Document oDDL2rNXVVKGvmBQj9mzeejko
INDUSTRIAL HYGIENE REPORT
GULF COAST INDUSTRIAL HYGIENE CENTER Louisiana Division
AN OPERATING UNIT OF THE DOW CHEMICAL COMPANY
IHS File Number LAD-LHC3-96.01 Date Issued: 6/3/96 Plant Code: 0681
Title
Authors Reviewer
Annual Summary of Monitoring Results for Benzene, 1,3-Butadiene, Toluene,
Xylene, Biphenyl and Noise and Related Industrial Hygiene Activities During
1995 at the Light Hydrocarbon III Facility, Plaquemine, Louisiana.
D.D'AnnondX^^^.P.ul
, j}
~
D. Albert^ /MuT
B Jackson
------------------
Purpose
Monitoring was conducted to confirm Benzene compliance and assess 13butadiene on the Furnace I job assignment. Benzene compliance was also assessed on the analyzer job assignment Additionally, Benzene monitoring was performed to assess any potential changes in exposure potential after the benzene expansion job. Other chemicals monitored in the benzene expansion area were toluene, xylene, biphenyl and 1,3-butadiene. Loading operations were monitored to assess ambient levels of biphenyl.
Results and Conclusions
The following conclusions are based on conditions that existed the days of the survey. Changes in equipment, procedures, ventilation or other conditions that affect exposures may alter or invalidate these conclusions.
Benzene, 1,3Butadiene
The analyzer job was monitored again to confirm the data results collected last year in accordance with the benzene standard. The job task had been monitored following an engineering improvement to mount the filters outside the analyzer houses. The benzene results were <0.01 and 0.04 ppm 8-hr. time weighted average. The Furnace I job was re-checked for benzene compliance. Two samples were collected a week apart with results of <0.03 and <0.04 respectively. 13Butadiene levels were also assessed at the same time with both results being <0.02 ppm. These results are to be compared to the 8-hour time weighted average limit of 1.0 ppm for benzene and 2..0 ppm for 1,3-butadiene.
Hydrocarbon Monitoring Following Benzene Expansion Project
Several full-shift operations were monitored following the benzene expansion last year. Two samples were taken during the performance of the operations associated with the benzene, toluene, xylene rounds and two samples were collected during the routine extraction/hydrogenation operations. All levels were well below the established 8-hour time weighted guidelines. Benzene results were both <0.01 ppm for BTX rounds and 0.03 and 0.04 ppm for the extraction/hydrogenation job. Toluene levels were both <0.01 ppm for BTX rounds and 0.01 and 0.03 ppm for the extraction/hydrogenation job. Xylene levels were none detected and <0.01 ppm for the BTX rounds and both results were <0.01 for the extraction/hydrogenation job. 1,3-Butadiene levels were none detected and <0.03 ppm for both jobs monitored and Biphenyl results were all none detected. A 3M Easi-Care half-face respirator equipped with OVAG cartridges was worn during sample collection for the extraction/hydrogenation job. All of these results are to be compared to the 8hour time weighted average limit of 1.0 ppm for Benzene, 50 ppm for Toluene, 100 ppm for Xylene, 2 ppm for 13-butadiene and 0.2 ppm for Biphenyl..
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DO A 024221 CONFIDENTIAL
IHS File Number: LAD-LHC m -96.01
Plant Code: 0681
Biphenyl
Noise Hood Evaluation Training
Monitoring was performed for biphenyl during loading operations. One sample was collected during the loading of a biphenyl tank car and two samples were collected during the loading of biphenyl and pygas tank cars. The sample results ranged from none detected (0.01 ppm) to 0.04 ppm and are to be compared to the 8-hour time weighted average limit of 0.2 ppm. Individual results were ND(0.01), <0.01, 0.04 and <0.01 ppm. A 3M-5000 Easi-Care half-face respirator equipped with OVAG cartridges was worn during the loading of the biphenyl and pygas tank cars.
An area noise survey was conducted and there remains two areas of die plant requiring double hearing protection, the K-71 compressor and gas turbine area and the K-120 compressor and gas turbine area. Further monitoring is scheduled over the next two years to confirm noise levels for the job assignments above the 50% dose level.
The last hoods evaluated for face velocity performance were done in the fourth quarter of 1995 and judged to be performing adequately.
All training was conducted utilizing the IPT (in plant training) computer based plant modules.
Training on the hazards within the Light Hydrocarbon III facility was presented during Hazard Communication training which included training on the benzene regulation. A written Hazcom program manual exists in the facility along with all material safety data sheets for the hazards in the blocks.
Respiratory protection training was conducted on the respirators specified for use in the Light Hydrocarbon III Facility. Annual respirator fit-testing was conducted on all applicable personnel in accordance with the benzene regulation using the benzene protocol and the saccharin aerosol method.
Training on the hearing conservation program was presented and included the effects of excessive noise to the ear. Personnel received instruction in the proper use of hearing protection.
Training was presented on the personal protection equipment used in Light Hydrocarbon in Facility.
Asbestos training consisted of the hazards associated with asbestos and a review of the handling guide.
Program Updates
The Chemical and Physical Agent Inventory was updated.
The written hearing, respiratory, personal protective equipment asbestos management and Hazcom programs were reviewed for currency.
Recommendations Perform monitoring as indicated in the Light Hydrocarbon III Written Ind. Hygiene Monitoring Program. It is anticipated that the 13-butadiene standard will become final in 1996 and initiate the required initial monitoring to assess compliance.
Sampling Analytical Methods
The sampling for all compounds monitored was collected using a 3M 3500 passive badge. The badges were desorbed in carbon disulfide and analyzed by gas chromatography using a FID. The analyses were performed by the LAD Environmental Services Lab and reported under reference numbers 500786, 500844, 500911, 500909, 500784, 500788, 500783 and 500787.
