Document 4QaL8Yd6e2oRJ4kqdRqX3JKJ1
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PLAINTIFF'S EXHIBIT
MINING AND METALS DIVISION
OMtJofl Cepf to
Mr. Paul A. McDaniel Union Carbide Corporation 270 Park Avenue Hew York, Hew York
?. 0 flux K, KING CITY, CALIFORNIA 93930
Orly/Mliay
Feb. 1, 1967
4***r/JAig btfmf dol
Dear Mr. McDaniel:
Here are the latest series of dust counts. As you may notice, they have decreased from last time. This, I believe is due to high moisture in the product. Personnel were wearing respirators in the bagging room.
Location
End of Bag Conveyor Same as above Bagging Room Same as above Rock Fiber Area Refiner Area Ceneral Mill Same as above Maintenance Bldg. Inside Michigan Loader Car Loading Operation Same as above Blank
PPM
2.6 2.2 3.8 4.2 1.2 1.2 1.3 1.5 1.0 1.1 212 2.1 5
weather: Cloudy, light riin - High Purity Open - High moisture.
Very truly yours.
D. S. Kernens
DSR/Jeb cc; J. A. Riddle '
J. L. Myers
UCC 025088
- <!#-*
INTERNAL correspondence----
MINING AND METALS DIVISION
r.fN.*.) di,iM tpcsimi
p# w. McDaniel HS & EA 22nd Floor Mew York, NY
Copy f#
W. B. DeAtlejc-^^
R. J. Kronkhyte 0. J. Malacarne E. A. Piersall J. C. Settlemoir
P. 0. BOX K. RING cm. CALIFORNIA 93930
Dai* December 21, 1979 Origtaoi!*)0 Dpt* Aruvtrbig htUr 6a\m
PERSONAL AIR SAMPLES TAKEN FOR THE M3NTH OF DECEMBER 1979
Subject
Job Classification
Sampling Time min.
Average
+ 5m/ml
Harry Roof Thomas Moore Clyde Bailey Isabel Flores, Sr.
038 Bagger Operator RG-244 Bagger Operator Press-Dryer Circuit Operator Outside Operator
21-69
60-71
56-87 53-78
1.46 0.74
0.21 O.78
Andy Anderson
Shift Supervisor
59-74
0.33
Adene Andrade
Labor Operator
21-64
1.69
/dm
UCC 025089
12/20/79
Subject: Area: Conditions:
Time 8:57 A.M--
9:35 A.M.
9:36 A.M. - 10:13 A.M.
10:14 A.M. - 10:54 A.M.
10:55 A.M. - 11:35 A.M. 11:36 A.M. - 11:57 A.M. 12:33 P.M. - 1:40 P.M.
1:41 P.M. - 2:50 P.M.
Harry Roof - 038 Bagger Operator
Main Bagging Rocta
1) Full bagging, shrink wrapping, palletizing operation on Super Visbestos.
2) Light forklift traffic.
3) 5 - 10 mph wind from the south all day.
4) Clear to cloudly day, west door open.
5) Upper bagger enclosure partly filled with product from an inspection door being loose.
6) Circuit down due to maintenance repairs.
Work Performed
Circuit down, moved-pallets of SVC around bagging room for double wrap ping.
Average + 5m/ml
O.98
Started circuit; worked around bagging 3.39 room; took a break.
0r
H
Circuit down; vacuumed inside the upper bagger enclosure.
Same as above until 11:15-
2.07
Checked around bagging roam.
1.12
Put plastic bags into drums; moved pallets from tbe east door to the palletizer area.
0.40
Placed SSG press cake in sample drums. 0.54
Total 6 Drums.
Average
1.46
UCC 025090
12/18/79
Subject: Area: Conditions:
Time 9:25 A.M. - 10:25 A.M. 10:26 A.M. - 11:28 A.M. 11:29 A.M. - 12:40 P.M. 1:00 P.M. - 2:03 P.M. 2:03 P.M. - 3:03 P.M.
Thomas Moore - RG-244 Bagger Operator.
