Document J39VVxJ491xmLMJ4jvzzzBN4K

AR226-2146 ATMOSPHERIC MODELING STUDIES WASHINGTON WORKS NEAREST LUBECK NEIGHBOR ANNUAL EXPOSURE IS CA. 0.03 UG/M3 (10% CEG) ASSUMING 85% UTILXTY/90% EFFICIENCY OF FINE POWDER DRIER SCRUBBER. DORDRECHT NEAREST NEIGHBOR ANNUAL EXPOSURE IS CA, 0.03 UG/M3 WITH NO SCRUBBER IN PLACE. SHIMIZU NEAREST NEIGHBOR ANNUAL EXPOSURE IS CA. 0.05 UG/M3 WITH SCRUBBER IN OPERATION. RJZO10047 C ;S L G 1/2/92 EID935502 C-8 STRATEGIES I. WE WILL COMPLY WITH ALL FEDERAL, STATE, AND LOCAL REGULATIONS GOVERNING THE USE AND DISPOSAL OF C-8. II. WE WILL CONTROL C-8 EXPOSURE TO PERSONNEL BY BEING IN FULL COMPLIANCE WITH THE AEL (O.Ol m g /M3) FOR EMPLOYEES AND WITH THE CEG (0.0003 k g /M3 IN AIR, AND 1 PPB IN DRINKING WATER) FOR THE GENERAL PUBLIC. III. WE WILL COMMUNICATE C-8 INFORMATION TO EMPLOYEES AS DETERMINED BY 5PD & SITE MANAGEMENT AND TO THE GENERAL PUBLIC AS DETERMINED BY SPD & SITE MANAGEMENT WITH THE ADVICE OF CORPORATE EXTERNAL AFFAIRS AND LEGAL. IV. WE WILL CONTINUE TO USE C-8 FOR THE MANUFACTURE OF FLUOROPOLYMERS. WE WILL CONTINUE TO REDUCE C-8 EMISSIONS TO THE ENVIRONMENT BY UTILIZING GOOD MANAGEMENT PRACTICES AS REQUIRED BY CORPORATE POLICY. 8W0I0Zfy EXD935503 GLOBAL C-8 USERS SITE WASHINGTON WORKS DORDRECHT WORKS SHIMIZU CHAMBERS WORKS SPRUANCE PARLIN U.S. MAJOR CUSTOMERS NON-U.S. MAJOR CUSTOMERS AMOUNT - LBS 71,100 31,400 15,950 2,000 1,500 2,500 6,150 4,060 RJZ010049 EID935504 s. P i WASHINGTON WORKS C-8 MASS BALANCE (LBS) 1991 EST. PURCHASED DISPOSAL WATER - OHIO RIVER DELAWARE RIVER AIR - OHIO RIVER VALLEY LAND - LETART PRODUCT - DISPERSIONS FINE POWDER TOTAL RECOVERED OR DESTROYED FP DRIERS FEP OVENS TOTAL % OF FEED n.ioo 20,410 11,250 4,590 3,700 11,000 50 63,000 7,500 600 8,100 11.4 RJZ010050 EID935505 * DORDRECHT WORK C-8 MASS BALANCE (LBS) 1990 EST. FJMMEB DISPOSAL WATER - MERWEDE RIVER 31x100 21,200 AIR - 7,100 UND - DORDRECHT MUNICIPAL DISPOSAL AREA 400 PRODUCT - DISPERSIONS 2,300 TOTAL 31,000 RECOVERED OR DESTROYED FEP OVENS % OF FEED 400 X.2 RJZI0051 EXD935506 SHIMIZU WORKS C-8 MASS BALANCE (LBS) 1990 ACTUAL PURCHASED DISPOSAL WATER - SU6URA BAY AIR UNO PRODUCT TOTAL RECOVERED OR DESTROYED INCINERATOR - SUPERNATE % OF FEED 15.950 12,800 500 10 1,700 15,000 950 6.0 EID9355Q7 OTHER C-8 HASS BALANCES CHAMBERS WORKS SPRUANCE PARLIN 1560 LBS TO DELAWARE RIVER 350 LBS TO AIR 90 LBS TO PRODUCT 1500 LBS TO JAMES RIVER 2500 LBS TO OTHER CUSTOMERS RJZO10053 EID93550B A C om m unity Exposure G uideline ("CEG") is an exposure guideline established b y H askell Laboratory. The CEG assum es a 24-hour lifetim e exposure by all, including the m ost sensitive individuals, in an exposed com m unity population. Exposure above the CEG w ill not necessarily result in any adverse effects. W here data indicates that the CEG m ay be approached or exceeded, H askell, the appropriate Business and Legal w ill evaluate, what action, if any should b e taken. It is the Com pany's intent to m aintain exposure below the CEG. EID935509 RJZO10054 fLQML C-3 ISSUES WASHINGTON WORKS - LAB DISCUSSION - C-8 LEVELS IN AIR - RESOLVED - OHIO & DELAWARE RIVER - GROUNDWATER - LANDFILL - LETART & DRY RUN DORDRECHT WORKS - C-8 LEVELS IN AIR - RESOLVED - MERWEDE RIVER - LANDFILL SHIMIZU WORKS - SUGURA BAY CHAMBERS WORKS - RECOVERY IN PACT UNIT