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00 A 024222 confidential
IHS File Number: LAD-LHC III -96.01
Plant Code: 0681
Distribution List
K. Hasenbeck, 2306
B. Jackson, 6801 T. Leigh, 1601 E. Supple, 3801 L. Hanrahan, 3801 Occupational Health Department (R. McLaury,MD), 2303 Plant Technology Center D. L. Albert, 3502W S. L. Dombrowski, 1803 Midland Asbestos Compliance File, Legal Department, 2306 Lead Compliance File, Industrial Hygiene, 3502W Texas Operations Industrial Hygiene, B-101 Louisiana Compliance File (Original for Backup Package),
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confidential
GULF COAST
INDUSTRIAL HYGIENE REPORT
FILE NUMBER: LAD-LHC III 94.01 DATE ISSUED: 8/5/94 PLANT CODE: 0681
Title: Evaluation of employees exposure to asbestos, benzene, toluene, 1,3 butadiene,, ethyl benzene, xylene, dicyclopentadiene, refractory ceramic fibers, crystalline silica, noise and related Industrial Hygiene activities at the Louisiana Division Light Hydrocarbon 3 Plant, Plaquemine, Louisiana during 1993.
Authors Reviewers
D- p'Almond
B. Jackson ^
J- Pau>-\^ OUx, j ,, C. Modiland / /jLlfy__ M. Marchant Jl\4
^u-NlT~
Purpose Results and Conclusions Hvdrocarbons
Distribution
As part of a continuous effort to provide a healthful and safe work environment for personnel of the LHC 3 plant, a program to evaluate employees' potential exposure to asbestos, hydrocarbons, crystalline silica, noise and refractory ceramic fibers was conducted during 1993. This report addresses the work performed including recommendations for 1994.
The following conclusions are based on conditions that existed the days of the surveys. Changes in equipment, procedures, ventilation or other conditions that affect exposures may alter or invalidate these conclusions.
Personal and area badge monitoring was conducted on operations personnel for exposure to benzene, 1,3-butadiene, toluene, xylene, ethyl benzene and dicyclopentadiene. Monitoring was conducted for both rime weighted average and short term tasks. Time weighted average monitoring for routine operations were well within the limits for all hydrocarbons monitored. Monitoring during maintenance on furnace #3 were within the guidelines for benzene and 1,3-butadiene. Benzene levels for the contract laborer averaged 37 ppm during the cleaning of rust and debris from benzene tank T-1605B floor. Personnel involved in the job wore breathing airline respirators during the job. An instrument operator was monitored for benzene exposure during the filter replacement job inside the analyzer houses. The result was 9.6 ppm and represents a potential exposure because a full-face organic vapor respirator was worn during the task. These filters have been moved to the outside of the analyzer houses and the task will be remonitored when it is performed again. Several short term task samples were collected and analyzed for hydrocarbons during sampling collection and vessel inspection. All results were well within the short term exposure guidelines. Area samples collected during short term and time weighted average sampling were also well within established guidelines. This data is shown in Table 1 and Table 2.
K. Hascnbcck, B-2306 D. Mihalik, B-6801 C. Moditand, B-6801 D. Albert, B-3502W J. Mascy, B-3801 D Wesson, B-3801
B. Jackson, B-6801 S. L. Dombrowski, Midland 1803 C, Mcsselt, B-3502W E. Supple, B-3801
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Results and Conclusions (Cont'd)
Asbestos
Refractory Ceramic Fibers
Crystalline Silica
Noise Hood Evaluation Fugitive Emission Program
Employee exposures to asbestos were monitored during wet removal of friable asbestos gaskets and are detailed in Table 3. Analytical results were at the limit of detection of <0.01 fib/cc. The 30 minute short term exposure limit is 1 fib/cc > 5 microns. These results represent potential exposure rather than actual exposure because the proper respiratory protection was worn. This consisted of the North 7700 half-face respirator with HEPA filters.
Employee exposures to Refractory Ceramic Fibers (RCF) were monitored during brick repair work and Kaowool work inside a furnace. Analytical results were 0.22 fib/cc and 0.42 fib/cc. The proposed Dow'IHG permissible exposure limit for RCF is 0.5 fib/cc > 5 microns. These results represent potential exposure rather than actual exposure because the proper respiratory protection was worn. This consisted of a half-face 3M 6000 respirator equipped with HEPA filters. Table 4 details this information.
During the above job, levels of crystalline silica were also monitored with results of 0.5 mg/m3 respirable dust, none detected (0.03 mg/m3) crystalline quartz, none detected (0.05 mg/m3) cristobalite and none detected (0.1 mg/m3) tridymite. These results are to be compared to the permissible limits of 5.0 mg/m3 respirable dust, 0.1 mg/m3 crystalline quartz, 0.05 mg/m3 cristobalite, and 0.05 mg/m3 tridymite. Again, half-face respiratory protection was worn using HEPA filters. Future sampling needs to be conducted for a longer time period in order to assure tridymite levels are below the TLV. This information is noted in Table 5.
One contractor was monitored for noise during routine operations at Block 110 with a full shift dose corrected result of 1.2% to be compared to the OSHA permissible exposure limit of 100%. This information is detailed in Table 6.
All laboratory fume hoods and the maintenance shop hood were evaluated for face velocity. Smoke tubes and an Alnor Model 8925 Thermo Anemometer air velocity meter were used to determine capture performance and hood face velocities. Documentation for the performance of the air flow monitor device is done once per week.
The LHC 3 plant has an ongoing fugitive emission monitoring program for hydrocarbons which includes corrective actions for repairing any leaks detected. This preventive program aids in eliminating potential employee exposures.
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Results and Conclusions (Cont'd)
T mining
Training on the hazards within the LHC 3 plant was presented during Hazard Communication training. A written Hazcom program manual exists in the plant along with all material safety data sheets for the hazards in the block. This training was conducted utilizing the lPT(in plant training) computer based plant modules.
