Document 06MVv8VZMne4Jm9bqR0EJJnvm

INDUSTRIAL HYGIENE REVIEW - 1981 AGENDA 1. 1981 ACOmiSHlNTS a. LHC I B. LHC II c. LHC III 2. SUMMARY OF I. H. MONITORING DATA A. LHC I b. LHC II c. LHC III 3. MEDICAL DATA REVIEW 4. GOALS AND PLANS FOR 1982 00 097880 CONFIDENTIAL ACCOMPLISHMENTS LHC III 1981 1. Every three months CBC and urinary phenols were run on all the OT's and S.O.T.'s. O.S.'s were included at six months intervals. 2. Every personnel were monitored for potential exposure to benzene while working in clean up of pyrolysis gasoline spills. Urinary samples were collected at the beginning of the day and at the end of the day to check for any increase in phenol levels. Everyone did wear a half face respirator while working at the spill. 3. A noise survey was run in November. Signs were posted indicating the highest noise area. (Above 90 decibels) 4. Sixty nine boxes to hold six half face respirators were mounted in various sections of the plant. This eliminated the need to carry around a respirator. Once a month the boxes are checked to see that they contain the required number of respirators. 5. We had a 99% participation in the respirator fit test program for the operators, and 84% participation in the program from the technical personnel. DO 097881 CONFIDENTIAL SU1WY OF INDUSTRIAL HYGIETE MONITORING DATA 1. JANUARY 16, 1981 - CLEAN UP OF RAIN WATER PIT 2. JANUARY 21, 1981 - CLEAN UP DITCH BY LHC II 3. MARCH L 1381 - CLEAN UP OF RAIN WATER PIT A, JUfE ID, 1981 - ROUTINE PERSONAL EXPOSURE SURVEY 5. DECEPBER 13, 1981 - CLEAN UPCFOILWICNSEALCNPIW'KBBIEW 6. DECEMBER 19,20,21 - TANK 1601B RAN CWER INTO TIE DIRE AREA AROUND THE TANK DO 097882 CONFIDENTIAL jfiuary 10, i/, kj ft iy iytn FILLED IN BY W. Herrick PLANT i.hc 111BLOCK fifl STRESS EMPLOYEE EXPOSURE SUMMARY DR# MINIMAL DETECTABLE"" Bcnzrne LIMIT AND UNIT 0.3 pom . QUARTER 1st IUG 10 ]i]im YEAR 1981 PERSONNEL EXCURSION AREA JOB NO. CLASS AREA/ PT TWA NO. TASK EQ. BASIS SAMP. AVG. HIGH C EXCUR. NO. ii DURATION SAMP. AVG. HIGH C SAMPLE NO. DURATION SAMP. AVG. HIGH C 01 OTT 02 OT 3 8 hrs 20 1.56 5.AO 03 SOT 3 8 hrs 12 1.61 A.22 oa OS 05 SS 06 EDO 3 8 hrs 3 8 hrs 2 1.16 1.38 1 Q-AQ _ 0. AO 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT RSTC 16 CONT MGRS/NON- 19 OP AfttA SAMP 20 (NO JC) MFC. 2H MGR. MFC 26 TECH 28 CHEMIST SET 29 SUPV. SHIP 30 COORD. 8 hrs 1 0.22 0.22 SiHfr:--vn l rrwms mi "1 'M COWMEN (Use r verse side) CLEAN UP OF RAIN WATER PIT - EMULSION DEVELOPED IN C-20 1 rm--TT L*1 IMUI m --rzr ' inTnunurr" LWJtn`I.TT HO------- DO 097883 CONFIDENTIAL FILLED IN BY u, Herrick________ PLANT inn titBLOCK 68 EMPLOYEE EXPOSURE SUMMARY DR# MINIMAL DETECTABLE STRESS Toluene LIMIT AND UNIT 0,5 ppm QUARTER 1st IHG 100 [>pm YEAR 1981 JOB NO. CLASS PERSONNEL AREA/ PT TWA NO. " TASK EQ. BASIS SAMP. AVG. HIGH C EXCURSION EXCUR. NO. H DURATION SAMP. AVG. HIGH C AREA SAMPLE NO. DURATION SAMP. AVG. HIGH C 01 OTT 02 err 03 SOT on OS 05 SS 3 8 hrs 20 _ 2.93 9.9 3 R hrs 12 3.30 9.17 3 8 hrs 2 1,93 3.2Q 3 8 hrs 1 0,86 0.86 06 EDO 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT R5TC 16 CONT MGRS/NON- 19 OP AREA SAMP 20 (NO JC) MFG. 24 MGR. MFG 26 TECH 28 CHEMIST SET 3 8 hrs 1 0,41 Q. 41 29 SUPV. SHIP 30 COORD. PROTECT' 'E EQUIPMENT: (1) fKXJTHBIT (2) FULL FACE (3) HALF aDF r!uNe WATER SPlf'-^MULSION DEVELOPED IN C-20 'CE OH DUST 3 (4) Ail sum: (b HKAH1NU PnulbULTUN CONFIDENTIAL CLEAN UP RAIN WATER PIT NAME JAN. 16, 1981 (FIRST SPILL) S. S. 4 8-HOUR PPM BENZENE *TWA PPM TOLUENE C. K. Eagles S. C. New D. L. D'Armond H. Alford M. F. Browning D. L. Waits A. D. Abbott R. K. Brown P. J. Musgrow K. J. Thibodeaux JAN. 17, 1981 437-02-2267 250-04-6709 437-66-4769 434-88-2220 437-07-7067 319-42-1580 439-90-9820 437-02-1933 439-88-8998 437-02-1029 5.4 0.22 2.82 1.12 4.22 0.40 5.35 0.67 0.56 2.05 9.9 0.41 4.31 1.86 9.17 0.86 9.85 1.13 1.20 2.40 J. R. Brou R. J. Aucoin R. V. Peairs A. Heinzen M. L. Percle S. J. Colletti J. P. Palmer C. J. Davenport R. K. Brown R. B. McClelland JAN. 18, 1981 