Document npYrErdMq96d7RpL0jL3o0gj1

DEPARTMENT LOUISIANA DIVISION INDUSTRIAL HYGIENE REPORT AN OPERATING UNIT OF THE DOW CHEMICAL COMPANY FILE NUMBER DATE SOLVENTS / EDC 1 LAD - SOLV/EDC - 88.01 12-08- TITLE SOLVENTS / EDC 1 INDUSTRIAL HYGIENE ACTIVITY REPORT - 1988 AUTHOR SIGNATURE MICHAEL S. BROWN REVIEWER SIGNATURE BRUCE A. HEINZE SUMMARY OF 1988 (Personnel monitoring was conducted on ib dow operations personnel and ON 7 CONTRACT MAINTENANCE PERSONNEL. ALSO INCLUDED IN THE SURVEY, WERE SAMPLES FROM 4 AREAS WITH POTENTIAL EXPOSURE PROBLEMS?} INDUSTRIAL HYGIENE MONITORING IN 1988 CONCENTRATED ON TASK ORIENTATED SAMPLES THAT HAD POTENTIALLY HIGH SHORT TERM EXPOSURE. LALSO, THERE WERE 6 SAMPLES TAKEN IMMEDIATELY AFTER A SPILL DUE TO A BLOWN RUPTURE DISC ON R-1C (P/T REACTOR). THESE SAMPLES PROVIDED VALUABLE DATA AS TO THE AREA OF CONTAMINATION AND DECIDING ON THE CORRECT LEVEL OF PROPER PERSONNEL PROTECTION NEEDED.P THE SAMPLING CONSISTED OF TWO PHASES, RCL'S AND HEXES, AND THE APPROVED METHODS FOR EACH OF THESE WAS USED. COMPOUNDS ANALYZED FOR IN THE RCL SURVEY WERE : CARBON TETRACHLORIDE, ETHYLENE DICHLORIDE, PROPYLENE DI CHLORIDE, PERCHLOROETHYLENE, AND BETA-TRI. COMPOUNDS ANALYZED FOR IN THE HEX SURVEY WERE : HEXACHLOROETHANE, HEXACHLOROBUTADIENE, AND HEXACHLROBENZENE. ^ANALYSES PERFORMED SUPPORT HISTORICAL DATA THAT INDICATES THERE ARE NO UNKNOWN EXPOSURE PROBLEMS. DATA ALSO COMFIRMS SOME ALREADY KNOWN POTENTIAL EXPOSURE PROBLEMS.} ADDITIONALLY, AN AREA NOISE SURVEY WAS CONDUCTED AND THE RESULTS WERE PRESENTED TO ALL EMPLOYEES DURING THE SOLVENTS / EDC 1 ANNUAL REVIEW OF ALL INDUSTRIAL HYGIENE CONCERNS (TOXIC CHEMICAL REVIEW, CONSEQUENCES OF OVEREXPOSURE, AND HEARING CONSERVATION PROGRAM). GOALS FOR 1989 : 1. INCORPERATING MORE EMPLOYEES INTO OUR PROGRAM. 2. A GREATER SAMPLING FREQUENCY. 3. PERSONNEL NOISE SURVEY. 4. CONTINUE HEX WIPE SAMPLING. DISTRIBUTION LOUISIANA MIDLAND PITTSBURG *L. D. ADCOCK -2306 *L. W. RAMPY -1B03 *F. D. AXE ll. Hj BELL / M. G. SWANK -1B03 STRONGSVILLE DR. M. CURRIER -2303 *J. E. LEBEAU -1803 *G. L. MEIER DR. G. KUSCH r3P3 *B. W. ENGDAHL -1803 SARNIA S. G. Z0\JE./B4tf&aSta 3^0 *R. D. OLSON -1803 F,U).Lurhi T. M. GUNN -1601 *A. F. POLLOCK - 258 FREEPORT L. N. CONLEY -1601 *A. W. SCHAFFER -1B03 *D. E. CRAGER W. A. McGLINCHEY -1601 R. J HOTARD -1601 COVER LETTER ONLY DO 078775 OONFTDFNTTAI RESTRICTED : FOR USE WITHIN THE DOW CHEMICAL COMPANY ONLV DOW CHEMICAL LAD SOLVENTS / EDC 1 SOLVENTS PROCESS DESCRIPTION IN THE SOLVENTS PLANT, CARBON TETRACHLORIDE AND PERCHLOROETHYLENE ARE SYNTHESIZED WHEN A THERMAL CHLORINATION REACTION OCCURS BETWEEN CHLORINE AND VAPORIZED HYDROCARBONS. THE REACTION IS CONTROLLED IN A CHLORINE EXCESS BY THE ADDITION OF DILUENT (LIQUID OR VAPOR) TO THE REACTOR INLET LINE. AFTER THE REACTION IS QUENCHED, THE CRUDE REACTOR PRODUCT FIRST UNDERGOES A LIGHTS REMOVAL PHASE. IN THIS PHASE, THE CHLORINE REMOVED IS RECYCLED BACK TO REACTOR, AND THE HYDROGEN CHLORIDE REMOVED IS EITHER SENT TO THE VINYL II PLANT AS A RAW MATERIAL IN THE PRODUCTION OF ETHYLENE DICHLORIDE OR SENT TO THE ACID SECTION OF THE PLANT AND USED AS A RAW MATERIAL IN THE PRODUCTION OF HYDROCHLORIC ACID. THE NEXT PHASE OF THE DISTILLATION PROCESS OCCURS WHEN THE CARBON TETRACHLORIDE IS DISTILLED FROM THE PERCHLOROETHYLENE AND HEAVIES. THE FINAL PHASE IN THE DISTILLATION SECTION OCCURS WHEN THE PERCHLOROETHYLENE IS DISTILLED FROM THE HEAVIES AND THE HEAVIES ARE SENT BACK TO THE REACTOR SYSTEM AS DILUENT. THE PRODUCTS CARBON TETRACHLORIDE AND PERCHLOROETHYLENE THEN UNDERGO THE FINAL PHASE OF THE PROCESS WHEN THEY ARE FILTERED IJM CAUSTIC FLAKE AND ACTIVATED CARBON FILTERS TO REMOVE WATER AND OTHER REMAINING IMPURITIES. THE FINISHED