Respiratory protection training was conducted on the respiratory protection available in the LHC 3 plant. The training included proper use, limitations and donning procedures. This training was conducted utilizing the IPT computer based plant modules. Annual fit-testing was conducted for all applicable personnel in accordance with the benzene regulation using the benzene protocol and the saccharin aerosol method.
Program Updates
Training on the hearing conservation program was presented and included the effects of excessive noise to the ear. Personnel received instruction in the proper use of hearing protection. Again, this training was given utilizing the IPT computer based plant modules.
The chemical list and equipment/vessel cross reference found in the Hazcom Manual and the Chemical and Physical Agent Inventory were updated.
The written hearing, respiratory, asbestos management and Hazcom programs were reviewed for currency
The personal protective equipment written program was completed and served as a current survey of the chemical resistant PPE being used in the plant. Required PPE has been previously detailed in the safety section of job procedures and/or referenced on the Safe Work Permit.
Recommendations Continue to monitor non-routine task specific jobs for hydrocarbon exposures to assure regulatory compliance.
Maintain currency of industrial hygiene programs (Hazcom, Respirator, Hearing, Benzene, PPE, Asbestos) and provide annual training on Hazcom, hearing conservation, benzene regulation and respiratory protection.
Update the Chemical and Physical Agent Inventory
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Sampling and Analytical Methods
ASBESTOS
Employee breathing zone sampling for asbestos was taken using Gilian high flow pumps calibrated at a flow rate between 2430 cc/min. and 2475 cc/min. An open face Neuclepore 0.8 micron size 25 mm mixed cellulose filter was used. Analyses were performed by an outside laboratory, Inchcape Testing/West-Paine Laboratories of Baton Rouge, La. using NIOSH 7400 method.
BENZENE. 1.3 BUTADIENE. TOLUENE. DICYCLOPENTAPIENE, XYLENE, and ETHYL BENZENE
Samples to measure concentrations of benzene, 1,3 butadiene, toluene, dicyclopentadiene, xylene, and ethyl benzene were collected using 3M 3500 or 3520 organic passive badges. Analyses were performed by L. Almo of the LAD Environmental Services Lab using gas chromatography.
REFRACTORY CERAMIC FIBERS
The sampling for RCFs was conducted using NIOSH method 7400A. Fibers larger than 5 microns in length were counted by means of phase-contrast microscopy at a magnification of 400X. Employee breathing zone sampling was taken using Gilian low flow sample pumps calibrated at a flow rate between 1.77 liters/min. and 2.6 liters/min. using a 25 mm filter cassette. Analyses were performed by outside laboratory, Inchcape Testing/West-Paine Laboratories of Baton Rouge, La.
CRYSTALLINE SILICA
Samples for crystalline silica were collected on 35mm PVC filter cassettes at a flow rate of 1.7 liters/minute and analyzed in accordance with NIOSH Method 7500. Analyses were performed by an outside laboratory, Clayton Environmental Consultants, Michigan.
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DO A 024227 CONFIDENTIAL
O OO ZO -iR-t T>
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TABLE 1 PERSONAL AND AREA MONITORING TIME WEIGHTED AVERAGE RESULTS FOR 1,3- BUTADIENE, BENZENE, TOLUENE, XYLENE, AND DICYCLOPENTADIENE, ATTHE LIGHT HYDROCARBON III PLANT, LOUISIANA DIVISION, PLAQUEMINE,
LOUISIANA, 1993
Master f
Sample Dirr.
Pan
(Min.)
1,3-BulacMeno
OPERATON SPECIALIST 12 HR SHIFT
099777
04/01 505 N1J(0 28) (a)
097375
04/01
585
N [>(0.241
742593
04/03
600
ND(0 24)
242591 095449
04/02 04/01
575 580
N 0(0.25) ND(0.24)
098120
04/21
510
ND(006>
433252
04/21
495
<0.06
43302*
07/29
480
<0.05
433820
08/02
420
<0 05
433820 431343
08/03 10/22
420 450
<0.05 <0 30
433343
tfl/21
720
<0.19
ARITHMETIC AVG.
<0.17
CONCENTRATION (ITM)
Benzene Tolueno Xylene Dicyclopentadiano Task
<0 05 (h) <0 04 006 <0 04 <0 04 <0.05 <0 05 <0 05 <0 05 <0 05 <0 05 <003 <0.05
0 12 <0 05
0.09
<U 05 <0 04
<0 05 <0.115
<0.05
NI3(0 05) <0 05
<0.05 ND(0 05)
<0.05
outside extraction job outside UTX upf ; caught samples (c) outside furnace *2;worked around fuel gas outside furnace #2; caught samples outside furnace #2; caught samples outside extraction job,blew down transmitter, cleared pump IJIock 58 O.S. job Furnace 1 job - normal routine l urnacc 1 job - normal routine Furnace 1 job - normal routine Normal lltk 110 Duties Normal Dlk 110 Duties
(c)
SH. OPERATION SPECIALIST - II HR SHIFT
[433672
04/06
310
15
9 6 0*2 _ 011
16 analyzer opr replacing filters at analyzer houses (d)
CONTRACT-LABORER; 8 lift SHIFT
437 219405 09/21
435
428-62-5287 09/23
510
415-63 6223 09/23
260
435-48-7375 09/23
260
431-23 0772 11/18
305
434-98-5944 11/18
105
ARITHMETIC AVG.
AREA SAMPLE 05/11
450
09/21 11/18
465 335
ARITHMETIC AVG.