439-84-4057 437-70-9944 435-90-6213 436-21-2065 436-04-2818 435-86-4490 439-98-1498 437-88-6092 437-02-1933 436-84-7380 2.10 1.98 0.88 2.24 3.03 1.92 1.38 0.72 2.08 0.93 3.32 3.61 1.80 3.38 6.05 3.83 3.20 1.38 1.28 0.65 Cr H. Juge J. P. Tsnplet W. Reed C. K. Eagles M. L. Williams R. Johnson F. L. Jamison K. C. Joseph K. R. Leatherman T. B. Pitre J. L. Davis S. Neal S. P. Rawls JAN. 19, 1981 434-98-9830 438-96-5485 434-98-9908 437-02-2267 435-17-5602 433-82-2754 435-82-8244 438^08-2135 439-84-6647 435-96-9940 436-68-7843 351-48-8393 433-70-9119 1.75 1.06 0.04 0.02 1.08 1.86 1.54 2.70 0.43 0.70 0.04 0.05 0.25 4.36 2.66 0.05 0.03 2.50 3.93 4.98 5.67 1.00 1.52 0.26 0.31 1.21 J. R. Bnou R. V. Peairs A. D. Abbott C. J. Davenport 439-84-4057 435-90-6213 439-90-982 0 437-88-6092 . *TWA TIME WEIGHTED AVERAGE 0.75 0.74 0.42 2.03 2.05 1.06 DO 097885 CONFIDENTIAL 24 & 25, 1981 FILLED IN BY_______W. Herr Irk PLANT LHC III BLOCK 68 EMPLOYEE EXPOSURE SUMMARY DRff MINIMAL DETECTABLE STRESS Benzene LIMIT AND UNIT 0.5 ppm QUARTER__jfilL IHG 10 ppm YEAR 1981 JOB NO. CLASS PERSONNEL AREA/ *PT TWA NO. * TASK EQ. BASIS SAMP. AVG. HIGH C EXCURSION EXCUR. NO. DURATION SAMP. AVG. HIGH C AREA SAMPLE NO. DURATION SAMP. AVG. HIGH C 01 OTT 02 OT 3 8 hrs 8 0.46 1.0 03 SOT 3 8 hrs 16 3.24 36.3 04 OS 3 8 hrs 7 2.08 9.41 05 SS 06 EDO 1 8 hrs 1 0.28 0.28 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT RaTC 16 CONT mgrs/Hon- 19 OP AREA SAmP" 20 (NO JC) MFG. 24 MGR. MFG 26 TECH 28 CHEMIST SET 29 SUPV. SHIT 30 COORD. wtruT- tttt: Tirwnr --rrr FHM m t--r iv in t---TTTTr ntr' Tgitrr-- Tmn "0*WEN (Use reverse side) CLEAN UP OF PY. GAS IN DITCH AT LHC II - PY GAS FROM S-31 RAN OVER i ~nw'flFfrMrr~ Trrmrn TO" DO 097886 CONFIDENTIAL FILLED IN E3Y W. Herrick PLANT LHC III BLOCK 68 EMPLOYEE EXPOSURE SUMMARY DR# MINIMAL DETECTABLE STRESS Toluene LIMIT AND UNIT n.S ppm QUARTER 1st IHG l(HI ppm YEAR 1981 PERSONNEL EXCURSION AREIA JOB NO. CLASS AREA/ PT TWA NO. TASK EQ. BASIS SAMP. AVG. HIGH C EXCUR. NO. DURATION SAMP. AVG. HIGH C SAMPLE NO. DURATION SAMP. ** AVG. HIGH C 01 OTT 02 OT 03 SOT 0*4 OS 05 SS R hrs 8 ft hn 16 3 8 hrs 7 3 8 hrs 1 a, 34 .61 2.08 22.0 1,94 9,95 0.16 0.16 06 EDO 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT R5TC 16 CONT MGRS/NOH- 19 OP AREA SAMP 20 (NO JC) MFC. 24 MGR. MFG 26 TECH 28 CHEMIST SET 29 SUPV. SRTF 30 COORD. - t cmT \ 7 [ u Truer" --nrr~ inn--m >11* f 1T 1 TO p '\r*v nu nrzrr--i lit K V COWEN - (Use r verse side) 'LEAN UP OF PY GAS IN DITCH AT LHC II - PY GAS FROM S-31 RAN OVER W1UUI i--n : -mnnrrarr- m rivix TIFT DO 097887 CONFIDENTIAL NAME 1-20-81 s. Neal J. L. Gill M. P. Cedatol N. P. Hidalgo C. B. McCoy E. Any C. N. Efferson T. F. Russell j. E. Huff T. B. Pitre j. P. Templet D. M. Wallace C. K, Eagles M. L. Williams R. Johnson R. J. Aucoin 1-21-81 E. P. Hymel C. R, Williams P. C. Atkinson C. M. Carlin R. L. Fredricks 1-22-81 J. M. Decuir S. J. Colletti R. Johnson J. P. Templet 1-23-81 R. G. Gay M. L. Percle 1-24-81 R. K. Brown C. L. Ginn L. A. Russell SECOND CLEAN UP OPERATION (DITCH BY LHC II) S. S. # POTENTIAL TWA BENZENE TWA TOLUENE 351-48-8393 433-04-9730 437-88-3476 433-74-1115 264-21-2151 433-70-7302 433-17-8497 435-76-3285 435-17-2757 435-96-9940 438-96-5485 377-52-7188 437-02-2267 435-17-5602 437-70-9944 1.00 36.3 1.90 1.21 1.76 1.76 3.15 0.28 0.45 0.57 0.57 0.34 0.59 0.35 0.20 0.72 .50 22.0 1.60 0.49 0.83 1.89 1.37 0.16 0.28 0.41 0.41 0.38 0.47 0.27 0.27 0.61 436-92-5795 433-90-6009 437-68-1893 434-88-0500 437-82-5468 .01 .08 0.05 8.16 9.41 .01 0.11 0.06 6.38 9.95 438-15-5301 435-86-4490 433-82-2754 438-96-5485 .09 .09 .07 0.41 0.09 0.08 0.07 0.38 434-98-2985 .05 0.04 436-04-2818 .25 0.22 437-02-1933 433-82-0263 309-62-0846 .03 0.03 .02 0.03 .02 0.03 DO 097888 CONFIDENTIAL NflME 1-25-81 C. W. Efferson J. C. Huff C. H. Juge W. Read M. L. Williams SS# 2- - 433-17 -8497 435-17-2757 434-98-9803 434-98-9908 435-17-5602 POTENTIAL TWA BENZENE TWA TOLUENE .15 0.17 .06 0.09 DO 097889^ conetden MARCH 1981 CLEAN UP OF RAINWATER PIT