Document G6LMmRNw3rJakDVOYELGaYYMv
April 3, 1990
Ashcraft & Gerel 2000 L Street N.W. Washington, D.C. 20036
LAW ASSOCIATES, INC.
materials and asbestos consultants
114 TOWNPAHK DRIVE* KENNESAW, GA 30144 POST OPFICE BOX 566068 * ATLANTA. GA 30356 (404) 499-6600 FACSIMILE (404) 499-6660
PLAINTIFF'S EXHIBIT
AB-202
Attention: Subject: Re:
Mr. Peter T. Enslein, Esquire Pratchenko v. Abex Corporation, et al. Law Associates, Inc. Project Number 1190-2031-00
Gentlemen:
Law Associates has completed the field and analytical services necessary for our investigation of the subject case as it relates to the DC-3 aircraft. Attached is our report containing visual observations made, and dust samples collected during a site visit to the Chesapeake Airways Services Corporation in Salisbury, Maryland on January 31, 1990.
If you have any questions concerning this report or if we may be of further service, please do not hesitate to contact me.
Sincerely,
Martin R. Bennett Asbestos Specialist
MRB:gij
90-203 l.ltr
RECEIVED APR it 1990
BACKGROUND
Law Associates was retained by the Law firm of Ashcraft and Gerel to provide technical support and expert testimony in the case of Pratchenko v. Abex Corporation et. al. It is our understanding that the plaintiff in this case died as a result of occupational exposure to asbestos.
Given the plaintiffs occupation (aircraft mechanic) an effort was made to yield an indication of the probability of his exposure to asbestiform minerals from the aircraft he typically serviced. The DC-3 was identified by Ashcraft & Gerel as one such aircraft in which asbestos exposure to the plaintiff was probable due to the asbestos-containing brake shoes found in the landing gear.
To evaluate this exposure potential, a DC-3 brake assembly was sought and located at the Chesapeake Airways Service Corp. (CASC)in Salisbury, Maryland. Arrangements were made with the owner of CASC, Mr. Sam Goldman to extract the interior brake assembly from a tire taken off a DC-3.
OBSERVATIONS
The disassembly of the wheel and the removal of the brake was performed by an employee of CASC who was provided with protective clothing and appropriate respiratory protection. When the brake assembly was lifted from the tire, Mr. Goldman identified the brake as representing BF Goodrich's latest configuration (a Hayes design), he also noted a lack of wear on the surface of the tire. Based on this observation, Mr. Goldman stated that the tire was relatively new and that there was a good chance that the brake assembly would haven been blown out, and cleaned when the tire was installed. In summary, Mr. Goldman stated that it was his opinion that the unit (brake assembly, wheel and tire) had seen a limited amount of use - approximately 5 hours or less, or roughly 2 landings, hence the lack of large accumulations of black dust typically observed with normal wear.
RESULTS
A small amount of suspect asbestos-containing dust was observed during the removal of the brake from the tire despite the units limited use.
In order to yield an indication of the relationship between the plaintiffs work environment and exposure to asbestos, settled dust samples were collected from various surfaces of the landing gear (see table 1). These samples were collected and analyzed using the EPA's Draft surface sampling protocol entitled: Standard Test Method for Sampling and Analysis of Dust for Asbestos Structures bv Transmission Electron Microscopy (see appendices).
Analysis of samples #1 and #3 indicate asbestos fiber concentrations within the brake assembly ranging from 3.5 billion to 8.1 billion asbestos structures per square foot. A third sample was collected from the dust which spilt out onto the surface of the tire following the removal of the brake assembly. Analysis of this dust yielded a concentration of 12.7 million asbestos structures per square foot.
-'n!
RECEIVED APR A 1390
A
Dust Samples Analyzed by TEM
Project Number 1190-2031-00
Samnle # 1 2 3
Location Interior of Brake Drum On tire surface Inside lip of dust cover
Area SamDied Asbestos Cone. (Structures/ft 2)
9" x 1.5"
8.09 x 10 9
5" x 5"
1.27 x 10 7
6" x .5"
3.53 x 10 9
Table I
A
APPENDIX A TEM ASBESTOS ANALYSIS REPORT
PROJECT NUMBER 1190-2031-00
A
MATERIALS ANALYTICAL ** SERVICES
March 8, 1990
Mr. Martin Bennett Law Associates 114 Town Park Drive Kennesaw, GA 30144
RE: Pratchenko
Dear Martin: Enclosed are the TEM analyses for the dust samples that we
received at our facility on February 15, 1990. The samples were labeled: 1-3. Should you have any questions regarding the analyses, please
call us at your earliest convenience.