PRODUCTS ARE THEN SENT TO TANK FARM STORAGE AND USED AS A SALES GRADE PRODUCT TO SUPPLY CUSTOMERS THROUGH OUT THE UNITED STATES. MB:12/89 DO 078776 CONFTDFNTTAt DOW CHEMICAL LAD SOLVENTS / EDO 1 EDC PROCESS DESCRIPTION IN THE EDC 1 PLANT, ETHYLENE DICHLORIDE IS SYNTHESIZED WHEN AN EXOTHERMIC REACTION OCCURS BETWEEN CHLORINE AND ETHYLENE. THE REACTION IS CONTROLLED IN AN ETHYLENE EXCESS BY A LIQUID BED OF ETHYLENE DICHLORIDE. THE PRODUCT UNDERGOES A HEAVIES REMOVAL PHASE WHILE IN THE REACTOR ITSELF, AND A LIGHTS REMOVAL PHASE IN THE DISTILLATION SECTION OF THE PLANT. THE HEAVIES REMOVED ARE SENT TO THE SOLVENTS PER / TET REACTOR, R-1C, AS A RAW MATERIAL IN THE PRODUCTION OF F'ERCHLOROETHYLENE AND CARBON TETRACHLORIDE. THE LIGHTS REMOVED ARE SENT TO THE VINYL II OXY REACTOR AND IN TURN ARE USED AS A RAW MATERIAL IN THE PRODUCTION OF ETHYLENE DICHLORIDE. THE FINISHED PRODUCT ETHYLENE DICHLORIDE IS EITHER SENT TO VINYL II AS A RAW MATERIAL FOR VINYL CHLORIDE MONOMER PRODUCTION, OR, IT IS SENT TO TANK FARM STORAGE AND USED AS A SALES GRADE PRODUCT TO SUPPLY CUSTOMERS THROUGH OUT THE UNITED STATES. MB:12/89 DO 078777 CONFIDENT! Al SAMPLING AND ANALYTICAL PARAMETERS SAMPLING PROCEDURE FOR RCL'S AND HEXES SAMPLING WAS PERFORMED USING THE ANATOLE J. SIPIN COMPANY PERMI5SBLE PERSONNEL SAMPLING PUMP, MODEL # SP-1. THESE PUMPS WERE CALIBRATED TO 100 CC'S PER MINUTE FLOW USING THE DUPONT CONSTANT FLOW SAMPLER CALIBRATOR GRADUATED BUBBLE CYLINDER. CALIBRATION WAS PERFORMED BEFORE AND AFTER SAMPLES WERE TAKEN TO INSURE ACCURACY. COLLECTION TUBE HOLDERS WERE CONNECTED TO THE SAMPLER BY A 2' (FOOT) SECTION OF TYGON TUBING. FOR RCL SAMPLING, A 4" (INCH) DUAL SECTION ACTIVATED CHARCOAL GLASS TUBE (SKC, LOT 120, 400 MG FRONT SECTION AND 200 MG BACK SECTION), WAS USED. FOR HEX SAMPLING, A 4" (INCH) DUAL SECTION PORAPACK QS GLASS TUBE (SKC, SPECIAL LOT, 100 MG FRONT SECTION AND BO MG BACK SECTION), WAS USED. TO INSURE REPRESENTATIVE SAMPLING, THE EMPLOYEES MONITORED WERE REQUIRED TO WEAR THE TUBE HOLDER ON THE COLLAR OF THEIR SHIRT. THIS ALLOWED THE SAMPLE TO BE TAKEN IN THE ACTUAL "BREATHING ZONE" OF EACH INDIVIDUAL. SAMPLE PREPARATION RCL SAMPLES WERE PREPARED BY DRY ICE CHILLING 10 ML'S OF CS2 IN A 25 ML GLASS VIAL, WITH A MININERT VALVED TOP, AND THEN ADDING THE 600 MG OF CHARCOAL FROM THE SAMPLE TUBE. THE SAMPLE WAS THEN ALLOWED TO COME TO ROOM TEMPERATURE AND THEN SHAKEN FOR SEVERAL HOURS TO ALLOW FOR MAXIMUM EXTRACTION. A 1 ML SAMPLE WAS WITHDRAWN AND TRANSFERRED TO A 2 ML SEPTUM TOP VIAL, THEN IT WAS LOADED ONTO AN AUTO INJECT CAROUSEL FOR GAS CHROMATOGRAPH ANALYSIS. HEX SAMPLES WERE PREPARED BY PLACING THE 180 MG OF PORAPACK PACKING INTO A 25 ML GLASS VIAL, WITH A MININERT VALVED TOP, AND THEN ADDING 10 ML'S OF HEXANE. THE SAMPLE IS THEN SHAKEN FOR SEVERAL HOURS TO ALLOW FOR MAXIMUM EXTRACTION. A 1 MICROLITER SAMPLE WAS WITHDRAWN AND TRANSFERRED TO A 2 ML SEPTUM TOP VIAL, THEN IT WAS LOADED ONTO AN AUTO INJECT CAROUSEL FOR GAS CHROMATOGRAPH ANALYSIS. ANALYTICAL RCL ANALYSES WERE DONE USING A HEWLETT PACKARD 5790 A GAS CHROMATOGRAPH .EQUIPPED WITH A FLAME IONIZATION DETECTOR. THIS CHROMATOGRAPH WAS INTERFACED TO A HEWLETT-PACKARD MODEL 21 MX COMPUTER WHICH DETERMINED CONCENTRATIONS BASED ON THE INTEGRATED PEAK AREA. INSTRUMENT CONDITIONS WERE AS FOLLOWS : DO 073728 CONFTDFNTTAl COLUMN ! MODEL # OV 1701, 25 METERS, .32 MILLIMETER I. D., 1 MICRON FILM, FUSED SILICA. TEMPERATURE PROGRAM : (DEGREES CENTIGRADE) DETECTOR - 150 DEGREES INJECTOR - 150 DEGREES OVEN - 2 MINUTES AT 50 DEGREES 8 MINUTE RAMP UP AT 10 DEGREES A MINUTE TO 130 DEGREES .5 MINUTES AT 130 DEGREES ATTENUATION : 1 SAMPLE SIZE : 5 MICROLITERS CARRIER GAS : HELIUM INJECTION SPLIT FLOW : 96 