NAME _______________ S.S.NO.JOB CLASS W. READ K. R. LEATHERMAN C. H. JUGE T. M. DEAN J. J. HIEMENZ C. L. DESHOTEL C. L. RAYMOND T. M. DEAN J. J. HIEMENZ D. W. HOOVER M. L. WILLIAMS J. M. DECUIR S, J. COLLETTI R. JOHNSON C. L. BOLEN M. P. CEDATOL R. G. GAY C.R. WILLIAMS M. L. PERCLE C. L. RAYMOND R. BLACKWELL C. M. CARLIN C. B. Me COY 434-98-9908 439-84-6647 434-98-9830 437-78-8668 381-52-3616 436-60-4704 546-88-9998 437-78-8668 381-52-3616 436-92-6660 435-17-5602 438-15-5301 435-86-4490 433-82-2754 436-56-5812 437-88-3476 434-98-2985 433-90-6009 436-04-2818 546-88-9988 439-94-2663 434-88-0508 264-21-2151 O.T. O.T. O.T. S.O.T. TECH. O.S. O.T. S.O.T. TECH. O.T. O.T. S.O.T. S.O.T. S.O.T. O.S. S.O.T. S.O.T. S.O.T. O.T. O.T. O.S. S.O.T. O.S. PARTS PER MILLION BENZENE TOLULENE 0.12 0.14 0.34 0.24 0.18 0.04 0.40 0.09 0.08 0.05 0.04 0.24 0.11 0.06 0.05 2.5 0.08 0.24 0.08 0.08 8.2 4.7 2.1 0.01 1.0 0.87 0.39 0.25 0.06 0.67 0.14 0.14 0.14 0.13 0.82 0.08 0.10 0.16 3.2 0.24 0.06 0.38 0.10 6.9 4.5 3.2 WILLIAM M. HERRICK DO 097890 CONFIDENT!AL EMPLOYEE EXPOSURE SUMMARY FILLED IN BY W. Herrick --------------------------------------------- DRtf MINIMAL DETECTABLE PLANT LHC III BLOCK fiF STRESS Benzene LIMIT AND UNIT 0.5 ppm QUARTER 1st IHG 10 |)])R1 YEAR 1981 JOB NO. CLASS PERSONNEL AREA/ *PT TWA NO. H TASK EQ. BASIS SAMP. AVG. HIGH C ___________________ EXCURSION AREA EXCUR. NO. i* DURATION SAMP. AVG. HIGH C SAMPLE NO. DURATION SAMP. AVG. HIGH * C 01 OTT 02 OT 3 8 hrs 8 0.15 0.40 03 SOT 0*1 OS 3 8 hrs 9 3 8 hrs A 0.92 4.7 2.59 8.2 05 SS 06 EDO 07 LAB 09 CLER. 10 INSTR 11 LABORER OONT 13 MAINT R5TC 16 CONT mgrsTnon- 19 OP AREA SAMP 20 (NO JC) MFG. 29 MGR. MFG 26 TECH 28 CHEMIST 3 8 hrs SET S 29 SUPV. SUP 30 COORD. PROTECT COWEN SOU IPMENT: (1) MOUTHBIT (Use reverse side) CLEAN UP OF RAIN WATER PIT 2 ,13 .18 (21 FULL FACE iV HALF "TE OR DUST 1 (9; Ai SUPPLY L5 HEAH1NU PHUiKUliUN DO 097891 CONFIDENTTAI FILLED IN BY W. Herrick PLANT . W. Herrick BLOCK 68 EMPLOYEE EXPOSURE SUMMARY DR# MINIMAL DETECTABLE STRESSTnlnpnR LIMIT AND UNIT ppm QUARTER 1st IHG lOOppm YEAR 1981 PERSONNEL EXCURSION AREA JOB NO. CLASS AREA/ PT TOA NO. *" TASK EX}. BASIS SAMP. AVG. HIGH C EXCUR. NO. DURATION SAMP. . AVG. HIGH C SAMPLE NO. DURATION SAMP. * AVG. HIGH C 01 OTT 02 OT 03 SOT 04 OS I 8 hrs 8 1 ft hrn Q 3 8 hrs 4 0,41 1.0 i _nh 4. 5 2.57 6,9 05 SS 06 EDO 07 LAB 09 CLER. 10 INSTR 11 LABORER OONT 13 MAINT RfffiT 16 CONT MGRS/NON- 19 OP AREA SamP 20 (NO JC) MFG. 24 MGR. MFG 26 TECH 28 CHEMIST SET 29 SUPV. SHIP 30 COORD. jr / 3 8 hrs . 2 COWMEN. , (U reverse Bids) CLEAN UP OF RAIN WATER PIT 0.10 0.14 'i Mil Pi'Ll 1 tut DO 097892 CONFIDENTIAL DOW CHEMICAL U.S.A. June 22, 1981 LOUISIANA DIVISION P. o. BOX ISO PLAQUEMINE, LOUISIANA 70764 604 3SS-S000 J. D. Weldon W. Chew J. T. Holloway B. Ledford cc: Shift Supervisors Sample Date - June 10, 1981 Operations - Day Shift 0. T. PPM - TWA - Hrs . Benzene Toluene" C. Raymond D. Landry P. Stone C. Davenport M. Patin 0.16 0.05 0.15 0.19 0.05 0.30 0.20 0.22 0.20 0.29 S.O.T. Randy Gay S. J. Colletti J. Decuir M. Percle C. Williams 0.05 0.84 0.34 0.58 *13.64 0.20 0.45 0.10 0.10 0.17 O. S. Rodney Blackwell Mike Dean C. Deshotel P. Atkinson P. Hymel 0.02 0.06 0.03 0.01 0.03 0.25 0.23 0.20 0.46 0.82 S.S. M. Jenkins 0.02 0.31 LAB SUPERVISOR W. Herrick 0.02 ------ ^Sampled Benzene Barge Wore half face respirator AN OPERATING UNIT OP THE DOW CHEMICAL COMPANY DO 097893 CONFIDENTIAL Maintenance (EDO) 0. T. PPM - 8 Hr. TWA Benzene Toluene R. Broil A. Heinzen J. Gilmore D. Hoover W. Reed K. Leatherman 0.04 0.37 0.06 *1.77 *8.74 0.09 mm 0.21 ---- 0.80 2.32 -- 0. T. T. L. Viator *1.41 -- S. i 0. T. M. Cox R. Peairs 0.06 0.04 --_ _ _ -- 0. S. C. Arceneaux J. Sibley B. Gremillion 0.11 0.10 0.06 --- --* -- - --- S. S. 0. T. Whitman E. Supple 0.15 0.07 _*__ -- **Sampled Drums *Trained in Benzene and Lab William Herrick Laboratory LHC III WH/ss DO 097894 confidential FILLED IN BY fr/, PLANT "' C > l / EMPLOYEE EXPOSURE SUMMARY y QUARTER JL YEAR L C J7J 'BLOCK 7 STRESS /? f />l MINIMAL DETECTABLE LIMIT AND UNIT oooa- 50sa 0( PERSONNEL AREA EXCURSION / JOB t. CLASS 1 OTT 1 OT t SOT t OS AREA/ TASK *PT. . EQ. TWA NO. BASIS SAMPLES 2 tffi. / 'Zi/JL JT y AVG. HIGH h? SAMPLE NO. DURATIOIJ r SAMPLES D-tf l 0.0 3 EXCUR. NO. AVG. HIGH DURATION SAMPLES AVG. HIGH \ 1 i ! ) SS ) EDO t / D.O 2 fB xy j 0.