Occupational Eipotur* Llmll ACGH 8-HR TWA OSHA S-HR TWA
014 0 23 0.19
31 28 53 36
37
<0 30
015 0.23
i
<0.05 0.19
0.12
<0 05
<0.05
<0.05 <0.05
10 5 0 100 1
Cleaned llen/enc T-160511 Door of rust and din Cleaned llenzene T- L605I1 floor of rust and dirt Cleaned llenzene T* 160511 floor of rust and dirt Cleaned llenzene T-16051) floor of rust and dirt "f a k ing c ore bore under T* 1701 Hz l ank (c) Taking core bore under T-1701 Elz Tank (e)
(e) (c) (e) (e)
<0.06 <0.06
S
outside lab refrig. after new carbon absorbers were installed
NW manway of T-1605H T 1701 Core Hot ing work; 5' from work area
*
(a) NO. None Delected with the analytical hmil ol quantitation noted in parenthesis (b) BLQ.Oetectable amount bul below Ihe analytical limit ol quanlilation lor the survey sampling conditions (c) 3M Easi-Cate hall-lace respirator with OVAG cartridges was worn during the job (d) Scoll-O-Visla lull-lace respirator with OVAG cartridges was worn during Ihe job. (e) Full-Face Breathing-airline was worn during the fob
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S
TABLE 2 PERSONAL AND AREA MONITORING RESULTS DURING SHORT TERM TASK SPECIFIC OPERATIONS FOR 1.3-
BUTADIENE, BENZENE, TOLUENE, XYLENE, DICYCLOPENTADIENE, AND ETHYL BENZENE, AT THE LIGHT HYDROCARBON III PLANT, LOUISIANA DIVISION, PLAQUEMINE, LOUISIANA, 1993
O oD
O* 5O -I JS M nO
Sampla Dur.
Mastar t______ Data______ (Min.)
1,3-Buladlana
OFFRATION SPECIALIST - II HR SHIFT
099777 099055
04/01 04/01
75 60
ND<1.9> (a) ND(2 4)
433576
04/01
no
<1 3
098575
00/29
20
<1.1
ARITHMETIC AVG.
< LI
CONCENTRATION (PPM)
_______________________________________ ___________'
Bantena Toluana Xylene Dicyclopenladiene Elhyl Ban;ana Task
<0 31 (b) <0 38 <0 21 <1.15 <#.51
<0 31 <0 39 <0 21
<0.30
NIX0 37) N1X0 46)
<0 25
<0.36
outside extraction job; caughl samples (c) outside cxlraclion;caiching samples (c) owls iiie RTX opr; catching samples (c) Furnace II job caughl quench oil. pyrolysis gas, 1120 smp
SR. OPERATION SPECIALIST - II MR SHIFT________ __________ __________ __________ _____________________ ________________ _____________________________________________
[220015
\ 0B/D5 |
#0 [ <0.19 ) <0 62 |
|
|
| | Furnace II jub caught quench oil and water samples
PRODUCTION SPECIALIST - B HR SHIFT_______________ __________ __________ __________ _____________________ ________________________________________________________________
1090731
| 11/12 |
20 |
| 1.2 | 75 |
|
| <1 I [inspected V-300A; BIX HO (c)
| 1
CONTRACT-BOILERMAKER; < HR SHIFT
433-11.2651 05/10
220
<0.62
436 27 1788 05/10
220
<0 62
433-02-8744 05/10
400
<0 34
437-74-2301 05/10
220
<0 62
437-76-3537 05/10
220
<0 62
ARITHMETIC AVG.
<0.56
<0 10 <0.10 <0 06 <0 10 <0 to <0.09
performed normal maim. on tum/cr line exchgers on F-3 performed normal maim. on transfer line exchgers on F-3 performed normal maim, on iransfcr line exchgers on F-3 performed normal maim on transfer line exchger's on F-3 performed normal maim, on transfer line exchger's on F-3
(c) (c> <c) {c> (c)
AREA SAMPLE
______________ ________________ __________ __________ __________ _____________________ ____________ ___ __________________________________________________________
| | 11/12 | 20 j
| <1.1 [ 1.4 [
[
| <11 |V-300A Manway l)lk IIP
j
OCCUPATIONAL EXPOSURE LIMIT ACGIHBHRTWA ACGH SHORT TERM EXPOSURE LMIT
10 --
50 100 -- ISO
5 ---
OSHA a HR TWA OSHA SHORT TERM EXP06URE LMfT
1 5
(a) NO.None Deteclad with #>a analytical limit ol quantitation noted in parenthesis (b> DLQ>Delactable amount bul below the analytical limit ol quantitation lot the survey sampling conditions. (c) 3M Easi Care half-lace respirator with OVAG cartridges was worn during Ihe |ob.
100 150
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TABLE 3 PERSONAL AIR MONITORING RESULTS FOR ASBESTOS, LIGHT HYDROCARBON III, LOUISIANA DIVISION, PLAQUEMINE, LOUISIANA, 199-
Master Number
Date
Sampling Period
CONTRACTOR -K MR SHUT 435-90-9580 10/27 12:45 -13:20
Cone. f/cc Asbestos Sampled
TWA_______Comment (a)
0.01 Wet method removal of friable asbestos gaskets
OCCUPATIONAL EXPOSURE LIMIT OS1IA SHORT TERM EXPOSURE 1
1.0
(a) The proper protective clothing was worn timing the job. A half-face North 7700 respirator equipped with HEPA fillers was worn during the job.
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TABLE 4 PERSONAL AIR MONITORING RESULTS FOR REFRACTORY CERAMICS, LIGHT
HYDROCARBON III, LOUISIANA DIVISION, PLAQUEMINE, LOUISIANA, 1993
CONCENTRATION, f/cc
MATERIAL
Maslcr
Sampling
Sampled
Full-Shift
Number______ Date_______ Period________TWA_______TWA (a)
Comment (h)
CONTRACTOR - 8 HR SNIFF 437-48-3618 08/05 12:45 - 16:30 435-27-5138 08/05 13:05 - 16:30
0.22 0.42
0.10 0.18
Brickmason; brick work and kaowool work in Furnace 6 Laborer; brick work and kaowool work in Furnace 6
ARITHMETIC AVER ACE
0.14
OCCUPATIONAL EXPOSURE LIMIT
. DOW IHO
8-1 Ir TWA
0.5
(a) Full-shift TWA extrapolated assuming no exposure during time not sampled. (b) The proper protective clothing was worn during the job. A half-face 3M 6000 HEPA respirator was worn during the job.