CC/MINUTE ELUTION TIMES 2.61 CS2 (MINUTES) 3.92 TET 4.58 EDC 5.32 PDC 6.96 PER 7.24 B-TRI GAS FLOW : HELIUM 3.5 CC/MINUTE (COLUMN) GAS PRESSURE : HELIUM 10.5 PSI HYDROGEN 23.0 PSI AIR 21.0 PSI HEX ANALYSES WERE DONE USING A HEWLETT-PACKARD MODEL 5790 A GAS CHROMATOGRAPH EQUIPPED WITH AN ELECTRON CAPTURE DETECTOR. THIS CHROMATOGRAPH WAS INTERFACED TO A SPECTROPHYSICS MODEL 4100 COMPUTER/INTEGRATOR WHICH DETERMINED CONCENTRATIONS BASED ON THE INTEGRATED PEAK AREA. INSTRUMENT CONDITIONS WERE AS FOLLOWS : COLUMN : MODEL # DB-5, 30 METERS, .32 MILLIMETER I. D., 1 MICRON FILM, CAPILLARY. TEMPERATURE PROGRAM : (DEGREES CENTIGRADE) DETECTOR - 200 DEGREES INJECTOR - 200 DEGREES OVEN - 4 MINUTES AT 200 DEGREES 8 MINUTE RAMP UP AT 10 DEGREES A MINUTE 280 DEGREES .5 MINUTES AT 280 DEGREES TO ATTENUATION : SAMPLE SIZE : 1 MICROLITER CARRIER GAS : HELIUM INJECTION SPLIT : 10 TO 1 ELUTION TIMES a 3.00 HCE (MINUTES) 3.65 HCBD 9.09 HCBZ GAS FLOWS s HELIUM 1 CC/MINUTE NITROGEN 60 CC/MINUTE GAS PRESSURE : HELIUM 50 PSI NITROGEN 10 PSI (COLUMN) (MAKEUP) RO 078779 CONFTDFNTTAL ANALYTICAL EQUATIONS RCL EQUATION PPM VOLUME OF RCLS IN AIR = (WEIGHT OF C52 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 .0821 DEGREES K MW L CARBON DISULFIDE USED FOR DESORPTION GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES KELVIN (DEGREES CENTIGRADE + 273) MOLECULAR WEIGHT OF SPECIFIC COMPOUND LITERS OF AIR SAMPLED HEX EQUATION PPB VOLUME OF HEXES IN AIR (MG) (24.45) (1000) \ (L) (MW) (RR) WHERE : MG = MICROGRAMS FROM INTEGRATOR DATA 24.45 = LITERS OCCUPIED BY 1 MOLE OF GAS AT STANDARD CONDITIONS L = LITERS OF AIR SAMPLED MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND RR = RECOVERY RATE OF COMPONENT MB:12/89 0 078730 cC>NFTDFNTrA, DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) 06-15-B8 TIME START : 9s10 PM SAMPLE NUMBER 05349 TIME STOP s 10:10 PM SAMPLE TIME (MIN. ) 60 SAMPLE VOLUME (L) i 6.92 PUMP START FLOW : 100 CC/MIN. SAMPLE TYPE (A, S, P) : S PUMP STOP FLOW t 100 CC/MIN. (A=AREA, S=SHORT TERM, P=PERSONNEL) IF AREA, DESCRIBE RESPIRATOR USED (1-7) 5 8 OR 12 HOUR SHIFT 8 SHIFT (DAY,NIGHT, EDO) D EMPLOYEE I. D. # 438-44-3793 JOB DESCRIPTION SHOVELING AND DRUMMING DIRT /. SLUDGE FROM V-201 SUMP. WORE PAPER SUIT OVER NOMEX. RESPIRATOR TYPES : 1=N0NE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DU5T MASK, 7=SCBA. ANALYTICAL RESULTS : : COMPOUND DOW : EXPOSURE : REGISTRY : GUIDELINES : NUMBER * PEL STEL LABORATORY ANALYSIS LOD RESULT TET 0002-3654 5 0.004 141.80 : MONITORING : RESULT P p 8 HR TWA AREA 41.93 EDC p 0001-8531 10 0.003 4.00 1.84 F'DC 0001-9943 75 110 0. 003 14.66 5.90 PER : 0002-3698 50 200 : 0.004 44.65 * 12.25 B-TRI 0002-3687 10 0.003 0.003 P P < 0.01 NOTE : ALL DATA IN PPM. i p p p p p p RCL EQUATION : PPM VOLUME OF RCLS IN AIR = (WEIGHT OF CS2 IN GRAMS) (.0B21) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 - CARBON DISULFIDE USED FOR DESORPTION .0821 = GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND L = LITERS OF AIR SAMPLED DO 078731 CONFTOF.NTTAl Directory DUO:C5,1603 4--AUG--90 11:13 IHRCL.BB;129 lfc4 IHRCL. 88; 130 tfc> IHRCL.88;131 IHRCL.BB; 132 u/1 IHRCL. 88; 133 lbg> IHRCL.88;135 \b9 IHRCL. 88; 136 HO IHRCL.88;137 V7| " IHRCL. 88; 138 \T1~ " IHRCL.88;139 \1 IHRCL. 88; 140 OAIHRCL.88;141nS IHRCL. 88; 142 nu IHRCL.BB; 143\l7 IHRCL.88;144 IHR'CL. 88; 145 IHRCL.88;146 IHRCL.88;147 IHRCL.88;148 IHRCL.88;149 IHRCL.88;150 IHRCL.BB;151 IHRCL.8B;152 IHRCL.88;153 IHRCL.88;154 IHRCL.88;155 IHRCL.8B;156 IHRCL.88;157 IHRCL.88;158 IHRCL.88;159 IHRCL.88;160 IHRCL.88;161 7. 7. 7. 7. 7. 7. 7. (m r 7. 7. 7. 7. 7, 7. 7. 7. 7. 7. 7. t 7. 7. 7. 7. 