^ r* ) TECH 1 CLER. ) INSTR 1 LABORER SUMMER i CONT MAINT NON-OS 1 SPEC. 1 SECUR. ) MATL CONT * ; LOADING i T/C CLNC MGRS/NON ) OP AREA SAMP ) (NO JC) r\r QFi ------- CONFIDENTIAL >I PROTECTIVE EQUIPMENT: (1) Mouthbit (2) Full Face (3) Half or Dust Face (A) Air Supply (5) Hearing Protection j mu* in 11 <i FILLED IN BY_ VLi_llgXlick_ PLANT LilC III BLOCK 68 EMPLOYEE EXPOSURE SUMMARY STRESS Benzene DRf MINIMAL DETECTABLE LIMIT AND UNIT 0.5 ppm QUARTER 2nd IHG 10 ppm YEAR 1981 JOB NO. CLASS AREA/ TASK PERSONNEL *PT TWA NO. BQ. BASIS SAMP. AVG. HIGH C EXCURSION EXCUR. NO. ii DURATION SAMP. AVG. HIGH C AREA SAMPLE NO. DURATION SAMP. AVG. HIGH C 01 OTT 02 OT 03 SOT 8 hrs 8 hrs 5 A 0.12 0.19 0.45 0,84 sampled Bz barge 1 13.64 13.64 04 OS 8 hrs 5 0.03 0.06 05 SS 06 EDO 07 LAB 8 hrs 1 0.02 0.02 8 hrs 1 0.02 0.02 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT RSTC 16 CONT MGRS/NON- 19 OP aReA SAmP 20 (NO JC) MFG. 24 MGR. MFG 26 TECH 28 CHEMIST SET 29 SUPV. SHIP 30 COOR1Dm. ivjr rn t COWEN. ^ (Use reverse side) WORE HALF FACE RESPIRATOR --- r"rr- REGULAR PERSONNEL EXPOSURE SURVEY > mm ITTllTJr t---- rr iiL'/iirinv JUT m/TTI IKT DO 097896 CONFIDENTIAL FILLED IN BY W. Herrick PLANT LHC III BLOCK 68 EMPLOYEE EXPOSURE SUMMARY DM MINIMAL DETECTABLE STRESS Toluene LIMIT AND UNIT n s ppm QUARTER 2nd IHG jpg YEAR 1981 JOB NO. CLASS PERSONNEL AREA/ *PT TWA NO. ** TASK BQ. BASIS SAMP. AVG .HIGH C EXCURSION EXCUR. NO. H DURATION SAMP. AVG. HIGH C SAMPLE NO. DURATION SAMP. AREA AVG. HIGH C 01 OTT 02 OT 8 hrs 5 0.24 0.30 03 SOT 04 OS 8 hrs 8 hrs 5 5 0.20 0.45 0.39 0.82 05 SS 06 EDO 8 hrs i 0.02 0.31 07 LAB 09 CLER. 8 hrs i c. ni <ni 10 INSTR 11 LABORER CONT 13 MAINT RfiTtT 16 CONT MGRS/NON- 19 OP AREA SAMP 20 (NO JC) MFC. 24 MGR. MFG 26 TECH 28 CHEMIST ET 29 SUPV. SHIP 30 OOORD. Wv L nmm mi ----im COMMEN CU* rever* sid ) REGULAR PERSONNEL EXPOSURE SURVEY \ UL'HTJI t|F'*-'nLjurpremttut" DO 09789? CONFIDENTIAL DOW CHEMICAL U.S.A. November 6, 1981 t UlflANA DIVISION P. O, SOX 160 PLAOUtMINt. LOUISIANA 70764 0 666-6000 To: W. Chew K. Zezulka B. Ledford Dr. Flanagan Results of air during turnaround In samples taken around the benzene plant in the reactor area October, 1981: DATE 10/20/81 AREA of PPM (WT.) BENZENE PPM (WT.) TOLUENE VOLUME AIR SAMPLED WORK GOING ON E-511 A 0. 07 0.14 25-4 L. E-522 B 0.03 0. 03 16.1 L. Unloading Catalyst R-520 0.03 0.01 20.4 L DATE AREA OF PPM (WT.*) BENZENE PPM (WT.*) TOLUENE VOLUME AIR SAMPLE WORK GOING ON FILE DATA BOOK ^T CM O6 E-522A 0.02 24.0 L Dumping 0040 10/28/81 E-522 B 0.07 2. 2 20.2 L. Liquid from R-520 0.04 0.87 24.8 L -520 William Herrick Lab - LHC III ss AN OPEAATINQ UNIT of THI DOW CHEMICAL COMPANY DO 097898 confidential <tfi2>- DOW CHEMICAL U.S.A. December 16, 1981 LOUISIANA DIVISION P. O. BOX ISO PLAQUEMINE. LOUISIANA 7076* SO* 369-0000 To: J. D. Weldon J. T. Holloway Dr. Flanagan cc: Shift Supervisors W. Chew B. Ledford Vapor monitoring for Benzene and Toluene using 3M charcoal badges during clean up of Quench Oil-Pyrolysis Gasoline spill after seal on Pump PI OB had blown. 8 HR-TWA 8 HR-TWA MAN NO. DATE PPM BENZENE PPM TOLUENE ^33300 433832 433842 434175 432277 433808 434158 433828 431211 433781 7 0745 12/13/81 ft M IT Tl ft ft ft If tf tl 0.08 0.08 0.19 0.13 0.07 0.08 0.05 0.12 0.11 0.04 0.14 0.09 0.27 0.40 0.15 0.16 0.26 0.04 0.38 0.13 0.10 0.08 U+Zfeu* A*' William M. Herrick Lab - LHC III ss DO 097899 CONFIDENTIAL AN OPERATING UNIT OF THE DOVV CHENI'CAL COMPANY i J- iJ X FILLED IN BY w. Herrick PLANT LHC ITTBLOCK 68 STRESS EMPLOYEE EXPOSURE SUMMARY DR# MINIMAL DETECTABLE RPn,pnP LIMIT AND UNIT __ 1 ppm QUARTER 4th IHG 10 ppm PERSONNEL EXCURSION YEAR 1981 AREA JOB