Document B51y9eGED3rdR3ok91kpLdG2m
TO
J.W. Goetsch
D.P. O'Keefe
( ml'LD PO;Nl Ci LOr'I. . Dt.DG NO
I DATE TMif I 2/1/78
Toxic Dust Monitoring Results
Results for toxic dust and mist samples.col 1ected during October, 1977 were received on 1/31/78.
Twenty-two samples were submitted to the Brecksville Environmental Laboratory in mid-December for analysis of various toxic heavy metals. These samples represented several areas of concern in our compounding operations, specifically:
. Potential hexavalent chromium exposure to mill operators - source: misting from strip tanks.
. Contamination potential of water fountain in mixing area vs stairwell.
. Toxic dust exposure of weighmen.
Conclusions
1. When operating in accordance with established procedures, there is no indication of excessive exposure potential to hexavalent chromium from misting in the strip tank area. Procedures call for the use of chromate containing, refrigerated water for some flexible compounds and clarified water (no chromates) for other flexibles and all rigids. Earlier results suggesting a chromium exposure problem were collected while chromate containing water was inadvertantly used during a rigid compound run. Heating of this water created misting.
2. The stairwell is a more acceptable location for the water fountain. Some cleaning frequency should be established to prevent accumulation of toxic materials. The water fountain was moved in December per OSHA's recommendations.
3. Results In the weighing area reinforce OSHA's monitoring results.
Results
Hexavalent Chromiurn
Six stationary and breathing zone samples were collected under various operating conditions In the strip tank area. All results were less than 2/jg/m^. The
proposed NIOSH limits for this type of chromium is 2$
.
T 0 0 I6 I9 Z
467.
43
toxic dust monitoring results Page 2:
Water Fountain Contamination
The water fountain location in the mixing area was monitored for airborne 1ead.,
cadmium, and antimony contamination on seven occasions. Results for the 6 to 7
hour samples were:
mg/nr
DATE
LEAD
CADMIUM
ANTIMONY
10/5/77 10/6/77 10/10/77 10/12/77 10/13/77 10/18/77 10/26/77
0.118 0.109 0.095 0.160 0.099 0.012 0.101
<*C 03
V
<.01 0.09 0.123 0.158 0.1*16 0.012 0.102
Note: These results are also an indication of ambient conditions in the general mixing area to which mixing techs are exposed.
The stairwell was monitored on 6 occasions as an alternative location for the
water fountain. Results:
mg/m3
DATE
LEAD
CADMIUM
ANTIMONY
10/5/77 10/6/77 10/12/77 10/13/77 10/18/77 10/26/77
0.033 0.015 0.030 0.011 0.02*4 0.037
<, 003
<.012 0.021 0.018 <.015 <.012 0.036
Weighmen Exposures
1 On 20/7/77, D.D. Price was monitored while weighing the following toxic materials: $-76, S-10, F-16. His 6 hour TWA results were:
Lead Cadmium Antimony
- 0.725 mg/m3 - <.004 mg/m3 - 1.383 mg/m^
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BFG46744
toxic dust monitoring results Page 3'
2. On 10/2*/77> J.G. Geary was monitored while weighing S-3 and $-10. His 5i hour
TWA results were:
_ _____
Lead "y 1 -377 Cadmium' -<.003 mg/m^ Antimony -<.027 mg/m^
3. On 10/25/77, B.E. Hoffman was monitored while weighing S-67 and F-l6. His 6 hr. TWA resu1ts were:
Lead
- 0,119 mg/m^
Cadmium - <.003 mg/m3
Antimony- 0.02*1 mg/m^
Note: Current 0SHA limits are:
Lead
-
Cadmium -
Antimony -
0,2 mg/rrr 0.2 mg/m^
0.5 mg/m^
Future Plans* 1 2 3
Our dust monitoring program is being revised to shift the emphasis from total dust monitoring to specific toxic dust monitoring. This change will result in a shift of the analytical responsibilities from our lab to the Brecksville lab. So that we do not create an over-burdensome workload for the Brecksville environmental staff, we must carefully plan our sampling program. As a starting point, I offer the following proposa1:
1. Monitor each weighing and mixing tech once under maximum potential exposure conditions. This will require scheduling by your department.