SPRUANCE - JAMES RIVER MAJOR CUSTOMERS - AWARENESS OF HAZARD EID935510 RJZO10055 EXP, STA. CH2MHILL WASHINGTON WORKS C-8 ANALYTICAL PROGRAM METHOD DERIVITIZE GC ACCURACY DETECTION LIMIT 3 h 1.4 PPB 1 PPB EXTRACTION DERIVITIZE GC .0066 PPB 0.1 PPB DERIVITIZE/GC 1/2 PPM COST/ SAMPLE LAB EPA RECOGNIZED >$350 NO T350 YES - NO PREFERRED LAB - CH2MHILL - ROUTINE C-8 SAMPLES EXP. STA. - NEW PROCEDURES EID935511 9$ooiozra FINE POWDER DRIER YEHT SCRUBBER mi m m SCRUBBER EFFICIENCY SYSTEM UTILITY 1991 RECOVERED C-8 STATUS 12/91 PROJECT OBJECTIVES 90 90 92 95 7800 (60%) 13,000 ) )i SYSTEM START-UP - 3/90 RJZ010057 EXD935512 C A S E J WORKS C'Q &NMU&L M EAN OONCEN TR>/PT/0M 8500IOZfH EID935513 002, w j?ou/j.r/o 009/- RJZOIO059 W 3 W ItflN N t 9 - 0 SX/OM NOON/H'&Wi WASHINGTON WORKS C-8 IN WATER SOURCES OHIO RIVER GRANULAR FINE POWDER/DISPERSION FEP TOTAL DELAWARE RIVER DISPERSION SUPERNATE LBS/YR 160 2,850 17,400 20,410 11,250 RJZO10060 EID935515 CfLcourrt-ft k*>ooAL fi o c . - . (. P f * EID935516 RJZ01006 EXD935517 z9ooiozra WASHINGTON WORKS -Cr8.IN WATER PROGRAMS program CAPTURE FEP DRIER VENT (11,000 LBS/YR) DETERMINE CHAMBERS WORKS PACT PROCESS MASS BALANCE RECOVER C-8 FROM PTFE SUPERNATE (10,000 LBS/YR) REPLACE C-8 IN FEP WITH TBSA STATUS BASIC DATA DEVELOPMENT IN PROGRESS EST.CQ.MP, 30'92 IQ'92 CONCEPT STAGE 25% COMPLETE GOAL-1994 UNKNOWN RJZ010063 EID935518 N EID935519 7000 C-8 RESULTS ALL NUMBERS IN PPM 005 EID 93552Q 9900 lOZRJ LM W -l LMW-7 <S> -- LMW-8 > il LMW-2A \ i EQUSIHPEMDENT UPPER POND wo LOWER POND 9 ! unr-4 <3)LMW-3 LMW- / i APPROXIMATE SCALE 0 200 400 L FEET FIGURE 2 SITE MAP IETART LANDFILL EID935521 RJZO10067 C -8 RESULT 'ses. i B WEST 780 760 748 720 i 700 - 600 g 5U/ 660 d 640 620 600 660 560 GEOLOGICAL CROSS-SECTION B LETART LANDFILL DUPONT WASHINGTON WORKS 6900I0ZfH PARKERSBURG WEST VIRGINIA B' EAST B' LEOEND SANDSTONE AND SIU3TONE ] SHALE I SICNWtTCNRrViM! 760 760 740 720 700 680 660 640 620 600 560 560 20 Ft SCALE .... - J 10 0 EXD935523 LETART LANDFILL STRATEGY 1) SUBMIT COMPLIANCE SCHEDULE TO DNR IN 1QR 1992 TO ALLOW CONTINUED OPERATION THROUGH NOVEMBER 1, 1992 2) EVALUATE COMPLIANCE SCHEDULE OPTIONS: CONTEST LINER EQUIVALENCY DECISION: REQUEST WAIVER - DECIDE SIGNIFICANCE OF C-8 PRESENCE IN ZONE F RETROFIT LANDFILL - DECIDE COST EFFECTIVENESS FOR 3000 TON/YR WASTE CLOSE LANDFILL - OTHER TEFLON* WASTE MANAGEMENT OPTIONS AVAILABLE DISPOSAL AT OTHER LANDFILLS t WASTE MINIMIZATION t SCRAP RECOVERY EID935524 I PROGRESS AND PROGRAMS 1) TECHNOLOGY STUDIES LITERATURE SURVEY COMPLETED - BIODEGRADATION NOT EFFECTIVE - INCINERATION - CARBON ADSORPTION - ION EXCHANGE ELECTRO-CHEMICAL DESTRUCTION - U OF D ))' 2) DRY RUN LANDFILL SLUDGE ENCAPSULATED 0 SAMPLES 1Q92 3) SITE REMEDIATION PUMP TO CONTAIN EID935525 RJZ010071 COMMUNICATIONS 1) NEW WELL FIELD RESULTS LPSD (DONE) RESAMPLE AFTER WELLS ARE ON LINE (1092) 2) VI REPORT RESULTS EPA (REGION III), WV-DNR, LPSD, LOCAL MEDIA DUE 4/6/92 3) LETART RESULTS WV-DNR COMPLIANCE SCHEDULE (1092) EID935526 ziooiozra OTHER GLOBAL C-8 PROGRAMS t DORDRECHT - C-8 IN AIR SCRUBBER - SCOPE DEV. - MRWEDE RIVER ANALYSIS SHIMIZU - C-8 SCRUBBER ON LINE - SU6URA BAY ANALYSIS CHAMBERS WORKS - WASTE WATER TREATMENT ANALYSIS SPRUANCE - JAMES RIVER ANALYSIS CUSTOMERS - NEW MSDS ISSUED EID935527 RJZO10073