71 7 7 77 7. i 12-JUL-90 18 16 12-JUL-90 18 19 04--AUG--90 08 13 04-AUG-90 08 19 04-AUG-90 08 23 04-AUG-90 08 27 04-AUG--90 08 33 04-AUG-90 09 01 04--AUG--90 09 04 04--AUG--90 09 07 04--AUG--90 09 14 04--AUG--90 09 17 04-AUG-90 09 20 04--AUG--90 09 23 04-AUG-90 09 26 04--AUG--90 09 29 04--AUG--90 09 31 04--AUG--90 09 33 04--AUG--90 09 35 04--AUG--90 09 38 04--AUG--90 09 40 04--AUG-90 10 28 04--AUG--90 10 31 04--AUG--90 10 39 04-AUG--90 10 42 04-AUG-90 10 44 04-AUG--90 10 46 04--AUG-90 10 48 04--AUG--90 10 50 04--AUG-90 10 53 04-AUG-90 10 55 04--AUG--90 10 57 Total o-f 224./224. blocks in 32. tiles 07B73 CC)NFjfrFNr Ml Directory DUO:C5,1603 4-AUG-90 12:58 IHHEX.88;28 IHHEX.88;29 IHHEX.8B;30 IHHEX.B8;31 IHHEX.88;32 IHHEX.88;33 IHHEX.88;34 IHHEX.88;35 IHHEX.B8;36 IHHEX.B8;37 6. 6. 6. 6. 6. 6. 6. 6. 6. 6. 04-AUG-90 12:25 04-AUG-90 12:31 04-AUG-90 12:34 04--AUG--90 12:36 04-AUG-90 12:40 04--AUG--90 12:42 04--AUG--90 12:44 04-AUG-90 12:46 04-AUG--90 12:48 04-AUG-90 12:51 Total of 60./60. blocks in 10. files > DO 07R733 00NF1 DFNTTAl DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDO 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) : 06-15-88 TIME START 9:10 PM SAMPLE NUMBER : 05349 TIME STOP 10!10 PM SAMPLE TIME (MIN.) : 60 SAMPLE VOLUME (L) : 6.92 PUMP START FLOW 100 CC/MIN. SAMPLE TYPE (A, S, P) s S PUMP STOP FLOW 100 CC/MIN. (A=AREA, S=SHORT TERM, P=PERSONNEL) IF AREA, DESCRIBE RESPIRATOR USED (1 - 7) 8 OR 12 HOUR SHIFT :8 SHIFT (DAY,NIGHT, EDO) ! D EMPLOYEE I. D. # 438-44-3793 JOB DESCRIPTION SHOVELING Al^"DRUMMING DIRT / SLUDGE FROM V-201 SUMP. WORg^PA^ER SUIT OVER NOMEX. RESPIRATOR TYPES 1=N0NE, 2=Mmp^J,*V 3=C0MF0 II, 4=FULL FACE, 5=BREATHJNQ^AIr^r 6=DUST MASK, 7=SCBA. COMPOUND DR # TET : 0002-3654 'ja^nalyt^al RESULTS Wsu/V/Z . _ : STEL !: LOO ANALYSIS RESULT 8 HOUR TWA: 5 : , 0 : 0. 004 141.80 * 41.93 EDC F'DC 0001-8531 0001-9943 10 (o\ ! 0. 003 r 110 : 0. 003 4.00 14.66 1.84 5.90 * * PER B-TRI 0002-3698 0002-3687 : 50 * 200 : 0.004 10 * \ : 0. 003 44.65 12.25 0.003 < 0.01 : NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. AREA * m RCL EQUATION : PPM VOLUME OF RCLS IN AIR * (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE ! CS2 CARBON DISULFIDE USED FOR DESORPTION . .0821 * GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW * MOLECULAR WEIGHT OF SPECIFIC COMPOUND L = LITERS OF AIR SAMPLED MB:12/89 DO 078734 (":ONF TDFNTTAI DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) : 06-15-88 TIME START 9:10 PM SAMPLE NUMBER : 05350 TIME STOP 10:10 PM SAMPLE TIME <MIN.) : 60 SAMPLE VOLUME (L) i 7.20 PUMP START FLOW 100 CC/MIN. SAMPLE TYPE <A, S, P) : S PUMP STOP FLOW 100 CC/MIN. (A=AREA, S=SHORT TERM, P=PER50NNEL) IF AREA, DESCRIBE RESPIRATOR USED (1 - 7) : 5 8 OR 12 HOUR SHIFT :8 SHIFT (DAY,NIGHT, EDO) : D EMPLOYEE I. D. # 439-54-8708 JOB DESCRIPTION SHOVELING AND DRUMMING DIRT / SLUDGE FROM V-201 SUMP. WORE PAPER SUIT OVER NOMEX. RESPIRATOR TYPES 1=N0NE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7=SCBA. COMPOUND TET EDC DR # ANALYTICAL RESULTS Wt ^ /tt itn/AC : ;/ : : THG : STEL m LOQ : ANALYSIS RESULT : B HOUR TWA: 0002--3654 C? : :0 0. 004 * 85.21 : 24.20 : 0001-8531 10 : /0'- 0.003 2.60 : 1.15 : AREA PDC PER B-TRI 0001-9943 : 0002-3698 - 0002--3687 - 75 : 110 0. 003 : 50 : 200 0. 004 10 to) 0. 003 * 8.66 : 3.35 23.85 s 2!@ 0. 