2. During each of these sampling periods, observe general work habits of each employee.
3. Repeat above monitoring to evaluate effect of control measures and/or training.
Items 1 and 2 will help to identify if our assumption,that much of our problem is work practice related, is accurate or not. Item 3 will indicate if we are attacking the right problems.
We would like to initiate this program (steps 1 and 2) by mid-February. Please advise.
C O 0I6T 9?:
Dennis P. O'Keefe DPOK/re
cc: K.L. Blanton W.A. Reed D.A. Piel C.D. Eisenhart H. Waltemate - Cleveland J.A. Klupar - Cleveland E.B. Katzenmeyer, Jr. - T.S. Bialke - Akron P.M. Zakriski - Brecksville
BFG46745
D. P. 01 Keefe
FROM
J. A. Wall brown
SUBJECT
f.
^ C /.
onFIELO POINT
OEPT. S, BLOG. NO.
Pedricktown
FIELD POINT OR DEPT. S. BLOG. NO.
Brecksville R & D Center, D/8506
J&L f-k
L/v-A
ATE voun LETTER
DATE THIS LETTER
January 13, 1978
We received from you 2 separate sets of samples. One set of 6 filters' for hexavalent chrome. The other set consisting of 18 filters to be analyzed for lead, cadmium andy^^ antimony.
These samples were given Log # 1977"201 and were analyzed by atomic absorption spectrophotometer.
Following are your sample descriptions and results reported in micrograms.
Set #1
Sample
1 2 3 4 5 6
Sample Date
10-17-77 10-17-77 10-20-77 10-20-77 10-21-77 10-24-77
1.0.
Mill operator Strip tank Strip tank Mi 11 operator Strip tank Strip tank
Time (min)
330 330 360 360 445 330
Flow (LPM)
1.43 1.48 1-17 0.97 1.31 1.81
Hexavalent Cr Microqrams
<1 <1 <1 <1 <1 <1
Set n
Sample & Date
1 10-05-77 2 10-05-77
3 10-06-77 4 10-06-77 5 10-07-77 7 10-10-77
8 10-12-77
9 10-12-77 10 10-13-77 11 10-13-77 12 10-18-77 13 10-18-77 14 10-25-77 16 10-26-77
17 10-26-77 18 10-24-77
1.D.
Water fountain Stairwel1
Water fountain Stairwel1 Weighman Water fountain
Stairwel1 Water Fountain
Stairwel1 Water Fountain
Stairwel1 Water fountain
Weighman Stairwel1 Water fountain Weighman
Time (min)
360 360
435 435 360 420
290 290 310 310 390 390
390 420 420 330
Flow (LPM)
<4 2. ?h -P-g.
O. ^ Cd pg
1.62 . 1.48.
S'*
*v
68.72 \ 17.82 -cVt
<.2
1.66
78.91
1.55 / 10.18 ,
1.54. 1.60
402 63.64 **4
2.04
17.82
2.74* 127.27
1.54 1.66
5.09 50.91
1.38 1.59 1.54.. <4 1.63
12.73 7.64
71.27 25.45
1.26 1.59
53.45 722.9
1.3?
Sb uq
<7 <7
68
14
766.6 82.4
* '
10.8 125.4 JO
<7 75.2
<7 7.2
14.3 25
53.7 <14.3
a ?:3*C 7 71 U'HO us
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Results of OSHA Parallel Dust Sampling In Compound
The Brecksvflle lab has analyzed the samples we collected (n parallel to the samples OSHA collected on 8/4/77 in our compound plant. Per our request, they analyzed for both lead and cadmium. Results are attached.
Please note that 1 have corrected the lead results to the 8hr. TWA as OSHA Indicated they will do.
The current OSHA standard for lead Is 0.2 mg/m3 for 8 hr. TWA. Wltft a method accuracy of 20%, they will Issue citations for any value exceeding 0.24 mg/m^.
It will be Interesting to see how OSHA's results compare to ours.
T o o c e is z
7 71 L' M0 USA
BFG46747
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Donald A. Pi el JoAnn Wa11 brown C. E. Titus
SUBJECT
PicLD P'JINT OP OEPT. 6k 61,DQ NO.
