Document pmxR3yd3aZpvxJQDYopNyXDEw
V
LOUISIANA DIVISION INDUSTRIAL HYGIENE REPORT
REV 8(E)
AN OPERATING UNIT OF THE. DOW C1ILMI CAL COMPANY
DEPARTMENT
FILL NUMBER
CELLULOSE TITLE
LAD-CELLU-86.01
CELLULOSE INDUSTRIAL HYGIENE SURVEY, 1986 AUTHOR(S). SIGNATURE(S)
DATE 1/27/87
REiyEWER'S SI^LUURE
SUMMARY/RECOMMENDATIONS
CELLULOSE EMPLOYEES HAVE A LIKELIHOOD FOR EXPOSURE TO METHYL CHLORIDE, PROPYLENE OXIDE, DIMETHYL ETHER, NOISE AND DUSI. PI. RSONNLL SAMPLES OBTAINED FROM AN S.O.T. SHOWED A HIGH EXCURSION VALUE FOR PROPYLENE OXIDE OF 109 PPM DURING A SAMPLE CATCHING OPERATION. THE LIMIT IS 100 PPM. THERE ARE ALSO SOME AREAS OF THE PLANT WHERE OPERATORS ARE EXPOSED TO HIGH NOISE LEVELS. THESE AREAS ARE CLEARLY MARKED AND HEARING PROTECTION IS WORN. ALL SOURCES OF ORGANICS ARE BEING LOOKED AT AND CHANGES MADE TO ELIMINATE THEM ARE PLANNED.
DISTRIBUTION
LOUISIANA
W. W. CHEW PHIL HARtCH R. M. WEBB *R. W. GALLANT, 2306 *M. F. CURRIER, 2302 *M. E. NEVILL, 3502-E
MIDLAND
n.ARRY RAMPY, 1803 *G. W. ENGDAHL, 1803 *S. K. NORWOOD, 1803 *J. E. LE BEAU, 1803 *A. W. SHAFFER, 2030 *S. M. GORGACZ, 474
OTHER
*Cover letter only
*D. E. CRAGER, FREEPORT 0-101
*F. I). AXE, WES1ERN DIV, 471 *G. L. METER, EASTERN DIV.,
STRONGSVILLE, OHIO
RESTRICTED: for use with the Dow Chemical Company only.
DO 1074/ CONSENT
SUMMARY/RECOMMENDATIONS
CELLULOSE EMPLOYEES HAVE A LIKELIHOOD FOR EXPOSURE TO METHYL CHLORIDE, PROPYLENE OXIDE, DIMETHYL ETHER, NOISE AND DUST. PERSONNEL SAMPLES OBTAINED FROM AN S.O.T. SHOWED A HIGH EXCURSION VALUE FOR PROPYLENE OXIDE DURING A SAMPLE CATCHING OPERATION. THERE ARE ALSO SOME AREAS OF THE PLANT WHERE OPERATORS ARE EXPOSED TO HIGH NOISE LEVELS. THESE AREAS ARE CLEARLY MARKED AND HEARING PROTECTION IS WORN. ALL SOURCES OF ORGANICS ARE BEING LOOKED AT AND CHANGES MADE TO ELIMINATE THEM ARE PLANNED.
CONCLUSIONS AND RECOMMENDATIONS
1. THE HIGH EXPOSURE TO PROPYLENE OXIDE OF 109 PPM DURING A SAMPLE CATCHING DOB WAS THE ONLY HIGH EXPOSURE SHOWN FOR METHYL CHLORIDE, PROPYLENE OXIDE OR DIMETHYL ETHER DURING EITHER PERSONNEL OR EXCURSION MONITORING. THE EXCURSION LEVEL FOR PO IS 100 PPM. THIS EXPOSURE WAS PROBABLY DUE TO THE NECESSITY OF BLEEDING DOWN THE SAMPLE BOMB TO ATMOSPHERE TO ENSURE CATCHING A GOOD SAMPLE. THERE ARE PR03ECTS BEING PLANNED TO MAKE THIS A CLOSED LOOP SYSTEM.
2. ALL HIGH NOISE AREAS IN THE PLANT ARE CLEARLY MARKED WITH HEARING PROTECTION SIGNS. THE GRINDER AREA HAS BEEN ISOLATED BY WALLS THAT ENCLOSE THE ENTIRE OPERATION. HEARING PROTECTION IS REQUIRED TO ENTER THIS AREA.