Sincerely,
WEL:rw Enc. Ref: M4287 cc: Mr. Peter Enslein
William E. Longo, Ph.D. President
3597 Parkway Lane Suite 250 Norcross, Georgia 30092
(404) 448-3200
Chai n-of-Custody PRATCHENKO
Law Associates'Job #1190-2031-00
DATE SAMPLE(S) TAKEN: Transfer Requested by. Transfer to:
1-31-90 Martin Bennett Materials Analytical Services
Field Collection - Dust Samples: # 1 Dust from the interior of the brake drum; 9'x 1.5' #2 Dust which spilt out on the side of the tire after removing the brake assembly; 5' x 5' #3 Dust from the inside lip of the brake assembly dust cover; 6" x 1/2'
Transferred by: Date:
90-2031.dust
A
Materials Analytical Services Inc. 3597 Parkway Lane, Suite 250 Norcross, Georgia 30092 (404) 448-3200
TEM ASBESTOS ANALYSIS REPORT
Client Sample ID: MAS Log Number: Sample Received: Sample Due Date: Type Analysis: Microscopist: Reviewed By: Client Proj/ref:
LAW/KENNESAW 1 M4287-1 2-15-90 3-06-90
Dus':
**
Sample Area Filter Type: Filter Area: Grid Openings: Grids Examined: Avg Area of Grid: Tot Area Examined: Magnification: Dilution Factor:
0.094 sq
47MM 1.34E+009 10 2 6707 67070 25000X 1:1000
ft
Area Examined
Structures
< 5 urn
>= 5 urn
< 5 um
>= 5 um
No. No. No. NO.
Free Chrysotile Fibers: of Chrysotile Bundles: of Chrysotile Clusters: of Chrysotile Matrices:
17 5 0
10
2 3.623E+09 4.262E+08 0 1.066E+09 0.000E+00 0 0.00OE+00 0.000E+00 4 2.131E+09 8.524E+08
NO. No. NO. No.
Free Amphibole Fibers: of Amphibole Bundles: of Amphibole Clusters: of Amphibole Matrices:
0 0 0 0
0 0.000E+00 0.000E+00 0 0.000E+00 0.000E+00 0 0.000E+00 0.000E+00 0 0.000E+00 0.000E+00
Total Asbestos Structures/l sq ft (All)
: 8.098E+09
Total Asbestos Structures/l sq ft (>= 5 um) : 1.279E+09
Comments: **CLIENT REFERENCE: 1190-2031-00
* The Detection Limit is calculated on the probability of analyzing one asbestos fiber or structure in the total area examined.
* 0.000 display = Below Detection Limit
Materials Analytical Services Inc
Page: 1
Client Sample ID: MAS Log Number: Sample Received: Sample Due Date:
LAW/KENNESAW 1 M4287-1 2-15-90 3-06-90
Sample Area Filter Type: Filter Area: Grid Openings: Grids Examined: Avg Area of Grid: Tot Area Examined:
Magnification: Dilution Factor:
0.094 sq ft 47MM 1.34E+009 10 2 6707 67070 25000X 1:1000
Structure ffbfcfm
Length Microns
Width
.
Microns
1 1-1 2 3 4 5 6 7 8 9 10 11 1-2 12 13 14 15 1-3 16 17 1-4 18 19 1-5 20 21 22 2-1 23 24 2-2 25 26 2-3 27 28
29 30 31 2-4
32 33 34 2-5 35
c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c
m
5.50
2.40
f
1.60
0.10
f
2.30
0.10
m
2.50
1.00
m
4.00
3.00
m
1.60
0.40
f
1.80
0.10
m
1.60
1.50
m
2.40
1.80
b
4.00
0.40
b
1.60
0.30
f
1.70
0.10
b
2.00
0.30
f
6.00
0.10
f
3.50
0.10
f
1.50
0.10
f
0.50
0.10
f
0.70
0.10
f
3.70
0.10
f
2.50
0.10
b
2.20
0.25
m
3.00
2, 50
f
4.00
0, 10
m
6.00
4, 00
f
1.40
0, 05
m
4.50
2.40
m
6.00
3.00
f
0.80
0.10
m
2.40
0.70
f
2.00
0.10
f
1.10
0.05
m
1.50
1, 00
m
10.00
3 , 50
f
11.50
0.10
f
2.00
0.10
Materials Analytical Services Inc.
