Document LggepOBEK1pz8716ddmK41VYQ

AR226-2393 C-8 REDUCTION & CONTROL PROGRAMS STATUS RJZ026555 R. J. Z1PFEL 6-11 -87 003546-19 - 06/09/87 - SJZ;kst EID09I378 EID137075 MEETING AGENDA AIM GROUNDRULES PLAN POLICY AND GOALS C-8 SAFETY AND HEALTH INFORMATION ENVIRONMENTAL CONTROL PROGRAMS WORK ENVIRONMENT PROGRAMS - C-8 IN BLOOD HISTORY - C-8 IN AIR HISTORY ~ ` PATH FORW ARD/ACTION ITEMS 9 CONCLUSIONS 003546-26 - 06/09/87 - RJZ:kst EID091379 RJZ026556 EID137076 MEETING AIM TO REVIEW THE FLUOROPRODUCTS C-8 REDUCTION AND CONTROL PLAN THROUGH OPEN DISCUSSIONS AROUND THE HISTORY AND STATUS OF THE C-8 RELATED PROGRAMS TO ASSURE THAT ALIGNMENT BETWEEN CORPORATE SAFETY AND SPD BUSINESS OBJECTIVES CONTINUES. RJZ026557 003546-20 - 06/03/87 - RJZrkst EID091380 EID137077 GROUND RULES HOLD QUESTIONS UNTIL END OF PRESENTATION EXCEPT IF MEANING IS NOT CLEAR. RJZ026S58 003546-35 - 06/09/87 - BJZ:kst ETO091381 EID137078 C-8 CONTROL PLAN POLICY AND GOALS REDUCE PUBLIC EXPOSURE THROUGH THE ECONOMICAL IMPLEMENTATION OF THE OPTIMUM TECHNOLOGIES AVAILABLE REDUCE EXPOSURE BELOW AEL BY ENGINEERING CONTROLS AND PROTECTIVE EQUIPMENT REDUCE EXPOSURE BY ENGINEERING CONTROLS AND PROTECTIVE EQUIPMENT SO THAT ELEVATED ORGANIC FLUORINE LEVELS IN BLOOD WILL DECREASE AND ACCUMULATION OF ORGANIC FLUORIDES IN NEW WORKERS WILL BE LIMITED RJZ026559 003546-27 - 05/19/87 - RJZrkst EID091382 EID137079 C-8 DATA TO DATE IT IS NOT A TERATOGEN IT IS NOT AN EMBRYOTOXIN IT IS NOT A MUTAGEN IT IS MODERATELY TOXIC - LD 50 540 mg/kg IT HAS AN ESTIMATED BIOLOGICAL HALF LIFE OF ONE TO THREE YEARS IN HUMAN BLOOD NO KNOWN REPORTS OF HEALTH RELATED EFFECTS REPORTED BY DuPONT - 3M HAS HAD ONE EMPLOYEE WITH REVERSIBLE LIVER DAMAGE (UPDATED JANUARY 1987) 003546-2 - 06/09/87 - RJZ:kst E1D091383 09S9ZQ2FS EID137080 C-8 EXPOSURE LIMITS AEL IN AIR 0.56 MOLES PER BILLION 3 0.01 mg/m BLOOD LEVELS NONE ESTABLISHED PUBLIC EXPOSURE LIMITS NONE ESTABLISHED RJZ026561 003546-21&22 - 06/09/87 - RJZikst EID091384 EID137081 C-8 HISTORY 8/51 Began use of C-8 in dispersion polymer ization. Few precautions in handling. 6/07/78 Advised personnel that 3M found elevated organic fluorine levels in blood of workers exposed to fluorinated surfactants. Started internal review and monitoring. 9/79 Provisional AEL established by Haskell. 3/20/81 3M advised that C-8 caused birth defects in unborn when fed by stomach tube to female rats. All fem ale employees with potential C-8 exposure were promptly transferred to other plant areas. 4/10/81 C-8 specific blood test developed and put in use. 3/01/82 5/17/82 Studies completed which found C-8 not to be a teratogen and no adverse health effects. 3 Final AEL established at 0.01 mg/m or 0.56 ppb. 8/85 First commercial shipment of TBSA from Chambers Works. 12/86 Demonstrated feasibility in the laboratory to economically concentrate C-8 in water solutions. 