3. EXPOSURE TO DUST WAS EVALUATED BY USING A DIRECT READING HAM DUST/ AEROSOL MONITOR AND WAS CONDUCTED BY AN INDUSTRIAL HYGIENE REPRESENTATIVE. THE TESTING WAS DONE IN THE WAREHOUSE WHERE MOST OF THE DUSTING CONDITIONS OCCUR. THE DATA SHOWS NO REAL PROBLEMS WITH THE EXCEPTION OF THE ONE INSTANCE WHERE AN OPERATOR BLEW HIS CLOTHES OFF WITH AN AIR HOSE. THE DUST CONCENTRATIONS OF 2.3 TO 4.5 MG/M13 42 RESPIRABLE CAME VERY CLOSE TO THE MAXIMUM.
1987 PLANS
1. CONTINUE TO DO PERSONNEL MONITORING FOR METHYL CHLORIDE, PROPYLENE OXIDE AND DIMETHYL ETHER. WE WILL DO SOME AREA MONITORING FOR THESE CHEMICALS TO ESTABLISH SOME CONCENTRATION GRIDS FOR THE BLOCK.
2. PERSONNEL NOISE MONITORING WILL CONTINUE. NOISE LEVEL GRIDS WILL BE DETERMINED FOR THE BLOCK TO ENSURE THAT NO NEW HIGH NOISE LEVEL AREAS HAVE BEEN CREATED.
3. DUST MONITORING WILL BE DONE MORE ON A PERSONNEL MONITORING CRITERIA TARGETING SPECIFIC 30BS. THIS DATA SHOULD ALLOW US TO EXAMINE EACH DOB WITH REGARD TO EXPOSURE LEVELS AND PROTECTIVE EQUIPMENT NEEDED.
4. OUR PLANS ARE TO PURSUE A MORE COMPLETE AND COMPREHENSIVE INDUSTRIAL HYGIENE PROGRAM FOR THE INDIVIDUAL EMPLOYEES AND FOR THE GENERAL PLANT AREAS.
DO 107430 CONFTDENTIA
ORGANIC EXPOSURE EVALUATION
THE IHG LIMITS FOR THE ORGANICS TESTED ARE LISTED BELOW:
8 HR TWA
EXCURSION
METHYL CHLORIDE PROPYLENE OXIDE DIMETHYL ETHER
25 PPM 20 PPM 400 PPM
75 PPM 100 PPM
A DUPONT MODEL P200A AIR MONITOR WAS USED TO COLLECT ALL SAMPLES. CHARCOAL TUBES WERE REFRIGERATED UNTIL ANALYSIS.
THL
DUST EXPOSURE EVALUATION
THE DUST EXPOSURE TESTING WAS CONDUCTED BY INDUSTRIAL HYGIENE USING A DIRECT READING HAM DUST/AEROSOL MONITOR. THE LIMITS FOR DUST ARE AS FOLLOWS:
TOTAL
RESPIRABLE
ALPHA CELLULOSE METHOCEL
10 MG/M3 10 MG/M3
5 MG/M3 5 MG/M3
NOISE EXPOSURE EVALUATION
NOISE EXPOSURE READINGS WERE TAKEN USING THE DUPONT MK-2 AUDIO DOSIMETER. ALL SAMPLES TAKEN WERE PERSONNEL SAMPLES. THE COMPLETE DATA IS SHOWN IN THE TABLES.
RANDY NORMAND CELLULOSE PRODUCTS PLANT
ATTACHMENTS
SGL
DO 107481 CONFIDENTIAL
PERSONNEL NOlSt MONITORING DATA
DATE
12-17-86
NAME
D. BERTHELOT
MASTER if
432618
OOB ASSIGNMENT 0. MAINTENANCE
12-17-86 H. TAYLOR 432455 WASH S.O.T.
12-18-86 B. RANSON 432341 0. MAINTENANCE
12-15-86 R. HERNANDEZ 433703 PACK S.O.T.
TIME
7:54
STANDBY
DOSE %
,, ^8.3
L AVG.
ndose % L AVG. n
86.2 27.5 80.8
S.L.M.
L MAX.