003 : < 0.01 : * : NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. : * * . RCL EQUATION : PPM VOLUME OF RCLS IN AIR = (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 = CARBON DISULFIDE USED FOR DESORPTION .0821 = GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND L = LITERS OF AIR SAMPLED MB:12/89 00 07R73s C0NFjvfnttai DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT * : 16 / 17 SAMPLE DATE (MM/DD/YY) s 07-11-88 TIME START SAMPLE NUMBER : 05356 TIME STOP SAMPLE TIME <MIN.) : 110 SAMPLE VOLUME <L) : 10.87 PUMP START FLOW SAMPLE TYPE (A, S, P) :S PUMP STOP FLOW (A=AREA, S=SHORT TERM, P=PERSONNEL) IF AREA, DESCRIBE RESPIRATOR USED (1-7) 4 8 OR 12 HOUR SHIFT 8 SHIFT (DAY,NIGHT, EDO) D EMPLOYEE I. D. # 435-60-4941 JOB DESCRIPTION REMOVING SECTION OF R-1C OH LINE. 9:37 AM 11:27 AM 100 CC/MIN. 100 CC/MIN. RESPIRATOR TYPES : 1=NQNE, 2=M0UTHBIT, 3=C0MFQ II, 4=FULL FACE, 5=BREATHING AIR, 6=DU5T MASK, 7=SCBA. COMPOUND * DR # ANALYTICAL RESULTS JT * 7Z</ s : tHg :STEL : LOQ ANALYSIS : a a * RESULT : 8 HOUR TWA: AREA TET EDC PDC 0002-3654 : 0001-8531 : 0001-9943 : 5: 0 : 0.004 ^, 10 : /O^) : 0.003 - 75 : 110 : 0-003 a a 0.28 : 0.05 0.003 : < 0.01 0.06 : 0.02 a a : PER * 0002-3698 : 50 : 200 : 0.004 0.20 : 0.04 : B-TRI 0002-3687 : 10 (S> 0. 003 a a 0.003 NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. : < 0.01 a a : a a a a a a RCL EQUATION : PPM VOLUME OF RCLS IN AIR * (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 = CARBON DISULFIDE USED FOR DESORPTION .0821 = GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW * MOLECULAR WEIGHT OF SPECIFIC COMPOUND L ' LITERS OF AIR SAMPLED MB:12/89 DO 0787 36 CONFTDFNTTAI DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDO 1 PLANT # ! 16/17 SAMPLE DATE (MM/DD/YY) : 07--11--88 SAMPLE NUMBER s 0535B SAMPLE TIME (MIN.) s 110 SAMPLE VOLUME <L> : 9.73 SAMPLE TYPE (A, S, P) : S <A=AREA, S=SHDRT TERM, P=PERSQNNEL) IF AREA, DESCRIBE RESPIRATOR USED (1-7) : 4 B OR 12 HOUR SHIFT :8 SHIFT (DAY,NIGHT, EDO) : D EMPLOYEE I. D. # t 438-52-6268 JOB DESCRIPTION : REMOVING SECTI TIME START TIME STOP PUMP START FLOW PUMP STOP FLOW OF R-1C OH LINE. 9:37 AM 11:27 AM 100 CC/MIN. 100 CC/MIN. RESPIRATOR TYPES : 1=N0NE, 2-MOUTHBIT, 3=C0MF0 II, 4-FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7-SCBA. ANALYTICAL RESULTS COMPOUND : TET a DR # a a : l-HG : STEL : LOQ ANALYSIS a a a a aa RESULT : 8 HOUR TWA: lO i a o /\ 5: : 0.004 a a 0. 19 a a a a AREA a a a ;Q to 1 Cd 'O 1 Ul ! -* 1 1 * EDC PDC PER B-TRI a 0001-8531 ; * 0001-9943 : 0002-3698 : 0002-3687 : 10 : ( 6^ / : 0.003 a 75 : 110: 0.003 a a 50 : 200 : 0.004 a a 10 : 0. 003 a a 0.003 : < 0.01 0.06 a 0.02 0.06 a 0.01 0. 003 : < 0.01 aa a a a a aa a a a a a aa NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. II II II II II 11 11 11 II II II ll = = = == = = == = = = ; = = = = = = = = ===*<=======:= =: ==== === = ll II ll H II II ===i:============ = RCL EQUATION : PPM VOLUME OF RCLS; IN AIR = (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K> (PPM FROM CHROMATOGRAM) WHERE : CS2 . 0821 DEGREES K MW L (MW) (L) CARBON DISULFIDE USED FOR DESORPTION GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES KELVIN (DEGREES CENTIGRADE + 273) MOLECULAR WEIGHT OF SPECIFIC COMPOUND LITERS OF AIR SAMPLED MB:12/89 DO 078737 C.'ONF T DF NT I Al DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) : 08-25-88 TIME START ! 9:30 AM SAMPLE NUMBER i 05374 TIME STOP : 2:00 PM SAMPLE TIME <MIN.> : 270 SAMPLE VOLUME (L) : 27.46 PUMP START FLOW s 100 CC/MIN. SAMPLE TYPE (A, S, P) :S PUMP STOP FLOW t 100 CC/MIN. (A=AREA, S=SHORT TERM, P=PERSONNEL) IF AREA, DESCRIBE *a RESPIRATOR USED (1-7) s 3 8 OR 12 HOUR SHIFT :8 SHIFT (DAY,NIGHT, EDO) : D EMPLOYEE I. D. # : 433-52-7995 JOB DESCRIPTION : LOADING DIRT INTO DRUMS FROM T/C RACK EXCAVATION. INCLUDES 30 MIN. LUNCH-. RESPIRATOR TYPES 1=N0NE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7=SCBA. _ : COMPOUND * --= DR # ANALYTICAL RESULTS ~ : 7%is 1+40" : STEL m --~ ~ --== -- - --*== == ; ANALYSIS : : LOG! RESULT a a 8 HOUR TWA: AREA : : l l 1i iVo! M 'i TET a 0002-3654 5 a 0. 