Document OKXL7jr2koD3MwXnQjzEmVvj
FILE NAME: Union Carbide (UC)
DATE: 1968 Jan 3
DOC#: UC107
DOCUMENT DESCRIPTION: Internal Letter to Paul. W. McDaniel, Medical Dept. Dust Count Results
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NTERNALCORRESPONDENCE
CHEM ICALS AND PLA STICS
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Paul W. McDaniel Medical Dept.
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L. F. Crow
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J. L. Myers
J. A. Riddle
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P. 0. BOX K, KINC Cil Y, CALIFORNIA 93930
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January 3, 1968
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Dear Mr. McDaniel:
Enclosed ere duet particle counts taken on December 29, 1967. It should be noted that the entire bagging area has been enclosed and Is a "NO SMOKING OR EATING" area. All personnel working in this area are required to wear respirators.
Weather: Gentle wind from the south west, fair, 55, high purity
open being bagged. There are still plans for reduction of dust in this area.
sample
59 Bagging room
comment
Large quantities of visible dust Doors closed, personnel wearing respirators.
KPFF 1.1,7
47 Bagging room 24 Lab
Same as above
Routine work being performed, fume hoods in operation
12.5 2.3
26 Lab
Same as above
3.0
93 Rock Fiber Circuit
Normal Operation
3.7
.
69 Refiner Circuit
Normal Operation
3.8
65 Office Building
These were taken due to south
2.1
wind blowing
71 Maintenance Building Same as above
2.1
68 North Parking Lot
Dryer exhaust in this direction
4.4
D. S. Ramena
UCC 004970a
CA L--14
INTERNAL. CORRESPONDENCE
CHEM ICALS AND PLA STICS
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P. W. McDaniel Medical Dept, 4-202 270 Park Avenue New York
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D. F.
Dexter Crow
P. 0. BOX K, KING CITY, CALIFORNIA 93930,
d *, December 13, 1968
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Dear Paul:
I 'm sorry we didn't get a chance to talk about your dust count results before you left, Enclosed is a set Kamens took yesterday. They are generally within the' present limit except in the bagging area, reflecting the fact that we discontinued dumping floor sweepings off the truck dock. Effective 12/11/$$ floor sweepings will be wet down before they are taken out of the bagging area. This should eliminate this source of airborne dust.
We will require respirators on personnel hand stacking at the end of the bag conveyor, based on the test results.
We will proceed to design and install a wet system for returning cleanup material from the bagging area to the head end of the circuit. This should reduce dust counts throughout the plant.
Please let me know if you have any other recommendations for improvement.
J. A. Riddle
JAR/cg end.
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UCC 004970c