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TABLE 5 PERSONAL AIR MONITORING RESULTS FOR CRYSTALLINE SILICA, AT THE LIGHT HYDROCARBON III PLANT, LOUISIANA DIVISION, PLAQUEMINE, LOUISIANA, 1993
Master df
Date
Sample Dur. (Min.)
CONTRACT-BRICKMASON: 8 HR SHIFT
435-13-5481 08/05
220
434-88 3027 08/05
210
ARITHMETIC AVG.
Particulate (Respirable)
0.50 0.50 0.50
CONCENTRATION (MG/M3)
Crystalline
Quartz
Cristobalite
ND (0 03) (it) ND (0.03) ND (0.U3)
ND (0.05) ND (0.05) ND (0.1)5)
Tridymite (c) Task
ND (0.1) ND (0.1) ND (0.1)
Brick work and kaowool work in J:-6 furnace (b) Foreman of brick work ami kaowool work in F-6 furnace (b)
OCCUPATIONAL EXPOSURE LIMIT ACGIH B-HR TWA
5
0.1 0.0 5 0.05
(a) ND=None Delected with the analytical limit ol quantilalion noted in parenthesis. (b) 3M Easi-Care half-face respirator equipped with HEPA (titers was worn during the job. (c) Future sampling needs to be conducted for a longer time period in order to assure Tridymite levels below the TLV.
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TABLE 6 PERSONAL NOISE DOSIMETRY RESULTS FROM LIGHT HYDROCARBON III,
BLOCK 110, LOUISIANA DIVISION, PLAQUEMINE, LOUISIANA, 1993
% OSHA Allowable
Master Number
Date
Min.
Sampled Dose
Fu] I-Shi ft Dose (a)
OPR. SPECIALIST -12 MR SIIIFP
433538
09/16
599
1.0
1.2
Equivalent Sound Pressure
8-Hr Shift 12-Ur Shift
(dBA)
(dBA) Comment
58.1 55.1 Blk 110 Routine Operations (h)
OSHA Permissible Exposure Limit
Hill
90 dBA
87 dBA
(a) Full-Shift Dose extrapolated assuming continued exposure during time not sampled.
(b) Hearing protection is required to be worn when pumps arc running and for high noise task specific jobs.
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Figure 1A:
LOUISIANA DIVISION INDUSTRIAL HYGIENE
TESTLN G__QATA
PLANT:
LHC III
Building 6803
HOOD I D.: Lab Hood #1
DATE': February 2. 1993 TESTED BY: Darlene Creel
Static Pressure Reading 1.1
Hood Face Velocity Readings at a(n) 18" Sash Opening.
186 196 160 172 151 169 160 139 119 111 142
Smoke Tube Observations With a(n) 18" Sash Opening -
****GOOD (Air capture by hood is strong and well defined with minimal internal turbulence, and no observable smoke swirling back to hood face when person stands at hood face.)
Designation___Sash Hood Opening
Lab Hood #1
18"
(FPM)
(FPM)
_EV _FVmClassification
155 111
"A"
Used the Alnor Model 8925 Thermo Anemometer.
FV = Average Face Velocity FVm = Minimum Measurement FPM = Feet Per Minute
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Do A 0P4P34 CONFIDENTIAL
FIGURE IB:
LOUISIANA DIVISION
INDUSTRIAL HYGIENE HOOIL-EERE.QRMANCE TESTING DATA
PLANT:
LHC III
Building 6803
HOOD I D.. Lab Hood #2
DATE: February 2, 1993 TESTED BY: Darlene Creel
Static Pressure Reading 1.2,
Hood Face Velocity Readings at a(n) 182. Sash Opening.
131 140 154 133 139 134 137 133 174 135 156
Smoke Tube Observations With a(n) 18!1 Sash Opening -
****GOOD (Air capture by hood is strong and well defined with minimal internal turbulence, and no observable smoke swirling back to hood face when person stands at hood face )
(FPM)
Designation Sash Hood Opening FV
Lab Hood #2
18"
142
(FPM) __--FVm------------ Classification
131 "A"
Used the Alnor Model 8925 Thermo Anemometer.
FV = Average Face Velocity FVm = Minimum Measurement FPM = Feet Per Minute
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12 DO CONF
FIGURE IC:
LOUISIANA DIVISION
INDUSTRIAL HYGIENE HOOD PERFORMANCE TESTING DATA
PLANT.
LHC III
Building 6803
HOOD ID: Lab Hood #3
DATE: February 2, 1993 TESTED BY: Darlene Creel
Static Pressure Reading 0.80
Hood Face Velocity Readings at a(n) 182. Sash Opening.
126 125 124 116 118 119 124 132 134 123 129
Smoke Tube Observations With a(n) 18" Sash Opening -
****GOOD (Air capture by hood is strong and well defined with minimal internal turbulence, and no observable smoke swirling back to hood face when person stands at hood face.)
(FPM)
Designation___ Sash Hood Opening FV
Lab Hood #3
18"
125
(FPM) FVmClassification
116 "A"
Used the Alnor Model 8925 Thermo Anemometer.
FV = Average Face Velocity FVm = Minimum Measurement FPM = Feet Per Minute
RESTRICTED FOR USE WITHIN THE DOW CHEMICAL COMPANY
13 DO A 024230
CONFIDENTIAL
FIGURE ID:
LOUISIANA DIVISION
INDUSTRIAL HYGIENE HOOD PERFORMANCE. XESI1NC-DAXA
PLANT:
LHC III
Building 6803
HOOD I D.: Lab Hood #4
DATE: February 2, 1993 TESTED BY: Darlene Creel
Static Pressure Reading 1.7 Hood Face Velocity Readings at a(n) 18" Sash Opening.
168 170 166 173 155 155 150 128 148
126 119 153
130 71*
145 130
Smoke Tube Observations With a(n) 18" Sash Opening -
GOOD (Air capture by hood is strong and well defined with minimal internal turbulence, and no observable smoke swirling back to hood face when person stands at hood face.)