004 a a 0.21 a a 0.02 : a a EDC 0001-8531 a 10 = > 0.003 a a 0.003 a a < 0.01 : a a PDC * 0001-9943 a 75 : 110 * 0.003 a a 0.07 a a 0.01 a a PER B-TRI a 0002-3698 a a a 0002-3687 *a 50 : 200 a a 0.004 aa 10 : (6) a 0. 003 aa 0.20 a a 0-01 0.003 a a < 0.01 : : a a a a NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. RCL EQUATION : PPM VOLUME OF RCLS IN AIR = (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 = CARBON DISULFIDE USED FOR DESORPTION .0821 * GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND L <a LITERS OF AIR SAMPLED MB:12/89 DO 078738 confidential. DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT s SOLVENTS / EDC 1 PLANT # : 16/1? SAMPLE DATE (MM/DD/YY) 08-25-88 TIME START SAMPLE NUMBER 05375 TIME STOP SAMPLE TIME (MIN.) .* 270 SAMPLE VOLUME (L) : 27.88 PUMP START FLOW SAMPLE TYPE (A, S, P) : A PUMP STOP FLOW (A=AREA, S=SHORT TERM, P-PERSONNEL) IF AREA, DESCRIBE : T/C RACK DURING EXCAVATION OF DIRT RESPIRATOR USED (1-7) 8 OR 12 HOUR SHIFT SHIFT (DAY,NIGHT, EDO) EMPLOYEE I. D. # JOB DESCRIPTION 9:30 AM 2:00 PM 100 CC/MIN. 100 CC/MIN. RESPIRATOR TYPES 1=N0NE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7-SCBA. ANALYTICAL RESULTS COMPOUND DR # : ANALYSIS : : : I&G :STEL : LOQ : RESULT : 8 HOUR TWA: AREA RCL EQUATION : PPM VOLUME OF RCLS IN AIR = (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 = CARBON DISULFIDE USED FOR DESORPTION .0B21 = GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND L = LITERS OF AIR SAMPLED MB:12/B9 00 078739 C0NF1 DFNTT Al DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME s MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) . 09-01-88 TIME START : 6:30 AM SAMPLE NUMBER : 05376 TIME STOP : 10:30 AM SAMPLE TIME (MIN.) : 240 SAMPLE VOLUME (L) : 25.86 PUMP START FLOW s 100 CC/MIN. SAMPLE TYPE (A, S, P) : A PUMP STOP FLOW : 100 CC/MIN. (A=AREA, S=SHORT TERM, P=PERSONNEL) IF AREA, DESCRIBE s C-2 / C-5B AREA DURING SHUTDOWN / CLEARING. RESPIRATOR USED (1-7 S OR 12 HOUR SHIFT SHIFT (DAY,NIGHT, EDO) EMPLOYEE I. D. # JOB DESCRIPTION RESPIRATOR TYPES : 1=N0NE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7=SCBA. ANALYTICAL RESULTS : COMPOUND DR # : 72-t/ * : : : ANALYSIS : : XUS : STEL LOQ RESULT 8 HOUR TWA: TET * 0002-3654 5 : (q: 0. 004 * 0.21 : AREA 0.02 EDC F'DC PER B-TRI 0001-B531 0001-9943 0002-3698 0002-3687 10 S U V 0.003 m 75 : 110 0. 003 50 : 200 0.004 10 : 0. 003 : 0. 05 0. 06 0. 06 0. 003 0. 01 : 0.01 : < 0.01 : < 0.01 NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. : ** * RCL EQUATION : PPM VOLUME OF RCLS IN AIR = (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K> (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 CARBON DISULFIDE USED FOR DESORPTION .0821 = GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND L = LITERS OF AIR SAMPLED MB:12/B9 DO 0787AO CONFTDFNTT Al DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) 09-01-88 TIME START t 6:30 AM SAMPLE NUMBER 05386 TIME STOP : 10:30 AM SAMPLE TIME (MIN.) : 240 SAMPLE VOLUME (L) s 25.66 PUMP START FLOW : 100 CC/MIN. SAMPLE TYPE (A, S, P) s A PUMP STOP FLOW : 100 CC/MIN. <A=AREA, S=5HORT TERM, P=FERSONNEL) IF AREA, DESCRIBE : C--2 / C-5B AREA DURING SHUTDOWN / CLEARING. RESPIRATOR USED (1-7) 8 OR 12 HOUR SHIFT SHIFT (DAY,NIGHT, EDO) EMPLOYEE I. D. , # JOB DESCRIPTION RESPIRATOR TYPES : 1=N0NE, 2=M0UTHBIT, 3-C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7*SCBA. : COMPOUND DR # ANALYTICAL RESULTS >- xa ^ : ,,, : : -tHG STEL a LOQ : ANALYSIS : : RESULT : 8 HOUR TWA: AREA TET 0002-3654 5 a '0 ' P P 0. 004 p p 0.58 : : 0.05 EDC 0001-8531 * 10 * p p 0.003 p 0. 05 : : 0.01 PDC 0001-9943 * 75 110 * P 0.003 pp 0. 05 : : 0.01 PER B-TRI 0002-3698 0002-3687 50 a 200 P 0.004 : 10 & 0. 