118.4
L MAX. TIME
3:41
l MAX. #2
120.8
DOSE, TIME
58.6
>115 DB, TIME 0:00
COMMENTS
7:55
7:47
7:50
138.0 92.4 117.2 91.3
45.1 84.5 28.1 31.1
50.8 85.3 26.1 80.5
OFL
119.1
122.9
7:51
1:34
6:37
OFL
120.5
124.3
139.6
46.4
51.6
7:51
1:34
4:17
HEARING PROTECTION HE ARING PROTECT ION
WORN
WORN
DO 107467' CONFIDENTIAL
DATE
12-15-86
NAME
K. MULANAX
MASTER #
282457
OOB ASSIGNMENT WASH S.O.T.
PERSONNEL NOISE MONITORING DATA
12-16-86 M. ARMSTRONG 433346 GRINDER O.T.
12-16-86 A. LEE 431932 OUTSIDE O.S.
TIME
8:00
7:51
8:11
STANDBY DOSE % L AVG.
^ 165.0 93.6
296 98.0
68.4 87.1
DOSE % #Z
149.7
280
50,2
L AVG. itZ
92.9
97.6
84.9
S.L.M.
L MAX.
129.9
OFL
122.8
L MAX. TIME
0:59
0:11
6:35
l max. n
130.8
OFL
125.3
DOSE, TIME
164.8
300
66.8
>115 DB, TIME 0:09
0:18
6:35
COMMENTS
USING AIR HOSE
OPENED FEED THROATS
HEARING PROT. WORN ON GRIND. HEARING
PROT. WORN.
2-25-86 G. YOUNG 433394 PACKAGING S.O.T OPLR. METHOCEL PACKAGING MACH. 7:44
72.6 87.9 48.4 85.0
129.5 2:57 134.8 74.8 1:43 HEARING PROT. WORN
^D T074QCc^r DfTNTr
AL
PERSONNLL NOISE MONJ TURING DATA
DATE
2-25-86
2-27-86
2-27-86
3-25-86
NAME
JOEY JUSTICE
BRIAN SISK
S. OSTERBERGER
H. RUSSELL
MASTER #
280408
279 759
432462
432926
JOB ASSIGNMENT GRINDER O.T. CELLULOSE GRINDERS STOCK A RUNNING
WASH O.T.
WASH S.O.T.
REACT. WORK A F1LT. REACT. MONITOR AND
CATCH SAMPLES
CATCH SAMPLES
LAB S.O.T.
TIME
6:58
7:30
7:33
7:49
STANDBY
DOSE % L AVG.
U "SSTO 88.0
91.0 89.8
70.6 87.9
7.4 71 .4
DOSE * #2
49.7
69.9
56.2
5.0
L AVG. #2
86.0
87.9
86.3
68.7
S.L.M.
L MAX.
127.3
OFL
115.3
112.9
L MAX. TIME
L MAX. n
3:19 140.8
1:56 OFL
2:53 116.3
5:35 115.0
DOSE, TIME
75.6
96.4
74.8
7.6
>115 DB, TIME 6:35
1:12
0:00
0:00
COMMENTS
HEARING PROT. WORN
DO 107484 CONFIDENTIAL
PERSONNEL NOtSL' MONITORING DMA
DATE
3-25-86
NAME
30HN LAFLEUR
MASTER #
430975
30B ASSIGNMENT MAINTENANCE SUPERVISOR
TIME
5:13
STANDBY DOSE %
*" 6.5
L AVG. DOSE % n
73.4 2.8
L AVG. #2
67.4
S.L.M.
L MAX.
112.1
1 MAX. TIME
0:54
L MAX. #2
115.8
DOSE, TIME
10.0
>115 DB, TIME 0:00
COMMENTS
D0 1074S5 CONFIDENT!^
DUST MONITORING DATA
CELLULOSE WAREH0U5L
MG/M3
INSIDE N.W. DOOR
0.01 - 0.017
N. SIDE OF VALVE BAGGER
0.012 - 0.008
N. WALKWAY
0.003
N.E. CORNER INSIDE DOOR
0.004
END OF VALVE BAGGER CONVEYOR
0.002 - 0.004
S. OF VALVE BAGGER LINE
0.005
AT VALVE BAGGER
0.007
BESIDE POWER CABINET
0.01 - 0.015
GENERAL WAREHOUSE S. OF BAGGING AREA
0.010 - 0.015
OPERATOR USING AIR HOSE TO BLOW CLOTHES AND EQUIPMENT OFF
5 FEET AWAY
2.3 - 4.5
1 MINUTE LATER
0.8 - 1.0
2 MINUTES LATER
0.04 - 0.05
COM.107486
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