Page: 2
Client
LAW/KENNESAW
Sample ID:
1
MAS Log Number: M4287-1
Sample Received: 2-15-90
Sample Due Date: 3-06-90
Type Analysis: ,,, DUST
/] ,,
Microscopist:
Reviewed By: 'Z.
Client Proj/ref: **
Sample Area Filter Type: Filter Area: Grid Openings: Grids Examined: Avg Area of Grid: Tot Area Examined Magnification: Dilution Factor:
0.094 sq ft 47MM 1.34E+009 10 2 6707 67070 25000X 1:1000
Strc. Grid Op
Type c, a
Structure f,b,c,m
Length Microns
Width Microns
36
c
m
1.80
0.60
37
c
f
2.30
0.10
38
c
b
1.00
0.20
Materials Analytical Services Inc.
3597 Parkway Lane, Suite 250 Norcross, Georgia 30092 (404) 448-3200
TEM ASBESTOS ANALYSIS REPORT
Client
LAW/KENNESAW
Sample ID:
2
MAS Log Number: M4287-2
Sample Received: 2-15-90
Sample Due Date: 3-06-90
Type Analysis:
DUST
Microscopist: ______
Reviewed By:
Client Proj/ref: **
Sample Area Filter Type: Filter Area: Grid Openings: Grids Examined: Avg Area of Grid: Tot Area Examined: Magnification: Dilution Factor:
0.174 sq ft 47MM 1.34E+009 10 2 8056 80560 25000X 1:33
Area Examined
Structures
< 5 umi
>= 5 um
< 5 um
>= 5 um
No. No. No. No.
Free Chrysotile Fibers: of Chrysotile Bundles: of Chrysotile Clusters: of Chrysotile Matrices:
0 l 0 3
0 0.000E+00 0.000E+00 0 3.183E+06 0.000E+00 0 0.000E+00 0.000E+00 0 9.550E+06 0.OOOE+OO
No. No. No. No.
Free Araphibole Fibers: of Amphibole Bundles: of Amphibole Clusters: of Amphibole Matrices:
0 0 0 0
0 0.000E+00 0.000E+00 0 0.O00E+00 0.000E+00 0 0.000E+00 0.000E+00 0 0.000E+00 0.000E+00
Total Asbestos Structures/1 sq ft (All)
: 1.273E+07
Total Asbestos Structures/1 sq ft (>= 5 um): 0.000E+00
Comments:
* The Detection Limit is calculated on the probability of analyzing one asbestos fiber or structure in the total area examined.
* 0.000 display = Below Detection Limit
Materials Analytical Services Inc.
Page:
Client
LAW/KENNESAW
Sample ID:
2
MAS Log Number: M4287-2
Sample Received: 2-15-90
Sample Due Date: 3-06-90
Type Analysis:
DUST . ,
Microscopist:
Reviewed By: /ft Client Proj/ref: ** '
Sample Area Filter Type: Filter Area: Grid Openings: Grids Examined: Avg Area of Grid: Tot Area Examined: Magnification: Dilution Factor:
0.174 sq ft 47MM 1.34E+009 10 2 8056 80560 25000X 1:33
Strc. Grid Op
Type c, a
Structure f,b,c,m
Length Microns
Width Microns
1 1-4 2 1-5 3 2-1 4 2-2
c c c c
b
2.00
0.25
m
2.50
1.25
m
2.00
1.50
m
4.00
2.00
Materials Analytical Services Inc. 3597 Parkway Lane, Suite 250 Norcross, Georgia 30092 (404) 448-3200
TEM ASBESTOS ANALYSIS REPORT
Client Sample ID: MAS Log Number: Sample Received: Sample Due Date: Type Analysis: Microscopist: / Reviewed By: Client Proj/ref:
LAW/KENNESAW 3 M4287-3 2-15-90 3-06-90
**
Sample Area Filter Type: Filter Area: Grid Openings: Grids Examined: Avg Area of Grid: Tot Area Examined: Magnification: Dilution Factor:
0.021 sq ft 47MM 1.34E+009 10 2 8144 81440 25000X 1:100
Area Examined
Structures
< 5 um
>= 5 um
< 5 um
>= 5 um
No. No. No. No.