(FPM)
(FPM)
Designation Sash Hood Opening____ EVEVmClassification
Lab Hood #4
18"
143
71*
"A"
Note
This reading is low because of the printer located at the bottom of the hood. All other readings are good. This hood is a strong "A" classification.
Used the Alnor Model 8925 Thermo Anemometer.
FV = Average Face Velocity FVm = Minimum Measurement FPM = Feet Per Minute
RESTRICTED FOR USE WITHIN THE DOW CHEMICAL COMPANY
14
DO A 024237 CONFIDENTIAL
FIGURE IE:
LOUISIANA DIVISION
INDUSTRIAL HYGIENE HOOD PERFORMANCE TEST1NG_DAIA
PLANT:
LHC III
Building 6803
HOOD I D : Lab Hood #5
DATE: February 2. 1993 TESTED BY: Darlene CreeL
Static Pressure Reading 0.60 Hood Face Velocity Readings at a(n) l&l Sash Opening.
219 220 214 194 217 185 155 193 188 201 179 124 195 186 216
Smoke Tube Observations With a(n) 18" Sash Opening -
****GOOD (Air capture by hood is strong and well defined with minimal internal turbulence, and no observable smoke swirling back to hood face when person stands at hood face.)
(FPM)
(FPM)
Designation--Sash Hood.. Opening__ _.EYm___________________ Classification
Lab Hood #5
18"
192 124
"A"
Used the Alnor Model 8925 Thermo Anemometer.
FV = Average Face Velocity FVm = Minimum Measurement FPM - Feet Per Minute
RESTRICTED FOR USE WITHIN THE DOW CHEICAL COMPANY 15
DO A 0P4238 CONFIDENTIAL
FIGURE IF:
LOUISIANA DIVISION
INDUSTRIAL HYGIENE HOOD PERFORMANCE TESTING DATA
PLANT:
LHC III
Shop Warehouse
HOOD I.D.: Shop Fume Hood
DATE: March 31,1993 TESTED BY: Darlene Creel
Static Pressure Reading 0.37.
Hood Face Velocity Readings at a(n) 40" (Center Door&l Sash Opening.
187 187 197 169
164 140 135 157
159 155 160 160
Smoke Tube Observations With a(n) 40" (Center Doors) Sash Opening -
****GOOD (Air capture by hood is strong and well defined with minimal internal turbulence, and no observable smoke swirling back to hood face when person stands at hood face.)
(FPM)
(FPM)
DesignationSash Hood Openine FVFVm________ Classification
Shop Fume Hood 40" (Center Doors) 164
135
"A"
Used the Alnor Model 8925 Thermo Anemometer.
FV = Average Face Velocity FVm = Minimum Measurement FPM = Feet Per Minute
RESTRICTED FOR USE WITHIN THE DOW CHEMICAL COMPANY 16 DO A 024239 CONFIDENTIAL
FIGURE 1G:
LOUISIANA DIVISION
INDUSTRIAL HYGIENE HOOD PERFORMANCE TESTING DATA
PLANT:
LHC III
HOOD I.D.: Lab Hood #2
DATE: December 2,1993 TESTED BY: Darlene Creel
Static Pressure Reading QJt Hood Face Velocity Readings at a(n) 181 Sash Opening.
151 131 153 140 111 130 134 125
133 122 126
Smoke Tube Observations With a(n) 18" Sash Opening-
****GOOD (Air capture by hood is strong and well defined with minimal internal turbulence, and no observable smoke swirling back to hood face when person stands at hood face.)
(FPM)
(FPM)
DesignationSash Hood Opening FVFVm - Classification
Hood #2
18" 133 111
"A"
Used the Alnor Model 8925 Thermo Anemometer.
FV - Average Face Velocity FVm - Minimum Measurement FPM = Feet Per Minute
RESTRICTED FOR USE WITHIN THE DOW CHEMICAL COMPANY
17
DO A 024240 CONFIDENTIAL
T .-I.
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What is the chemical being used for (e.g. an additive, a raw material, a lab reagent)? (Column #2)
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NO hazardous substance should be used In the worfgriace until an information source (e.g. TlME)i$ on file in the piant/dejpa/tmbnMi
Retain this completed form in Section 15 - CPAI of your IH Manual andk$*1$4% and the MSDS to the Industrial Hygiene Department, 3502W.