SG-244 Bagging Hoorn 1) Pull bagging, shrink wrappping, palletizing
operation on RG-244. 2) North door open, fair day. 3) 5-10 mph wind from south all day. 4) New product return system to Raymond mill. 5) Moved pallets frcsa RG-bagging room to storage
area and took samples to the laboratory.
6) He was wearing a respirator. 7) Bulk" car fill pipe plugged up at 1:50 P.M.
Work Performed
Normal conditions.
""
""
" " " , took break.
Average + 5m/ml.
0.64 0.44 0;67 1.09 0.88
Average
0.74
- UC 025091
; 12/18/79
Area: Conditions:
,
Tine 9:15 A.M. - 10:20A.M. 10:21A.M. - 11:17 A.M.
11:18 A.M. - 12:45 P.M.
12:46 P.M. - 2:09 P.M. 2:10 P.M. - 3:10 P.M.
Clyde Bailey - Press-Dryer Circuit Operator
Press-Dryer Circuit l) Usual mm operating conditions.
2) East/south door closed; 5-10 mph wind from the south all day.
Work Performed Normal conditions.
tl H
" " # lunch for 30 min. Tl II v"
Average + 5m/ml
0.18 0.26
0.14
0.16
0.37
Average
0.21
UCC 025092
12/18/79
Subject: Area: Conditions:
Time
9:42 A.M. - 10:35 A.M. 10:36 A.M. - 11:39 A.M. 11:40 A.M. - 12:46 P.M. 12:47 P.M. - 2:05 P.M. 2:06 P.M. - 3:07 P.M.
Isabel Flores, SR. - Outside Operator
Mill, Mill Ore Loading System
1) Usual mi11 operating conditions.
2) Loaded ore into feed hopper.
3) Worked in EG-244 bagging roaa and took a bulk car sample to laboratory every hour.
4) Bulk car fill pipe plugged causing a pellet dust spill- 5 - 7 aph wind from south.
5) He was wearing a respirator.
Work Performed Normal conditions.
"" " " , changed bulk car.
"" ""
Average + 5m/Ml 0.84 0.6l
1.08
0.71 0.67
Average
0.78
UCC 025093
12/18/79
Subject: Area: Conditions;
t*
Tine 9:32 A.M. - 10:32 A.M. 10:33 A.M. - 11:32 A.M. 11:33 A.M. - 12:37 P.M. 12:38 P.M. - 1:52 P.M. 1:53 P.M. - 3:04 P.M.
Andy Anderson - Shift Supervisor Mill and Office l) Usual mill operating conditions ft 2) He was wearing a respirator as needed. 3) Main circuit down all day.
"Work Performed Hormal conditions.
If ff
n i
Tl 11
Checked bulk car for plugged up, normal conditions..
Average
Average + 5M
0.28
0.24
0.26 0.36
0.47
0.33
- -yCC-03-5094
12/19/79
Subject: Area: Conditions:
Time 9:37 A.M. - 10:30 A.M.
10:47 A.M. - 11:08 A.M. 11:09 A.M. - 11:30 A.M. 11:32 A.M. - 11:59 A.M.
12:33 P.M. - 1:25 P.M.
1:26 P.M. - 2:30 P.M.
3:00 P.M.
3:57 P.M.
Adene Andrade - Labor Operator
Storage and Shipping Area.
1) Usual loading trucks operating conditions.
2) 10-15 mph wind frcm the south in the morn ing and 0-7 mph wind from the south in the afternoon.
3) Cloudy day.
4) She was wearing a respirator as needed.
Work Performed
Filter
Hand loading containers of (25mm) HPEEX with wrapped bags.
Same as above.
(35mm)
Same as above until U:20^ (35mm)
Cleaned up around storage (35mm) area.
Moved bulk car to a pick (35i*m) , up area.
Cleaned up around storage (35mm) area.
Same as above; took
empty
paraplex drums to treasure (35mm)
island.
Average
Average + 5m/ml Too much dirt
4.19 2.06 2.06
0.52
0.94
1.11
1.69
UCC 025095
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