NO. CLASS AREA/ PT TWA NO. EXCUR. NO. SAMPLE NO. TASK BQ. BASIS SAMP. AVG. HIGH C DURATION SAMP. AVG. HIGH C DURATION SAMP. AVG. HIGH C 01 OTT 02 OT 03 SOT 04 OS 05 SS 06 EDO 8 hrg 8 hrs fl hrs 8 hrs 0.10 11*12 0.10 0.12 O- in n.14 Q.1L Q..11 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT ------ ranr- 16 CONT MGRS/NON- 19 OP TRBTSSFfF 20 (NO JC) MFG. 24 MGR. MFG 26 TECH 28 CHEMIST "SET 29 SUPV. ~3HIF 30 COORD. ^PROTECT'* EQUIPMENT:- {1) MoUTHBiT #,C0WEN. . (Use reverse side) (2) FULL FACE (5) HALF ~'UE OH DUST ' T4)~ Al SUPPLY ~T5 J HEARING PHUlECnuN CLEAN UP OF PYROLYSIS GAS - QUENCH OIL - SEAL BUOW ON P-10B OO 097900 CONFIDENTIAL. 1 *. " X. J- Oi EMPLOYEE EXPOSURE SUMMARY FILLET* IN BY W. Herrick --------------------------------------------- DR#______________________ MINIMAL DETECTABLE PLANT LHC IIIBLOCK 68 STRESS Toluene LIMIT AND UNIT 0-5 ppm QUARTER 4 th IHG 100 ppm YEAR 1981 JOB NO. CLASS AREA/ TASK PT BQ. PERSONNEL _____________ ____________ TWA NO. " BASIS SAMP. AVG. HIGH C EXCUR. DURATION EXCURSIONAREA NO. H SAMP. AVG. HIGH C SAMPLE NO. DURATION SAMP. AVG. HIGH C 01 OTT 02 or 3 8 hrs 5 0.19 0. AO 03 SOT 3 8 hrs 2 Q. 33 0.38 OH OS 05 SS 06 EDO 3 8 hrs 3 3 8 hrs 1 0.11 0,16 0.13 0.13 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT HSTC 16 CONT MGRS/NON- 19 OP AREA samP 20 (NO JC) MFG. 2H MGR. MFG 26 TECH 28 CHEMIST SET 29 SUPV. SHIP 30 COORD. PROTECT "E EOU 1 PMENT: U) MOUTHBIT (2) FULL FACE (3) HAIf "'cet or 'pusr COMMEN (Uee reverse aide) CLEAN UP OF PYROLYSSI GAS & QUENCH OIL - SEAL BLfiW ON P-10B \ curim SUPPLY (5J HEARING PKOnCLTIUN q790I CONFTDENt^L DOW CHEMICAL U.S.A. January 6, 1982 LOUISIANA DIVISION P. O. SOX ISO PLAQUEMINf. LOUISIANA 70764 S04 3SS-SOOO To: J. D. Weldon J. T. Holloway W. Chew cc: Shift Supervisors B. Ledford Dr. Flannigan Vapor monitoring for Benzene and Toluene using 3M charcoal badges during clean up of Pyrolysis Gasoline Fuel Oil spill after overfilling Tank 1601B on December 19, 1981. Every one wore* a respirator when working on the clean-up. Name Date D. Wallace C. Juge T. Bradley T. Morrison A. Hebert J. Palmer S. Dotson C. Langlois J. Gill D. D'Armond C. Efferson D. Landry R. Gay T. Pitre C. Davenport J. Hill E. Perry K. Dixon A. Bourgeois K. Dixon B. Perry C. Langlois S. Rawls S. Rawls D. Fontane K. Dixon B. Perry 12/1ft9/81 If If 12/2110/81 ft If T1 1 ft ft ff ft ff 12/21/81 12/22/81 ff ft 12/23/81 ft If ff 12/2ft*1/81 H ft 8-hour TWA PPM Benzene PPM Tolue 1.32 0.33 0.16 0.21 0.02 0.03 0.02 0.03 0.08 0.09 0.06 0.22 0.03 0.19 0.04 0.03 0.13 0.10 0.08 0.04 0.13 0.12 0.01 0.04 0.05 0.08 0.07 0.62 0.71 0.40 0.45 0.03 0.06 0.08 0.05 0.09 0.12 0.04 0.14 0.13 0.17 0.07 0.13 0.18 0.15 0.16 0.02 0.10 0.01 0.02 0.01 0.02 0.04 0.03 AN OPERATING UNIT OP THE DOW CHEMICAL COMPANY DO 097902 CONFIDENTIAL. Name C. Eagles A. Helnzen J. Gilmore 2- - Date 12/28/81 " " 8-Hour TWA PPM Benzene 0.09 0.08 0.06 PPM Toluene 0.15 0.11 0.05 Bill Herrick ss Lab - LHC III DO 097903 CONFIDENTIAL i t'liioi* r I'J, tu, i, , 24, & 28 - 1981 FILLED IN BY W. Herrick PLANT LHC III BLOCK 58 EMPLOYEE EXPOSURE SUMMARY QUARTER 4th DR#IHG ]0 [ipm MINIMAL DETECTABLE STRESS Benzene LIMIT AND UNIT 0.5 onm YEAR 1981 PERSONNEL EXCURSION AREA JOB NO. CLASS AREA/ *PT TWA NO. * TASK BQ. BASIS SAMP. AVG. HIGH C EXCUR. NO. DURATION SAMP. AVG. HIGH C SAMPLE NO. DURATION SAMP. * AVG. HIGH C 01 OTT 02 OT 3 8 hrs 15 0.10 0.22 03 SOT 3 8 hrs 10 0.08 0.33 04 OS 3 8 hrs 3 0.48 1.32 05 SS 06 EDO 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT RSTC 16 CONT MGRS/NON- 19 OP AREA SAMP 20 (NO JC) MFG. 24 MGR. MFG 26 TECH 28 CHEMIST SET ~ 29 SUPV. SHIF 30 COORD. IhrwMv^**** MT 3 8 hrs 2 0.19 0.21 v~rn irrniBn --r*rr- nrr--m M3 T" rt--mc L1 MAML' IUJ m nnif - i in--in J 1a tulm COHEN (Use reverse side) < Clean up of Spill after over!1ling T-160IB (Mixture of Pyrolysis Gas 6 Fuel oil) --re nvx in mrr~ IN DO 097904 CONFIDENTIAL 22, 24 6, 28 - 1981 FILLED IN BY Bill Herrick PLANT LHC IIIBLOCK 68 EMPLOYEE EXPOSURE SUMMARY DR# MINIMAL DETECTABLE STRESS Toluene LIMIT AND UNIT f). 