003546- - 06/09/87 - BJZ:kst EID091385 RJZ026562 EID137082 C-8 ENVIRONMENTAL CONTROL PROGRAMS STATUS VERSUS 1984 AIR FINE POWDER DRYER VENT SCRUBBING AND RECOVERY 1984 .1988-89 CURRENT 1989 WATER REPLACE C-8 WITH TBSA 100% in 1985 15% in 1987 30% in 1990 ELIMINATE SUPERNATE PONDS - NEW ITEM 1H88 RJZQ26563 003546-32 - 06/03/87 - RJZ:kst EiD091386 EID137083 WASHINGTON WORKS OFF PLANT EMISSIONS WATER POUNDS 0 8 1983 1986 21,700 19,100 AIR 12,700 16,200 PRODUCT 8,000 8,300 OFF-PLANT DISPOSAL 7,700 8,300 50,100 51,900 003546-10&11 - 06/03/87 - EJZskst EID091387 EID137084 RJZ026564 C-8 LEVELS IN DRINKING WATER DISTANCE FROM NO. 5 OUTFALL (miles) C-8 LEVEL - PPB 1984 1987 PARKERSBURG 7.50 UPSTREAM ND ND WASH. WORKS 0.50 UPSTREAM ND ND LUBECK WATER DISTRICT 0.25 DOWNSTREAM 0.25 DOWNSTREAM 1.1 1.9 1.5 . 1.9 LITTLE HOCKING 3.00 DOWNSTREAM RAVENSWOOD 29.0 DOWNSTREAM 0.6 ND ND ;__ RJZ026565 ND = NOT DETECTABLE 003546-7 - 06/10/87 - RJZ:kst EID091388 EID137085 FINE POWDER DRYER C-8 EMISSIONS REDUCTION LABORATORY STUDIES DEMONSTRATED ABILITY TO SCRUB TO 95% EFFICIENCY CAN CONCENTRATE TO 5% USING ION EXCHANGE CAN CONCENTRATE TO GREATER THAN 10% USING REVERSE OSMOSIS DEMONSTRATED SUCCESSFUL POLYMERIZATION US ING RECOVERED VIRGIN C-8 FROM ION' EXCHANGE RJZ026566 003546-24 - 05/19/87 - RJZ:kst EID091389 EID137086 SURFACTANT RECOVERY ACTION ITEMS START UP TEST C-8 SCRUBBER ON FINE POWDER DRYER EXHAUST - 3Q87 DEMONSTRATE FEASABILITY TO ECONOMICALLY CONCENTRATE AND REUSE C-8 AND OTHER SURFACTANT SOLUTIONS - 4Q87 COMMERCIAL RECOVERY AND RECYCLE OF C-8 IN FINE POWDER - AUTHORIZE $3MM IN 2Q88 - STARTUP- 2H89 - APPLY ABOVE TECHNOLOGIES TO FEP IF ECONOMICAL RJZ026567 003546-28 - 06/09/87 - RJZkst HD09B90 EID137087 TBSA REPLACEMENT IN FEP NO PANACEA 15% CONVERTED IN 1987 - 1.2 MM LBS. FEP ADVANTAGES - REDUCES SURFACTANT DISCHARGE TO OHIO RIVER LBS OF SURFACTANT TO RIVER IN 1986 _______ (if 100% of type)________ C-8 17,500 TBSA 7,400 - CAN MAKE UNIQUE HIGH HFPI/LOW MV POLYMERS WITHOUT PENALTY - DEMONSTRATED 20% HIGHER POLYMERIZING RATES - $1 MM COMPANY COST SAVINGS POTENTIAL 003546-30 - 06/09/87 - EJZskst E1D091391 RJZ026568 EID137088 TBSA REPLACEMENT IN FEP DISADVANTAGES - 30 - 40% RATE PENALTY IN HUMID HEAT TREATING - LOSS OF 1.5 - 2.0 MMAP CAPABILITY - QUALITY PROBLEMS - COLOR AND GEL - DISPERSION AND DRY FLAKE PRODUCTS REQUIRE FDA CLEARANCE 7 - EXPECT TBSA TO ACCUMULATE IN THE BLOOD / gj ~~i~~`7zy<3 . 1 S A ^ - y [Ovi/ I o\ <o ^ i-S o t's' k >'k ^ o T r/I 4oj., ` 003546-31 - 05/19/87 - RJZikst I' E1D091392 EID137089 RJZ026570 TBSA REPLACEMENT IN FEP DISADVANTAGES - 30 - 40% RATE PENALTY IN HUMID HEAT TREATING - LOSS OF 1.5 - 2.0 MMAP CAPABILITY - QUALITY PROBLEMS - COLOR AND GEL - DISPERSION AND DRY FLAKE PRODUCTS REQUIRE FDA CLEARANCE - EXPECT TBSA TO ACCUMULATE IN THE BLOOD <* i. . I* ` g /'.r k `A RJ2026570 003546-31 - 05/19/B7 - RJZikst EID091392 EID137090 TBSA CONVERSION ACTION ITEMS CONTINUE WITH TRANSITION AS BUSINESS OPPORTUNITIES EXIST - FORECAST OF 30% CONVERSION BY 1990 EXPAND