Document oe2j4DDGMLbj8Q5BEoj2Xprq7

AlU>-1(,*7 FO-145 IK TEFLON OBJECTIVES: DETERMINE THE PATE OP P C -1 4 3 HT THE TEFLON PEOCESS. ESTABLISH SHE DEGHEE OP PERSONNEL EXPOSURE. ETESFTLAOBNLISHPROTHDEUCPTOST. ENTIAL POE CUSTOMER EXPOSUBE IN USING CONCLUSIONS: LABORATORY METHOD DEVELOPED WITH DETECTION LIMIT OP 50 PPb. ONLY *10% OP PC-143 ADDED BY P P & R REMAINS A S FREE PC-143 IN AS-RECEIVED TEFLON DISPERSION (*220 PPM). *20% OF THE FREE PC-143 U 5 0 PPM) IS REMOVED ON THE WASH REEL ON SPUN YARN PRODUCTS. e FREE PC-143 IS NOT DETECTABLE DOWN STREAM OP SINTERING ON SPUN YARN PRODUCTS. OFRPEIENCPOCM-1IN4G3 L(EEXVTERLAC( T1A0BLPEP)MI)N. DRIED I ONLY PRODUCTS <5% NO P C -143 WAS DETECTABLE IN ANY fir OPER ArTO ST R n r- j j / '! ] BKEATfflDIQ ~ 80N S g - NO PROBLEMS ID EN TIFIED WITH OPERATOR OR CUSTOMER EXPOSURES. PAGE 1 OP 2 H3/. 6S/7H9EPPARD 00QG07 E SI DPR7 01 404065553 DETAILS: SAMPLES ANALYZED* P P fit B SAMPLES: ( 2 2 0 0 PPM ADDED TO PROCESS) DISPERSION (AS SHIPPED) SUPERNATANT LIQUID SPHUANGE SAMPLES: REGENERATION BATH WASH REEL WATER WET YARN AFTER WASH REEL YARN AFTER DRYING YAM AFTER SINTERING I ONLY PRODUCTS FRFEEC -(IE4X5TR(IAPCMTA) BLE) 180 220 NOT DETECTABLE 50 12 0 .3 NOT DETECTABLE 8 SPEDANCE A IR SAMPLES (OPERATOR BREATHING ZONES): SPINNING MACHINE ROLL NO. 2 NOT DETECTABLE SPINNING MACHINE BOLL NO. 1 NOT DETECTABLE SPINNING MACHINE NO. 1 5 NOT DETECTABLE SPINNING MACHINE OPERATOR'S DESK NOT DETECTABLE INDUCTION DRYER EXIT NOT DETECTABLE INDUCTION DRYER EXHAUST HOT DETECTABLE * INTERNAL CONTROL USED IN ALL ANALYSES (3 0 0 0 PPM F C -143 IN WATER). PH5A/. G6SE/7H9E2 PPOAFRD2 000008 E ISDPR7 01 04 4065654