6 ppm QUARTER 4th IUG 100 ppm YEAR 1981 JOB NO. CLASS PERSONNEL AREA/ PT TWA NO. TASK EQ. BASIS SAMP. AVG. HIGH EXCURSION EXCUR. NO. DURATION SAMP. AVG. HIGH C SAMPLE NO. DURATION SAMP. AREA ii AVG. HIGH C 01 OTT 02 OT 8 hrs 15 0.10 0.18 03 SOT 04 OS 05 SS 8 hrs. JIL Q.JL2 0.71 8 hxa 0.28 0.67 06 EDO 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT "MATL" 16 CONT MGRS/foON- 19 OP HEJTSSHF 20 (NO JC) MFG. 24 MGR. MFG 26 TECH 28 CHEMIST "SET" 7^ 8 hrs 0.43 0.45 29 SUPV. "SHIP 30 COORD. , *BftOTECT" EQUIPMENT: 71) MoUTHBIT (2) FULL FAcE (5) HALF"'"'Ctr OR DUST" T4TT(1H SOPPCl--(bl HEARING PROTECTION- **CCW^ - (Use reverse side) Clean up of Spill after overfilling T-1601 B (Pyrolysis Gas - Fuel Oil) DO 097905 CONFIDENTIAL <Tig*z>- DOW CHEMICAL U.S.A. November 2^, 1981 LOUISIANA DIVISION p. 0. SOX ISO PLAQUEMINC. LOUISIANA 70744 004 3BB-BOOO To: W. Chew J. Holloway J. D. Weldon NOISE SURVEY - BLOCK 68 1981 DATE * 5-13-80 **10-17-80 * 11-23 Laboratory 70 Plant road - 683, by Lab. 81 N.E. Corner Control House 83 Pumps - 1205 (within 3') On road - 683 - opposite P-1205 92 -- On road - 683 - opposite K-71 83 1 On road - 683 - opposite S.G. Bldg. -- On road - opposite E-1230 -- N. Boundry on road 683 73 N. side cooling tower -- W. side C.T. - opposite P-1000E -- S.E. corner cooling tower -- Underneath fans opposite C.B. 590 -- By compressor house K-551 -- Between C-5^0 and clay beds ---- Between H2 F-520 and RX Feed -- By Quench oil pumps P-10 -- By E-9's South Side 80 South Side K-71 83 Opposite K-120 Center of walkway 91* Opposite D-121 Center of walkway Opposite D-131 Center of walkway 95 90 Opposite C- 51 Center of walkway Opposite C- 52 Opposite A - House - 10 83 87 80 N.W. corner Block 68 Opposite C-151 Center of walkway ---- Opposite C- 5^ Center of walkway -- Opposite C- 57 Center of walkway 68 70 73 77 78 87 90 93 86 93 75 93 75 87 -- -- 92 62 7H 72 78 8H 88 80 77 8U 89 86 898H 87 J 80 83 80 87 87 73 101 8U 91*-' 77 95 70 91 66 87 69 87 67 83 72. 82. 86-- 84 - AN OPERATING UNIT OF THE DOW CHEMICAL COMPANY DO 097906 CONFIDENTIAL * NOISE SURVEY DATE 2- - * 5-13-80 **10-17-80 *11-23 W, of LPSH - 1A on road 83 West side K-130 93 North west corner D-121 West side K-120 97 ---- West of D-122 100-1 on West of Reactor 2B on road Between R-1B-R1A Opposite Pump 1215 A 92 Opposite 1 E B 90 Opposite C-20 89 Between HPSH 1A and IB 89 Between 1F-1 and 1F-7 Between waste heat boiler B 1A and BIB -- South side Boiler B-3 --w West side B-3 on first step -- South end warehouse (on road) --- East side warehouse (on road) --_ East side D-l^OO East side D-1^00 (Blowing Down) -- 72 86 6k 9; -- 9k -- 93-! -- 95 6iJ 77 8l 80 9k 86 89 88 93 80 92 82 93 76 88 90 96 9k 102 68 72 70 75 81 -- 105 * Ethylene and Benzene Plants both running ** Benzene Plant running. Ethylene down. //_ William Herrick BAB - LHC III ss DO 097907 CONFIDENTIAL GOALS AND PLANS FOR 1982 1. CONTINUE TO IffORM ALL PLANT PERSONNEL ON BENZENE TOXICITY DATA. 2.' TAKE EXCURSION DATA IN AREA WHERE PERSONNEL mY BE TO BENZENE WHILE CHANGING FILTERS, OR PUMP SEALS AND ETC. 3. DEVELOP METHOD FOR RUNNING AIR SAMPLES FOR DICYCUOPENTADIENE, r^ETHYL CYOJ3PENTADIENES AND BIPHENYL. 4. TAKE EXCURSION DATA IN VARIOUS AREAS OF THE PLANT TO DETERMIfC EXPOSURE TO DICYCUDPENTADIENE, BIPHENYL AND PETHYL CYCLOPENTADIENE. 5. START A PROGRAM TO DETERMINE HOW MUCH EXPOSURE THERE IS TO WELDING FITES IN THE WAREHOUSE. 6. COLLECT AIR SATPLES TO CHECK FOR PETALS WHEN CATALYST IS BEING DUMPED. 7. CONTINUE TO MONITOR PERSONNEL FOR EXPOSURE TO BENZEPE WHEN CLEANING UP SPILLS. THIS INCLUDES TAKING URINE SAMPLES BEFORE AND AFTER THE WORK PERIOD. 8. RUN YEARLY NOISE SURVEY. BH/ss 3/22/82 DO 0979oq confidential 1981 ACCOMPLISHMENTS LHC I 1. Completed annual 8 hour exposure monitoring for benzene and toluene. All job classifications were monitored in the survey. 