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TABLE XIV
ASBESTOS CONCENTRATION BY OPERATION*, 1969
Average asbestos fiber level
Work practice itl
Asbestos cement
n Asbestos cement
in Asbestos cement
H Asbestos cement
Cutting calcium sili cate, block, pipe #1
Cutting calcium sili cate, block & pipe it2
Cutting calcium sili cate block & pipe
Environmental conditions
Personal
Area Samples
Samples
Distanc
Fibers/ml Fibers/ml
from Sour
High ceiling room, Louvre venting
2.4
.45
Low ceiling room. Poor ventilation
2.6 - -
Access tunnel
6.1
Power house. Low Ceiling, poor ventilation
Table and hand saws, in power house ~ open
3.9 1.2
2.5 3-5T "* --
Same - in Industrial building. Good ventilation.
4.1 .
--
Apartment house boiler room. No ventilation. Work 3"-18" from breathing zone.
11.5
---
Cutting calcium silicate block & pipe #4
Limited ventilation
9.4 1.6
3-41
Spraying insulation
Turbines in power plant -- very high celling, good ventilation.
47.7 19.5
3'
28.0 6f
Fibers/ml >5^1 in length
Notea:
1. Conditionj usually variable: Cement mixed dry - applied wet; rapid changes in
local ventilation; composition of material may vary; number of men on job may vary.
2. Average of counts (excluding spray Insulation):>5 fibers./ml = 64.5%;
5-12 fibers/ml = 25.5%; )7l2 fibers/ml = 10.0%.
^
3. Information prepared by Reitze, Nicholson, and Holaday. }
UCC 008811
A 0 4 0 7;
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-> `
INSULATOR/PAINTERS
-
i YEAR -
MANDATORY SAFETY TRAINING
T. G# BURNSIDE H. F. CHASE I. B. DERRICK F. L. HOLBERT R. H. KNIGHT W. E. MICKLES F. T. MORRISON C. A. PAULEY R. E. SAYRE '
R. L. TUCKER J. L. VATEN
TRAINER
S.
/ --
BASIC SAFETY
RULES CONFINED SPACE ENTRY MASTER TAG LOCK OUT PROCEDURE VAPOR CLOUD RELEASE
MANLIFT LICENSE
ASBESTOS BREATHING PROTECTION
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UCC 008812
UCC 008813