Document a4QmEDQD3b8pnMjRNpbkDe2X9
FILE NAME Kelly Moore KM
DATE 0000 DOC KM023 DOCUMENT DESCRIPTION KM Asbestos Memos
TABLE {
SUMMARY OF AIRBORNE ASBESTOS FIBER COUNTS CALIFORNIA YS CANADIAN ASBESTOS
Sample
ON
Air Sample
Time
Minutes
FIRST TEST SEQUENCE
Canadian Asbestos 7M05
08
26-8 36am
10
8-02
07 04
-B340-82
56am
16
40-9 00am
. 20
07am
17
California Asbestos Calidria HPO
03
04am
.
8
-
8-06
04-9 19am
11
16am
-
02-9 26am
24
Operation Description
Airborne Asbestos
Fiber Concentration
LFE fibers 5m
By Union Carbide
By
Personal sample Operator mixing 4 bags of ceiling spray Contained 5 of Canadian grade 7MD5 asbestos
limestone Calif tale kaolin clay
and polystyrene aggregate Actual handling of asbestos took about
2 minutes Remaindeorf time used in
wetting and mixing
Personal sample Operator during ing of Canadian containing blend
ed for 10 minutes
spray-
Spray-
Personal sample
spray off walls
Helper wiping over-
Area sample In opposite end of house
during spraying of Canadian containing material between operations and the
start al . of the Calidria containing materi-
Personal sample Operator mixing 4 bags
of ceiling spray Contained -4 of
Calidria HPO Other ingredients same as
for sample 08
.
Personal sample Operator spraying texture containing HPO
Operator mixed two bags of HPO based material This operation was not
:
sampled by UCC
Personal sample spray off walls
Helper wiping over-
.
3.2 0.6 11
2.4
Downstream Downstream
area sample
11 during mixi
1.6
0.5
12
0.8 0.4
0.3
12
2.7
0.9 0.5
1.8
25
0.2
25
SECOND TEST SEQUENCE
Canadian Asbestos 7M05
69
35pm
14
89
36-3 12pm
36
100
25-3 16pm
51
California Asbestos Calidria HPO
67
30-1 53pm
23
19 97
53-2 30pm
27
00-2
34
Personal sample Spray operator mixing 12 bags of ceiling spray containing 2.5 Canadian grade 7MD5 asbestos More styrofoam than AM samples Other ingredients the same Actual dumping took 10 minutes
Personal sample Spray operator adjusting
sprayer and spraying second house with ceiling texture containing Canadian asbestos About 27 minutes actual spraying
Personal sample Niper during spraying of
Canadian asbestos containing texture
- Second house
Personal sample Spray operator mixing four bags of ceiling spray containing ~ HPO More styrofoam than AM samples Other ingredients same as 08 Actual dumping
took -3 minutes
Personal sample Operator spraying one
house 18 minutes spraying
Personal sample Wiper during spraying of HPO containing texture First house
1 Samples taken on same operator with separate pumps
Actual sample times varied slightly with LFE times
shown in parenthesis
.
2 Filter operated closed face by mistake
KM 01096
0.8 1.0
0.5
10
0.7
35
22
3.1
6
0.9
0.3
22
0.8
0.6
22
PLAINTIFF'S EXHIBIT
43
TABLE II
|
COMPARISON OF AIRBORNE FIBER SIZE DISTRIBUTION
Operation
Magnification
Fiber Size
Mixing Dry Spray Texture
Canadian Test #
Canadian Test #
California Test # California Test 2
SprayingPaint
Texture Paint Canadian Test #
Canadian Test 2
California Test # California Test 2
Airborne Asbestos Concentration Fibers
LFE Tests
UCC Tests
400X 400X 11000X 1000X
5...
5 1 5 1
5
UCC
Sample
{
2.4
0.5
1.8
1.1
0.5 10.7
1
0.3
ot
{
3.2 110.9
4.3
$ 0.8
1,61
|
1
2.7 15.0
1.5 15.7
oy
4
\
}
rf
1
I
1.0
.6.6 2.6
1.6 1.0
0.9 0.9
7.4
15.5
|
|
3.3
1.8
2.31 2.31
13.5
|
|
2.3
1.3
:
08 69
_
03 67
02 89
05 19
1 Downwind of mixing operation
2 Includes both mixing and spraying
KMX 02006
;
Sample Identification
Spraying Texture Paint
Containing % Canadian
Asbestos .
UCC Sample 02
.
TABL IE
SUMMARY OF FIBER SIZE MEASUREMENTS
Measurements 1 Grids Squares
Fiber Size
Length Diameter
W
8
20
1
0.2
3
0.6
3
0.6
3.5
0.6
4
1
*
4.5
0.3
--
2.3
7
0.3
8
T
9
0.8
+10
0.2
10
1.3
25
0.2
Chrysotile by
Diffraction
Notes
No No No No Yes No
Yes
No.
Tapered
No
No
No
Twisted
No
No
Spraying of Texture Paint Containing 4 California Asbestos
UCC Sample 05
7 20
KMX
0290T
1 Area per square +0.008 mm
Spike from particle
Cluster of fibers 0.1 to 0.2 diameter
1.8 2.3 2.3 4 4
~
0.4
0.3
0.4
0.6 0.6
0.7
10
0.5
20
1.0
25
0.6
2 Spikes from -
.
particle 2
3
0.3
Yes No
Yes
No
No
No
No
Size estimated
no photograph
No
.
14
No
Ran off grid
square No
Yes
No
Tapered
No
Under platelet