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-\r,
CHEMICAL & PHYSICAL AGENT INVENTORY FOR -- AUG 95
PLANT
BUILDING (S)
SUPERINTENDENT
INDUSTRIAL HYGIENE CONTACT
INDUSTRIAL HYGIENIST
JOB ASSIGNMENT (10)
i
0681
NAME:
6S01
B.Jackson
D. D'ARMOND
Jackie Paul
INSTRUMENT
LHC
III
MATERIAL/PHYSICAL AGENT ADDITIVES
INDUSTRIAL DR NUMBER HYG. GUIDE
DEG ' OF EXP,
1) DIMETHYL DISULFIDE
0002-1761
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CHEMICAL & PHYSICAL agent INVENTORY FOR -- AUG 95
L" 1 10.0
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: 0681
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: B.Jackson
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: Jackie Paul
MAINTENANCE CONTRACT
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PAGE: 1
45-EMPLOYEE<S>
PRIORITY RATING <)
DATA SHEFT 1 2___
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DO A 024244
CONFIDENTIAL
4
f * DOW i ONEI DENT T At. ****-+****
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:HFM7 CAL &. PHYSICAL AGENT INVENTORY FOP -- AUG 95
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: 0681
NAME: LHC III
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LOUISIANA DIVISION
/ CHEMICAL f PHYSICAL AGENT INVENTORY FOR -- AUG 95
ft! ! L..D : MG t S ^
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PAGE! 1
2-EMPLOYEE<S> 2-EMPLOYEE<S>
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CONFIDENTIAL
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CH"MTCAl. PHYSICAL. AGENT INVENTORY EOR -- AUG 95
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'HFMKAL PHYSICAL AGENT INVENTORY FOR -- AUG 95
1 GOM- !j"" f 22 )
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,C0^IOENTTAL
.4
*. * *
DOW CHEMICAL U.S.A
LOUISIANA DIVISION
i
OOtTCAL 0 PHYSICAL. AGENT INVENTORY FOR -- AUG 95
f'.h UT T|"F AORTRfJtvtFNT (05)
i 0681
NAME: LHC III
:SHIFT SUPERVISOR
AT FRIAL-'RHYS! CAL AGENT
INDUSTRIAL DR NUMBER HYG. GUIDE
DEG OF EXP
RAGE: 2
6 -EMPLOYEES
PRIORITY RATING ()
DATA SHEET 1___ 2
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DO A 024261 CONFIDENTIAL
"
DOW CHEMICAL U.S.A - LOUISIANA DIVISION
f CM1:-MICA! * PHYSICAL AGENT INVENTORY FOR -- AUG 95
PL, ANT
s 0681
NAME:
PL ILPTMG ' S'1
: 6801
S'. perintendent
: B,Jackson
IN OUSTRIAL HYGIENE CONTACT : D. D'ARMOND
Jr DUSTRIAL HYGIENIST
: Jackie Paul
.1: P ASSIGNMENT <06>
s MAINTENANCE
LHC
III
M<' TEPIAL/PHYSI CAL AGENT
INDUSTRIAL DR NUMBER HYG. GUIDE
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DATA SHEET 12
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0 A 024262
confidential
cw,
* * DOW CONFIDENTIAL
.* * * * * >
DOW CHEMICAL U.S.A - LOUISIANA DIVISION
CHEMICAl & PHYSICAL AGENT INVENTORY FOR -- AUG 95
P,'. ftW"r TO I' ASSIGNMENT <06)
: 0681
NAME: LHC III
:MAINTENANCE
i'-R :RIAL/PHYS3.CAL agent
INDUSTRIAL dr number hyg. guide
DEG OF EXP
; RAGE: 2
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DO A 024263 CONFIDENTIAL
LAD Industrial Hygiene Plant Manual
LAD-Light Hydrocarbon III
PURPOSE SUMMARY OF PAST DATA
SAMPLING STRATEGY
Industrial Hygiene Monitoring Program
The purpose of the Industrial Hygiene Monitoring Program is to schedule personal and area monitoring for Light Hydrocarbon III to be completed during 1995. This program will identify the personal and area monitoring, sampling strategy and methodology. This program is a guideline for routine monitoring and docs not address all monitoring needs for special projects or unplanned events.
Confirmatory comprehensive monitoring for benzene compliance was conducted during the latter part of 1992 and early 1993. Short-term excursion as well as time weighted average monitoring are within the established guidelines for routine operations. Non-routine jobs during shutdown and maintenance operations will continue to be monitored for compliance. The Furnace I and Analyzer job assignments need a couple more samples to verify levels below the action level according to the benzene standard termination of monitoring guidelines. Additional benzene monitoring will be conducted this year to assess potential exposure changes in job assignments affected by the benzene expansion project. Dicyclopentadiene monitoring will be conducted at the same time for these job assignments because of the process changes.
One sample was collected during tank car loading operation of biphenyl; however, the analytical detection limit was not low enough to adequately evaluate the sample result. Additional sampling for biphenyl during tank car loaded is planned for 1995.
Comprehensive initial monitoring for 1,3-butadiene is planned for late 1995 in anticipation of the proposed 1,3-butadiene standard becoming final in 1995. Previous 1,3-butadiene monitoring results are well below the proposed permissible exposure of 2 ppm; however, the standard will only allow monitoring conducted within the last 12 months to qualify as initial monitoring. Monitoring should not begin until checking with Industrial Hygiene (after June, 1995) to verify effective dates of the proposed standard.
Toluene and xylene levels are well below established guidelines and will not be monitored again until 1997. At that time confirmatory monitoring for highest potential jobs will be sampled.
A comprehensive noise monitoring program was done in 1992. The results of this survey can be found in the separate report LAD-LHC #3 92.02. Personal noise dosimetry should be done in 3 years to confirm noise levels unless there is a change which could affect the noise exposures. An area noise survey is planned for 1995 to assess any potential noise changes due to the benzene expansion project.
Other non-routine monitoring has been conducted for refractory ceramic fibers, crystalline silica, mercury, arsine, hexes, and 4-vinyl cyclohexene and results are below exposure guidelines. Monitoring during catalyst change and C-450 maintenance is planned to occur when the jobs are scheduled. Non-routine maintenance jobs will continue to be monitored for benzene compliance.
Monitoring plans and sampling strategy for noise, benzene, 1,3-butadiene, biphenyl, nickel carbonyl, styrene, and DCPD are defined in the Tables below.