003 : 0.06 : 0.003 : : 0.01 : < 0.01 NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. a p p P a a RCL EQUATION : PPM VOLUME OF RCLS IN AIR (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 = CARBON DISULFIDE USED FOR DESORPTION .0821 = GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND L = LITERS OF AIR SAMPLED MB:12/89 00 078741 OONF 1 OF NTT A1 DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) ! 09-28-88 SAMPLE NUMBER : 05387 SAMPLE TIME (MIN.) : 255 SAMPLE VOLUME (L) : 27.67 SAMPLE TYPE (A, S, P) i A (A=AREA, S=SHORT TERM, P=PERSONNEL) IF AREA, DESCRIBE : DUMPING V-201 RESPIRATOR USED (1-7) 8 OR 12 HOUR SHIFT SHIFT (DAY,NIGHT, EDO) EMPLOYEE I. D. # JOB DESCRIPTION TIME START TIME STOP PUMP START FLOW PUMP STOP FLOW SUMP. 7:45 AM 12:00 PM 100 CC/MIN. 100 CC/MIN. RESPIRATOR TYPES 1=N0NE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7=SCBA. ANALYTICAL RESULTS COMPOUND DR # 72.4/ : : STEL : LOQ ANALYSIS RESULT 8 HOUR TWA: TET : 0002-3654 a* 5 : (&/' 1 0. 004 a 2.47 a : AREA 0. 18 EDC ; 0001-8531 a a 10 aa 0. 003 0. 14 a a : 0.02 1 ion o aa PDC PER : 0001--9943 1 a : 0002-3698 a 75 a 110 : 0. 003 a a 50 a 200 : 0.004 a a 0.47 0. 67 a a aa 1 : 0.05 B-TRI : 0002-3687 aa 10 a (Tj-. 0. 003 a a 0. 003 a : < 0.01 NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. : RCL EQUATION : PPM VOLUME OF RCLS IN AIR * (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 CARBON DISULFIDE USED FOR DESORPTION .0821 <= GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K * DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW MOLECULAR WEIGHT OF SPECIFIC COMPOUND L ' - LITERS OF AIR SAMPLED MB:12/89 DO 0787 4? gonftpfnttai DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME ! MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # s 16/17 SAMPLE DATE (MM/DD/YY) : 09-28-88 SAMPLE NUMBER s 05388 SAMPLE TIME (MIN.) : 255 SAMPLE VOLUME (L) : 28.92 SAMPLE TYPE (A, S, P) : A (A=AREA, S=SHORT TERM, P=PERSONNEL) IF AREA, DESCRIBE .* DUMPING V-201 RESPIRATOR USED (1-7) S OR 12 HOUR SHIFT SHIFT (DAY,NIGHT, EDO) EMPLOYEE I. D. # JOB DESCRIPTION TIME START TIME STOP PUMP START FLOW PUMP STOP FLOW SUMP. 7*45 AM 12:00 PM 100 CC/MIN. 100 CC/MIN. RESPIRATOR TYPES : 1=N0NE, 2=M0UTHBIT, 3=COMFO II, 4*FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7=SCBA. ANALYTICAL RESULTS --=--------==-= : rzjr' : : COMPOUND : DR # : : STEL : LOQ : ANALYSIS * : RESULT : 8 HOUR TWA: AREA aa a a TET EDC 0002-3654 : 0001--8531 : 5 : \0j : 0.004 : 10 : (o; : 0.003 : 0.79 0. OB * * 0.06 a a 0.01 a a aa F'DC PER B-TRI 0001-9943 : a 0002-3698 : 0002-3687 : 75 : 110 : 0.003 : 50 : 200 : 0.004 : 10 : 0.003 : 0.20 0.22 0. 003 : a a aa 0.02 a a 0.02 a a < 0. 01 a a a a a a co)! j NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. :== = !=: s = =s= = = ;= = = = = 3S========= = =====*=======: ======= == = = = RCL EQUATION : PPM VOLUME OF RCLS; IN AIR = (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) II II II II II II II II II 11 II II ll II ll ll ll ll (MW) (L) WHERE : CS2 = CARBON DISULFIDE USED FOR DESORPTION .0821 GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K = DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND L = LITERS OF AIR SAMPLED MB:12/89 DO 078743 CONFTDFNTT Al DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) : 12-20-88 TIME START : SAMPLE NUMBER : 09067 TIME STOP : SAMPLE TIME (MIN.) : 95 SAMPLE VOLUME (L> : 9.45 PUMP START FLOW : SAMPLE TYPE (A, S, P) : S PUMP STOP FLOW : <A=AREA, S=SHORT TERM, P*=PERSONNEL) IF AREA, DESCRIBE RESPIRATOR USED (1-7) 1 8 OR 12 HOUR SHIFT 12 SHIFT (DAY,NISHT, EDO) D EMPLOYEE I. D. # 432722 JOB DESCRIPTION OUTSIDE ROUND ON THERMAL OXIDIZER. 