2. -Completed annual area noise survey. Caution signs are located in areas where noise levels exceed 85 dB. 3. All employees were informed of the benzene, toluene, and noise exposure results. Consequences of overexposure were also covered for benzene, 1-3 butadiene, TBC, caustic, MMC, slop oil, styrene, toluene* xylene, and noise. 4. Twenty-seven boxes containing six half-face (Comfo-II) respirators were mounted throughout Blocks 38 and 39. This eliminated the need to carry a respirator in these areas. The boxes are checked monthly to make sure each box contains six unused respirators. 5. We had 100% participation in the respirator fit test program, including operators, technical personnel, and permanent block contract maintenance. 3-22-82 DO 097909 CONFIDENTIAL 1981 ACCOMPLISHMENTS LHC II 1. Fit-tested 100% of permanent block personnel for the "Comfo II" respirators. 2. Established 18 respirator "station" throughout the block. Each "station" consists of a bright yellow box, containing 6, "Comfo 11" respirators, mounted in a highly visual location. These boxes are maintained by the block Safety Chairman. 3. Continued our program of checking C3 pumps, when being disassembled for maintenance, for radiation. So far, we have not found any significant radiation. 4. Checked all pumps in the block that pump propane or propylene material, for gamma radiation and discovered only insignificant amounts. 3-22-82 DO 097910 CONFIDENTIAL 8 HR. TLV Highest ppm Average ppm # Samples LHC I BENZENE EXPOSURE DATA 1979 1980 10 ppm 2.4 0.4 14 10 ppm 1.6 0.2 37 O.T. Max ppm Avg ppm Sampled S.O.T. Max ppm .......Avg ppm Sampled O.S. Max ppm Avq ppm Sampled SHIFT SUPV. Max ppm Avq ppm Sampled TECHNICAL Max ppm Avq ppm Sampled CONTRACT MAINTENANCE Max ppm Avq ppm Sampled 2.4 0.8 4 0.6 0.2 3 0.9 0.16 6 0.03 0.03 1 -- ^_ ___ .---- _ --- 0.32 0.27 4 0.3' 0.28 5 0.27 0.20 6 0.21 0.20 2 0.41 0.23 3 1.61 0.27 13 1981 10 ppm 0.33 0.09 7 ... 0.33 0.33 1 0.09 0.08 2 0.06 0.06 1 0.04 0.03 3 --- 3-22-82 D0 097911 confidential LHC I TOLUENE EXPOSURE DATA 1979 1980 8 HR. TLV Highest ppm Average ppm Samples 100 ppm 1.00 0.14 14 O.T. Max ppm Avg ppm Sampled S.O.T. Max ppm Avg ppm Sampled O.S. Max ppm Avg ppm Sampled SHIFT SUPV. Max ppm Avg ppm Sampled TECHNICAL Max ppm Avg ppm Sampled CONTRACT MAINTENANCE * Max ppm Avg ppm Sampled 0.60 0.20 4 0.05 0.01 3 0.04 0.01 6 1.00 1.00 1 __ _ ________ *__ --- 100 ppm 0.29 0.15 32 . 0.26 0.16 4 0.27 0.15 5 0.28 0.13 5 0.14 0.13 2 0.27 0.21 3 0.29 0.15 13 1981 100 ppm 0.05 0.10 7 ___ ------- - .05 .05 1 .01 .10 2 .01 .01 1 .01 .10 3 -- -- DO 097912 CONFIDENTIAL LHC I SHORT TERM EXPOSURE BENZENE STEL = 25 ppm (15 MIN. EXCURSION) OLD PIT CLEANING API'S P 256'S E 455 CLEANING MAX PPM 8.8 0.7 0.4 1.61 AVG PPM 5.9 0.7 0.3 1.61 ^SAMPLES 3 1 2 1 (1979) (1977) (1977) (1980) DO 097913 CONFIDENTIAL CI L__EMBER,1981 T // / // <* \ N N \ \ \ 3. 1. Block 39 2. Train II Air ' 3. Furnace Area 4. Train II 5. Purification 6. P-216 (72 dB) j.(85 dB) (79 dB) (70 dB) (71 dB) (82 dB) % s/ \ .10 li. // V / ' & # / ' / / / / / / / / / > 7. C18 8. PEI pump 9. P 256 A/B 10. Train I11. Train I Air Comp. 12. Cooper House (87 dB) (85 dB) (82 dB) (74 dB) (84 dB) (70 dB) * DO 097914 CONFIDENTIAL GOALS AND PLANS FOR 1982: LHC I AND LHC II 1. Increase short term excursion sampling for exposure to hazardous chemicals. Concentrate on specific areas of the plant and specific duties which may expose plant personnel to high levels of benzene. Monitor each vessel entry, on an individual basis, for toxic agents. 2. Clean waste oil area to reduce contact with waste oil. 3. Improve documentation of Industrial Hygiene information. Include consequences of overexposure of hazardous chemicals, handling procedures for hazardous materials, and results of exposure surveys in a single volume made accessible to all block personnel. Use this volume to increase employee awareness of Industrial Hygiene procedures and precautions. 4. Collect noise and benzene exposure data during plant shutdowns, startups, and upsets. 5. Repair mufflers on furnace burners and put lead shields on lines and valves which are excessively noisy. 