Continued on next page
February 9, 1995
Restrictedfor use in The Dow Chemical Company
Page 1 of 4 Do
LAD Industrial Hygiene Plant Manual
LAD-Llght Hydrocarbon III
Industrial Hygiene Monitoring Program
8-hour TWA
Job Description/Area InsL/Electrical Contract Engineer Env. Spec. Lab Supv. Quality Control O.S. Maint. O.S. Lab S.O.S. Office Prof,
TABLE 1: 8-hour TWA Monitoring
Job # Group Code Size
Agents
10 17 13 55 26 14 22 2 05 1 38 1 38 1 42 1 09 2
Benzene/13-Butadiene/DCPD Benzene/1,3-Butadiene Benzene/1,3-Butadiene Benzene/1,3-Butadiene 1,3-Butadiene 1,3-Butadiene 13-Butadiene 13-Butadiene 1,3-Butadiene
# Samples
2-4 6-9 2-4 2-4 2 2
2 2 1
12-hour TWA-Ethylene Side
Job Description/Area Furnace I Opr, Mechanical O.S. Furnace II O.S. Finishing O.S. Board S.O.S. Shift Supervisor
TABLE 2: 12-hour TWA Monitoring
Job # Group Code Size
Agents
38 4 Benzene/13-Butadiene
38 4
13-Butadiene
38 4
13-Butadiene
38 4
13-Butadiene
42 4
13-Butadiene
05 2
13-Butadiene
# Samples
2/4-6 4-6 4-6 4-6
2 2
Continued on next page
February 9,1995
Restrictedfor use in The Dow Chemical Company
Page 2 of 4
DO A 024265 CONFIDENTIAL
LAD Industrial Hygiene Plant Manual
LAD-Light Hydrocarbon III
Industrial Hygiene Monitoring Program
12-hour TWA-Benzene Side
Job Description/Area Extraction,Hydro. O.S. BTX O.S. Blk 58 O.S. Board S.O.S. Shift Supervisor
TABLE 3: 12-hour TWA Monitoring
Job # Group Code Size
Agents
38 4 38 4 38 4 42 4 05 2
Benzene/1,3-Butadiene/DCPD Benzene/1,3-Butadiene/DCPD Benzene/1,3-Butadiene/DCPD Benzene/1,3-Butadiene/DCPD Benzene/1,3-Butadiene/DCPD
# Samples
4-6 4-6 4-6
2 2
12-hour TWA-BJock 110
TABLE 4: 12-hour TWA Monitoring
Job Description/Area
Operations O.S.
Shift Supervisor
Job # Group Code Size
38 5 05 1
Agents
13-Butadiene 13-Butadiene
# Samples
4-6 2
12-hour TWA-Lab
Job Description/Area
Lab O.S.
TABLE 5: 12-hour TWA Monitoring
Job # Group Code Size
Agents
38 4
13-Butadiene
# Samples 2
Continued on next page
February 9, 1995
Restrictedfor use in The Dow Chemical Company
Page 3 of 4
DO A 024266 CONFIDENTIAL.
LAD Industrial Hygiene Plant Manual
LAD-Light Hydrocarbon III
Industrial Hygiene Monitoring Program
STEL/Task
TABLE 6: 15-minute STEL or Task Monitoring
Job Discription/Area Analyzer Specialist Contract-Loader Maintenance Catalyst change Non-Routine Maint.
Job # Group Code Size
Task
10 5 Anal. House Round 38 2 Loading Tank Car
C-450 R-550
Agent
Benzene Biphenyl/Styrene
4-VCH Nickel carbonyl Bz/13-Butadiene
# Samples
2 2-4 1-2 1-2 4-6
Area
TABLE 7: Area Monitoring
Job Discription/Area Benzene Area
Task Equipment Survey
Agent Noise
SAMPLING METHODOLOGY
STEL and/or task monitoring for biphenyl and styrene will be conducted using a 3M 3500 passive badge. Samples will be analyzed by the LAD Environmental laboratory in building 3502E.
Monitoring for 1,3-Butadiene, Benzene and DCPD will be done using the 3M 3520 passive badge. Samples will be analyzed by the LAD Environmental laboiatory in building 3502E.
Monitoring for 4-VCH will be done using a 1 gram charcoal tube with a battery operated pump calibrated at 500 cc's/minute. Samples will be analyzed by the LAD Environmental laboratory in building 3502E.
Monitoring for nickel carbonyl will be conducted using direct-read Drager tube 0.1/a CH 19501.
Noise monitoring will be conducted using Quest #2700 noise meter which will be calibrated both before and after use at 114 dB with a Quest QC-10 calibrator.
Monitoring & Analytical Guide
A monitoring and analytical guide is located in Section 21 of the IH Manual to assist in the selection of specific agent monitoring criteria.
Next Review Date January, 1996
February 9,1995
Restrictedfor use in The Dow Chemical Company
Page 4 of 4
MAIWTHA ROAD
BLK. 58 PLOT PLAN AND FIREWATER AND MONITOR GUN HEADERS
DDV NORTH
a
MGBLK58 t/14/92
GATE tQ
G*TE T
BLKUO 1/14/92
DO A 0 2 4 2 7 0
C O N F ID E N T IA L
LHC-3 ETHYLENE PLANT SIMPLIFIED
i*
DO A 0 2 4 2 7 1 C O N F ID E N T IA L
BENZENE PLANT OVERVIEW
f
DO A 024272 OONFTDFNTT Al.
MLLttN /BI
MEDICAL SURVEILLANCE TESTING
PLANT: /.-M&3
Dow Medical Surveillance Requirements which apply to this plant are: _____B&ii 1&LCH., . _____________________________________________
OSHA Standards which apply to this plant are:
AtJSLj
__________________
Respirator fit testing Is required If yes, how often:
yes
no
Medical surveillance testing for this plant Includes the following:
Core Exam Chemistries * CBC Urinalysis * Hexachlorobenzene (HCB) Audiogram * Chest Xray EKG Pulmonary Function * History Questionnaire * Dr's. Exam Benzene Questionnaire Asbestos Questionnaire Respirator Medical Approval
ANNUALLY ________ _______ , X ______ _ ______ _ X _______ ________ ______ _ X ________ X ______ _ _______
EVERY 2 YEARS
___X.___ _
/ T
PrtOlL AHffit1'--,
X
Exit exam required?
yes ____
Other requirements Include:______________________
Ps/4 ?
/T
^
* Included In Core Exam Updated: I0I9X
Section 14
no _J_
Q<*9/92
00 A 024273 CONFIDENTIAL
Element 3: Exposure Control
This section contains the following documents:
1. Written Asbestos Program 2. Inventory 3. Inspection / Maintenance Program 4. Training Documentation 5. Asbestos Monitoring Report / Data 6. Louisiana Division Requirements for Asbestos Demolition / Renovation Work 7. Notification of Demolition or Renovation (NODAR) / ADVF 8. Louisiana Division Refractory Ceramics Handling Guidelines
Tab 3 March 96
DO A 024274
confidential