6:30 AM 8:05 AM 100 CC/MIN. 100 CC/MIN. RESPIRATOR TYPES : 1=N0NE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7-SCBA. ANALYTICAL RESULTS COMPOUND : DR # : 7x4/ * : H-tG : 5TEL : LOO ANALYSIS RESULT 8 HOUR TWA: TET EDC : 0002-3654 : 0001-8531 * 5: & 0.004 a a 10 : a 0.003 aa 0. 18 : 0.04 0. 003 : <0.01 a PDC : 0001-9943 75 : 110 a 0.003 0.06 : 0.02 aa PER : 0002-3698 50 : 200 a a 0.004 a a 0.20 : 0.04 a a B-TRI : 0002-3687 10 : & aa 0.003 a 0.003 : < 0.01 aa AREA NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. a a a m a a a a a RCL EQUATION : PPM VOLUME OF RCLS IN AIR = (WEIGHT OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 = CARBON DISULFIDE USED FOR DESORPTION .0821 = GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW * MOLECULAR WEIGHT OF SPECIFIC COMPOUND L = LITERS OF AIR SAMPLED MB:12/89 DO 078744 CONFIDENT! Al DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) I 12-20-88 time START : 5:45 AM SAMPLE NUMBER 09068 TIME STOP 9:45 AM SAMPLE TIME (MIN.) 4 240 SAMPLE VOLUME (L) SAMPLE TYPE (A, S, P) 25.50 t 1 S PUMP START FLOW 100 CC/MIN. PUMP STOP FLOW : 100 CC/MIN. (A=AREA, S=SHORT TERM, P'=PER5QNNEL) IF AREA, DESCRIBE RESPIRATOR USED (1-7) 1 8 OR 12 HOUR SHIFT 12 SHIFT (DAY,NIGHT, EDO) D EMPLOYEE I. D. # 432873 JOB DESCRIPTION P/T MOD V BOARDMAN. INCLUDES SEVERAL TRIPS INTO PLANT AREA. RESPIRATOR TYPES : l=NONE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7=SCBA. " COMPOUND DR # ANALYTICAL RESULTS jyggmmmmmmmmmmmmmmmmmmmmmmmmmm. TUS XUS- : STEL LOQ ANALYSIS pp pp RESULT pp 8 HOUR TWA: TET 0002-3654 5 : fo) p 0. 004 pp 0. 19 pp 0.02 p p EDC 0001-8531 10 pp 0.003 p 0.03 pp < 0.01 p p PDC 0001-9943 * 75 : 110 * 0. 003 p p 0.06 : 0.01 pp PER 0002--3698 50 : 200 p 0.004 p p 0.06 p p < 0.01 B-TRI 0002-3687 10 = ^ pp 0. 003 pp 0.003 pp < 0.01 p p AREA NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. p : RCL EQUATION : PPM VOLUME OF RCLS IN AIR = (WEIGHT.OF CS2 IN GRAMS) (.0821) (DEGREES K) (PPM FROM CHROMATOGRAM) WHERE : CS2 .0821 DEGREES K MW L (MW) (L) CARBON DISULFIDE USED FOR DESORPTION GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES KELVIN (DEGREES CENTIGRADE + 273) MOLECULAR WEIGHT OF SPECIFIC COMPOUND LITERS OF AIR SAMPLED MB:12/B9 DO 078745 OONFTDFNTTAL DOW CHEMICAL LAD INDUSTRIAL HYGIENE SAMPLE CONCENTRATIONS RCL DATA ENTRY FORM NAME : MIKE BROWN PLANT : SOLVENTS / EDC 1 PLANT # : 16/17 SAMPLE DATE (MM/DD/YY) 12-20-88 TIME START E 5:45 AM SAMPLE NUMBER 09069 TIME STOP t 7:40 AM SAMPLE TIME (MIN.) 115 SAMPLE VOLUME (L) 11.47 PUMP START FLOW a * 100 CC/MIN SAMPLE TYPE (A, S, P) S PUMP STOP FLOW a a 100 CC/MIN <A=AREA, S=SHORT TERM, P=PERSONNEL) IF AREA, DESCRIBE RESPIRATOR USED (1-7) 1 8 OR 12 HOUR SHIFT 12 SHIFT (DAY,NIGHT, EDO) D EMPLOYEE I. D.. # 432627 JOB DESCRIPTION P/T BOARDMAN. INCLUDES TWO TRIPS INTO PLANT AREA. RESPIRATOR TYPES : lNONE, 2=M0UTHBIT, 3=C0MF0 II, 4=FULL FACE, 5=BREATHING AIR, 6=DUST MASK, 7=SCBA. COMPOUND : ANALYTICAL RESULTS :========^====p=s=g==^.======================= DR # 7Z' tHfc :STEL : LOQ ANALYSIS : : RESULT : 8 HOUR TWA: TET To"a 0002-3654 5a a a 0.004 a a 0. 19 aa 0. 03 EDC 0001-8531 10 a (\ a 0. 003 a 0.003 a < 0.01 a AREA PDC a 0001-9943 75 * 110 0.003 aa 0. 06 a a 0.01 a a PER B-TRI > * 0002-3698 a 0002-3687 aa 50 a a 200 a a 0.004 a a 10 a a & a a 0.003 a a 0.06 0.003 a a 0.01 a < 0.01 a a a a NOTE : ALL RESULTS IN PPM UNLESS OTHERWISE NOTED. a a a aa aa a a RCL EQUATION : PPM VOLUME OF RCLS IN AIR = (WEIGHT OF C52 IN GRAMS) (.0B21) (DEGREES K) (PPM FROM CHROMATOGRAM) (MW) (L) WHERE : CS2 = CARBON DISULFIDE USED FOR DESORPTION .0821 GAS CONSTANT (CONVERTS GRAMS TO LITERS) DEGREES K DEGREES KELVIN (DEGREES CENTIGRADE + 273) MW = MOLECULAR WEIGHT OF SPECIFIC COMPOUND = LITERS OF AIR SAMPLED MB:12/89 DO 078746 CONFTDFNTTAL