6. Continue annual 8 hour TWA benzene/toluene exposure surveys. 7. Continue area noise exposure surveys and collect personnel noise exposure data. 8. Continue to inform employees of survey results and consequences of overexposure of hazardous chemicals in the block. 9. Test for B radiation from scale on C3 pumps before beginning maintenance work. 10. Investigate possible overexposure to Kaswool in furnaces. 3-22-82 DO 097915 confidential. <g2>- DOW CHEMICAL U.S.A. r December 11 LOUISIANA DIVISION P. O. SOX ISO PLAOUEMINE. LOUISIANA 70704 BOA 3SS-SO00 To: J. D. Weldon Cy Earrios Ron Usie Bill Ledford LHC I Vapor Monitoring For Benzene - 12-8-81 Classification Lab (_ O-T') Material Controller Operation Specialist Sr. Operator Tech. Janitor S. Supervisor Operation Spec. 8 Hour TWA PPM Benzene 0.03 0. Oil 0.09 0.33 0.01 0.06 0.07 PPM Toluene 0.01 0.01 0.01 0.0 5 0.01 0.01 0.01 William Herrick Lab - LHC III ss DO 097916 CONFIDENTIAL AN OPERATING UNIT Of THE DOW CHEMICAL COMPANY FILLED IN BY^jf C <530/ ^ PLANT - // X_______ BLOCK j g EMPLOYEE EXPOSURE SUMMARY DRS O** 5^4" _ MINIMAL CETECTABLE STRESS/L^>^ LIMIT AND UNIT p. O / QUARTER_________ YEAR 4r/ IHG C PERSONNEL EXCURSION AREA JOB NO. CLASS AREA/ PT TWA NO. TASK BQ. BASIS SAMP. AVG. HIGH C EXCUR. NO. H DURATION SAMP. AVG. HIGH C SAMPLE NO. * DURATION SAMP. AVG. HIGH C 01 OTT 02 OT 03 SOT OH OS T $L i e>t> 3 a fL i 1L X 6 oS e.ol 05 SS 06 EDO i e>o t cob 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT HSTT 16 CONT MGRS/NON- 19 OP AREA SAMP 20 (NO JC) MFG. 2H MGR. MFG 26 TECH fL I*- i el oof i o.oi ooi 28 CHEMIST SET 29 SUPV. SUP 30 COORD. COMMENTS (use revers side) 097917 CONF IDENTIC! FILLED I BY PLANT X/f C EMPLOYEE EXPOSURE SUMMARY ____________ BLOCK Q<9 STRESS . QUARTER YEAR & / MINIMAL DETECTABLE LIMIT AND UNIT - O O 3> PERSONNEL AREA EXCURSION JOB NO. CLASS AREA/ *PT. TWA NO. SAMPLE NO. TASK EQ. BASIS SAMPLES AVG. HIGH DURATION SAMPLES EXCUR. NO. AVG. HIGH DURATION SAMPLES AVG. HIGH 01 OTT 02 OT 03 SOT 04 OS 05 SS Rkn. WtA / <5.33 Q.33 a 0.00 0.0<1 ) 0.0(, O.ol 06 EDO 07 LAB & A/l ) 0.03 0.03 08 TECH 09 CLER. 10 INSTR 11 LABORER dU. / O.oj O.Oi 12 SUMMER 13 CONT MAINT NON-OS 14 spec! 15 SECUR. 16 MATL CONT / oM OM * 17 LOADING 18 T/C CLNG MGRS/NON 19 OP AREA SAMP 20 (NO JC) * PROTECTIVE EQUIPMENT: (1) Mouthbit (2) Full Face (3) Half or Dust Face (A) Air Supply (5) Hearing Protection DO 097918 confidential FILLED IN BY Lj C L+Jt&rj! PLANT L H L X__________ BLOCK 3> & EMPLOYEE EXPOSURE SUW1ARY DR# - S~a7 MINIMAL DETECTABLE STRESS T*(<. ** % LIMIT AND UNIT Q.Qi xow QUARTER IHG /* vr=- YEAR SL PERSONNEL________ _____________________________ EXCURSIONAREA JOB NO. CLASS AREA/ PT TWA NO. TASK EQ. BASIS SAMP. AVG. HIGH C EXCUR. NO. H DURATION SAMP. AVG. HIGH C SAMPLE NO. DURATION SAMP. AVG. HIGH C 01 OTT 02 OT 03 SOT 04 OS 05 SS f / Dt>| o.o\ ( o.*r dor r^ a o ot fu f O>0t t>.o\ 06 EDO 07 LAB 09 CLER. 10 INSTR 11 LABORER CONT 13 MAINT R5TC 16 CONT MGRS/NON- 19 OP AREA SAMP 20 (NO JC) MFG. 24 MGR. MFG 26 TECH f XL f 0*>t e* D*>( 28 CHEMIST SET 29 SUPV. SHIP 30 COORD. protective eqU 1PMENT: U) MOUTHBIT COMMENTS (use reverse side) (2) FULL FACE (3) HA LF FACE UK DUST (4) Ail 5UFFLY (5J HEARING PHM'EUTIUN OO 097919 CONFIDENTIAL PILL.BP IN BY i* PLANT i H C X M BLOCK *? EMPLOYEE EXPOSURE SUMMARY DB#0O3- MINIMAL DETECTABLE STRESS 7*Ue#. LIMIT AND UNIT _j_Qi QUARTER YEAR / IHG__ (** *f / PERSONNEL EXCURSIONAREA JOB NO. CLASS AREA/ PT TWA NO. EXCUR. NO. ii SAMPLE NO. TASK BQ. BASIS SAMP. AVG. HIGH C DURATION SAMP. AVG. HIGH C DURATION SAMP. AVG. HIGH C 01 OTT 02 OT 03 SOT 04 OS 05 SS 2/ % a C'Cf 1/ e.f! 06 EDO 07 LAB 09 CLER. $ \ D.ff 1 / 'ni 10 INSTR 11 LABORER CQNT 13 maint MATL 16 CONT MGRS/NON19 OP AREA SAMP 20 (NO JC) MFG. 24 MGR. MFG 26 TECH %1 P'Sp! 2 i 8-it pff > 28 CHEMIST SET 29 SUPV. SHIP 30 COORD. PROTECTIVE EQU IPMENT: (1) 10UTHBIT COWENTS (Use r verse side) (2) FULL FACE (3) HALF FACE OH DUST (4) Ail iaJpPL (5) HEARING PHU1ELT1ON DO 097920 CONFIDENTIAL