFFREEINFCCOM-I1N4G3 L(EEVXETLRAC(TwAlB0LEP)EN)I.N DRIED I ONLY PRODUCTS PE <5% + N5O0F FOC RE- NWASI1 DAEVTIEL4 CPTIAE3 BDLEWIISNEAPNEYEOAFTSORRATOORRCSURSETAOTMEEERNEGI2F0ONSDIR.ES. orton 3/6/73 00000 - od DETAILS: BAMPLES ANALYZED PP & B SAMPLES: (2200 PPM ADDED 10 PROCESS) DISPERSION (AS SHIPPED) SUPERNATANT LIQUID SPRUANOE SAMPLES: FREE (EXTEACTAELE) FC-143 (PPM) 180 220 [P------ REGENERATION BATH WET YARN AFTER WASH REEL YARN AFTER DRYING YARY APTER SINTERING I ONLY PRODUCTS NOT 0 DETECTABLE 12 0.3 NOT DETECTABLE 8 SPRUANCE AIR BAMPLES (OPERATOR EREATHINGZONES): SPINNING MACHINE ROLL NO. 2 NO? DETECTABLE SPINNING MACHINE ROLL KO. 1 NOT DETECTABLE SPINNING MACHINE NO. 15 NOT DETECTABLE EPINNING MACHINE OPERATOR'S DESK NOT DETECTABLE INDUCTION DRYER EXIT NOT DETECT ELE INDUCTION DRYER EXHAUST HOT DETECTABLE * INTERNAL CONTROL USED IN ALL ANALYSES (3000 PPM FC-143 IN WATER). Sem PAGE 2 OF 2 000008