HUMID HEAT TREATING CAPABILITY SEEK FDA APPROVAL OF TBSA BASED RESINS RJZ026571 003546-29 - 05/19/87 - RJZ:kst EID091393 EID137091 SUPERNATE POND ELIMINATION BENEFIT - ELIMINATE C-8 CONTAMINATION OF LUBECK WATER SYSTEM AQUIFER FROM THESE PONDS STATUS - PROJECT APPROVED ($320M) 11/86 - PERMIT APPROVAL 3Q87 - START-UP 11/87 RJZ026572 003546-33 - 06/10/87 - RJZ:kst ! EID091394 EID137092 WORK ENVIRONMENT PROGRAMS (in place since 1981) EQUIPMENT DESIGN EQUIPMENT SEALS AND GASKETS LEAK MAINTENANCE OVERALL BUILDING VENTILATION CONTROL VENTILATED HOODS OVER DRYER DOORS VENT STACK HEIGHT FOR PROPER DISPERSION INGREDIENT MAKEUP STATION PROTECTIVE EQUIPMENT COMFO HALF MASK RESPIRATORS BREATHING AIR RESPIRATORS LATEX RUBBER GLOVES MONITORING ' AFFECTED PERSONNEL BLOOD LEVELS PERSONAL AIR MONITORING CRITICAL AREA AIR MONITORING 003546-14 - 05/19/87 - RJZskst E1D091395 RJZ026573 EID137093 f C-8 TRENDS IN AIR C-8 IN AIR (MPB) PERSONAL SAMPLES AEL = 0.56 MPB FEP POLYKETTLE OPERATOR 1980 -- 1981 0.12 1982 0.09 1983 0.09 1984 0.19 1985 0.08 1986 1987 (YTD) 0.13 0.08 FEP WET FINISHING ` OPERATOR 0.95 o i o 0.09 0.11 0.09 0.17 0.12 0.08 RAW DISPERSION A/C OPERATOR ' 1.20 0.26 0.09 0.21 0.20 0.36 0.76 0.30 FINE POWDER DRYER OPERATOR WS920ZTH 1.40 0.56 0.15 0.06 0.10 0.78 0.87 0.11 003546-3&4 - 06/09/87 - RJZskst EID091396 C-8 TREND IN BLOOD FEP PROCESS OPERATOR (17) FEP SERVICE OPERATOR (18) RAW DISPERSION PROCESS OPERATOR (18) GRANULAR PROCESS OPERATOR ( 7 ). FINE POWDER SERVICE OPERATOR (19) MONOMER OPERATOR (31) C-8 IN BLOOD (PPM) 1981 1982 1983 1984 1985 1986 1.53 1.48 1.14 1.09 1.09 1.22 0.60 0.59 0.57 0.53 0.53 0.56 7.66 6.67 6.36 6.38 5.96 6.57 3.44 3.12 2.64 2.70 2.38 2.93 2.25 1.01 2.07 1.02 1.74 0.83 1.59 0.82 1.37 0.81 1.37 am ALL TEFLON* OPERATORS (490) 0.98 0.92 -- -- m EID091397 * DuPont's registered trademark for its fluorocarbon resin 003546-5&6 - 06/09/87 - RJZkst 5S920Zni FINE POWDER DRYING C-8 IN AIR HISTORY 1980 - 1981 - INITIAL CONTROL PROGRAM 1982 - 1985 - C-8 LEVELS BELOW 0.6 MPB JUNE - DEC '85 - "FRESH AIR" TO DRYER SWITCHED FROM DRYER ROOM TO EXTERNAL - INSTALLED NEW LARGE DRYER - C-8 LEVELS ROSE TO 2.3 MPB ACTION TO RESPOND - INSTALLED VENTS ON FLOAT TANKS - RELOCATED PACKOUT ROOM H&V INTAKE - INSTALLED LARGER DRYER ROOM EXHAUST FAN - PROVIDED FRESH AIR TO DRYER CONTROL ROOM AUG '86 C-8 LEVELS FELL TO 0.9 MPB ACTION ITEM - REPLACED GASKETS ON NO. 3 DRYER DEC '86 - TODAY - C-8 LEVELS FELL TO 0.2 MPB 003546-23 - 06/10/87 - RJZ:kat EID091398 RJZQ26576 EID137096 ACTIVITY AT OTHER SITES SITE DORDRECHT ACTIVITY ~ Initial blood sampling - C-8 in air monitoring MDF -- No blood sampling -- C-8 in air monitoring CHAMBERS WORKS - initial blood and air sampling - Not sampling today 2 N s 3M - Blood sampling for organic fluoride - Highest levels now below 10 ppm SPRUANCE ~ Initial blood and air sampling - Not sampling today OUTSIDE DuPONT END USER (CHEMFAB) - Notified of birth defect problem - Told