Free Chrysotile Fibers: of Chrysotile Bundles: of Chrysotile Clusters: of Chrysotile Matrices:
13 1 0
18
0 1.019E+09 0. OOOE+OO 0 7.835E+07 0.000E+00 0 0.000E+00 0.OOOE+OO 13 1.410E+09 1.019E+09
No. No. No. No.
Free Amphibole Fibers: of Amphibole Bundles: of Amphibole Clusters: of Amphibole Matrices:
0 0 0 0
0 0.000E+00 0.000E+00 0 0.000E+00 0.OOOE+OO 0 0.000E+00 0.000E+00 0 0.000E+00 0.OOOE+OO
Total Asbestos Structures/1 sq ft (All)
: 3.526E+09
Total Asbestos Structures/1 sq ft (>= 5 um): 1.019E+09
Comments: **CLIENT REFERENCE: 1190-2031-00
* The Detection Limit is calculated on the probability of analyzing one asbestos fiber or structure in the total area examined.
* 0.000 display = Below Detection Limit
Materials Analytical Services Inc.
Page: 1
Client
LAW/KENNESAW
Sample ID:
3
MAS Log Number: M4287-3
Sample Received: 2-15-90
Sample Due Date: 3-06-90
Type Analysis:
Microscopist:
Reviewed By:
Client Proj/ref: **
Sample Area Filter Type: Filter Area: Grid Openings: Grids Examined: Avg Area of Grid: Tot Area Examined Magnification: Dilution Factor:
0.021 sq ft 47MM 1.34E+009 10 2 8144 81440 25000X 1:100
Strc. Grid Op
Type c, a
Structure f,b,c,m
Length Microns
Width Microns
l 1-1 2 3 4 5 6 1-2 7 8 9 10 11 1-3 12 13 14 15 1-4 16 17 18 1-5 19 20 21 22 23 24 2-1 25 26 27 2-2 28 29 30
31 2-3 32 33 34 35 2-4
c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c
m
3.50
2.00
m
2.50
0.35
m
8.00
4.50
m
2.50
2.00
b
3.75
0.25
m
2.00
2.00
m
7.00
1.00
m
0.85
0.20
m
2.50
0.50
m
5.75
1.00
m
17.00
4.00
m
2.00
1.50
f
1.50
0.08
f
3.75
0.05
m
3.75
2.00
m
3.00
2.00
m
6.00
1.75
f
2.00
0.10
m
1.00
0.50
m
3.00
1.25
m
4.00
1.75
m
4.00
3.75
f
2.00
0.10
f
2.25
0.12
f
0.75
0.08
f
1.00
0.05
m
5.00
4.50
m
4.50
2.00
m
6.00
3.00
m
6.00
4.00
m
2.00
0.25
f
1.50
0.18
m
4.50
2.00
f
1.00
0.08
f
1.25
0.08
-4
Materials Analytical Services Inc.
Page: 2
Client Sample ID: MAS Log Number: Sample Received: Sample Due Date: Type Analysis: Microscopist: Reviewed By: Client Proj/ref:
LAW/KENNESAW 3 M4287-3 2-15-90 3-06-90 DUST__--
**
Sample Area Filter Type: Filter Area: Grid Openings: Grids Examined: Avg Area of Grid: Tot Area Examined: Magnification: Dilution Factor:
0.021 sq ft 47MM 1.34E+009 10 2 8144 81440 25000X 1:100
Strc. Grid Op
Type c, a
Structure f,b,c,m
Length Microns
Width Microns
36 37 38 39 40 2-5 41 42 43 44 45
c c c c c c c c c c
m
4.00
3.50
m
6.00
4.00
m
6.00
5.00
f
2.50
0.08
f
1.00
0.10
m
3.00
2.75
m
7.50
4.00
m
12.00
4.00
f
1.25
0.08
m
5.00
4.00
APPENDIX B EPA DRAFT SURFACE SAMPLING PROTOCOL
A