Pedricktown. New Jersey
ClELO PO'NT OR DEPT. &. BLDQ. NO.
Brecksv? 1 le.__Ohlo_
Pb Samples - OSHA Duplicates Log Number 126 August 19, 1977
CA'rt vOUH LcTTHR
OATS THIS LETTER
-Aug..23 1977
Below are listed the results of samples that we received on August 10, 1977. Please note samples number 2 and 4 re: Pb concentrat ion.
Avg. Flow
Rate
Sample
1/min.
Total Flow Time min.
Sample Volume Liters
Sample Volume cu meters
Pb Cone. mq/nr
Cd Cone.
3 mq/nr
Comments
2
3 4 5 Blank
1.29 1.43
1.15 1.55
460
593.4
0.593
0.16
<0.001
6" 1 ine
457
653.51
0.654
<0.03
<0.001
9" 1 ine
433
497.95
0.498
0.32
<0.001
6" 1 ine
431
668.05
0.668
<0.03
0.007
9" 1 i ne
i am also attaching copy of list of compounds you originally sent to us.
i would like to compliment you regarding the complete information that was sent to this laboratory -- in connection with sample preparation filter type and expected range of concentration.
& < .02.7
200C6T92
Attachment
cc: P. H. Zakriski D. -01 Keg+o R and D Files
S-'M35S-C !. 74 LIIHO U>4
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COMPOUND #1 - 6" line Aristowax 165
BFGOODRICH PEDRICKTOWN PLANT
COMPOUND n - 6" line
Dythal - Dibasic Lead Phthalate Calcined Clay Antimony Oxide Aristowax 165 - Paraffin wax
COMPOUND #3 - 6" 1Ine
Dythal - Dibasic Lead Carbonate Calcined Clay - Aluminum Silicate Aristowax 165 - Paraffin wax
COMPOUND 4 - 9" line
Abson Resin (820X13) - Acrylonitrile/Butadiene/Styrene Copolymer Goodrite Resin (230X36) Thermolite 310 - Organutin - M & T Chemical Inc. Omya,lite 90-T - Calcium Carbonate Ti-Pure 960 - Titanium Dioxide Lemon Yellow 610 - Contains Cadmium Sulfide Orange 640 - Contains Cadmium Sulfide Cadmium Selenide
Black V-320 - Copper Chrome Black Calcium Stearate Kaydol BT-90 - White mineral oil
COMPANY CONFIDENTIAL
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FGoodricti
INTER-ORGANIZATION CORRESPONDE
TO D. P. O'Keefe
TOM
_______ M. Zakriski
SUBJECT
FIELD POINT OR DOT. & BLDG. NO. Pedricktown FIELD POINT OR DOT. & BLDG. NO.
Brecksville R & D Center, D/8506
DATE YOUR LETTER
DATE THIS LETTER November 5, 1981 NOV 12 198'
GC/MS Analysis of Carbon Tube Samples from Warehouse Distributor Center, Area 5443
Wayne Meyers requested that we determine which chemicals are interfering with the vinyl chloride analysis from personnel monitorings in the warehouse area (area 5443). The chromatogram submitted by him shows materials eluting before vinyl chloride. When these materials are substantially more abundant than vinyl chloride they severely overlap the vinyl chloride window and interfere with*the measurement. We sought to identify these materials.
The gas chromatographic-mass spectroscopic analysis does show the presence of vinyl chloride. However, vinyl chloride is not the dominant substance in the critical region (VC1 window) of the chromatogram. There are several hydrocarbons dominating, e.g. butane, butene and hexane. It is very likely that the C* hydrocarbons, butane and butene are responsible for the observed interference with the vinyl chloride separation. If this interference continues to be a problem I suggest operating the GC column at a lower temperature to improve the separation of components.
I am enclosing, a copy of the mass spectroscopic work for your future use. If there are any questions regarding the mass spectroscopy please contact Ed Harris.
jb
cc: R. E. Harris R. P. Lattimer/J B. Pausch Er' ICaUenuisyur, Jr.R*& D Files
aj)
Paul M. Zakriski Corporate Environmental Service
Log # 173-81
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3PG-956-C 2/77 L i T H O USA
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