to continue existing practices - No sampling C&P No blood sampling for- other telom er products including TBSA 003546-869 - 06/09/87 - RJZ:kst EID091399 EID137097 ACTION ITEMS ADMINISTRATIVE ESTABLISH A MAXIMUM SAFE C-8 IN BLOOD CONCENTRATION ESTABLISH A MAXIMUM SAFE C-8 IN DRINKING WATER LEVEL USE AIR AND BLOOD MONITORING AT ALL DIRECT USER SITES FOR THOSE PERSONNEL AND AREAS WHERE EXPOSURE IS GREATEST - ESTABLISH A MINIMUM THRESHOLD LEVEL - PERIODIC SAMPLING TO MONITOR PERFORMANCE REVIEW C-8 IN BLOOD DATA IN DETAIL TO DETERMINE IF ADDITIONAL CONTROL DEVICES ARE REQUIRED MAINTENANCE MAINTAIN PRIORITY ON SEALING OF NEW DRYER AT WASHINGTON WORKS PROCESS EXAMINE BENEFITS OF PURCHASE OF AQUEOUS SOLUTIONS OF C-8 VERSUS POWDER CONTINUE TO EXAMINE NEW SURFACTANTS LIKE C-9, C-10 AND C-12 EID091400 003546-25 - 06/09/87 - RJZrkst EID137098 RJZ026578 JS^oe^TOSBiSi^! CONCLUSIONS SIGNIFICANT ENVIRONMENTAL REDUCTIONS ARE EXPECTED BY 1989. PRESENT CONTROL SYSTEMS HAVE REDUCED C-8 IN BLOOD CONCENTRATIONS FROM 1979 LEVELS. FURTHER REDUCTIONS ARE EXPECTED IN THE FUTURE. ELIMINATION OF C-8 IN EMPLOYEES BLOOD APPEARS UNLIKELY. RJZ026579 003546-34 - 06/04/87 - RJZ'.kat EID091401 EID137099 KEY POINTS Karrh agreed to work directly with his counterpart at 3M to get the 3M C-8 chronic study in rats released. Karrh stated that we should consider reducing the pressure on the conversion of C-8 to TBSA in FEP. It was agreed that business needs should drive this program. Karrh and Todd asked if there was a way to determine if there was an aquifier water flow from under the supernate ponds to the Lubeck Water System wells. R. J. Zipfel has lead on this. Karrh asked if supernate shipment to Chambers Works was the long term solution for the disposal of supernate containing C-8. Zipfel answered yes, but there is a low probability chance on the development of a new strain of bacteria which could destroy the C-8 or recovery using the technology being developed for the fine powder dryer vent. Karrh asked what is the significance of the high C-8 concentration in the blood of the raw dispersion operator. It was stated that all people who have had their blood tested have had their C-8 levels reported to them. Karrh requested that we get information on the accumulation of other fluorine containing surfactants in the blood of employees. Of specific note was TBSA in Chambers Works personnel. Karrh asked why progress in our use of aqueous C-8 solution in lieu of powder has been so slow. Zipfel responded that liquid C-8 is presently on order by Chambers Works and Dordrecht. Karrh stated that we need to continue to pursue those programs aimed at reducing the public exposure to C-8 as vigorously as we can. He further stated that he agreed that our people will continue to have measureable C-8 levels in blood. The action items recommended by Zipfel were all agreed to. PC#4-2 - 06/15/87 - RJZ:kst EID091402 N o K> ON Ch oo o EID137100