Document o93zgyVoQDKYdbBwOv9xB1578
FILE NAME: Asbestos Cement Pipe and Sheet (ACPS) DATE: 1972 July 20 DOC#: ACPS016 DOCUMENT DESCRIPTION: Unpublished Report - Pipe Fabrication
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Env. ' .entai
Uenver GHQ Ju ly 20, 1972
Control
Departiaen ~
PIPE FABRICATION
Date
Operation
Count F/ce
Pi
4/10/72
Power Machining
0-6
(1)
0.4
3/9/72 (2)
Power Machining
28.0 24.0
3/17/72 u;
4/10/72
3/9/72
3/17/72
4/10/72 3/9/72 3/17/72
Power Machining Manual Machinincr Manual Machining Manual Machining Hand Rasping Hand Rasping Hand Rasping
1.2 4.1
0-4
1.2
0.4
13.7 3.6
20.0
2.5 3-3 2-5
1-6 1.2
8.2 20.0
2.5
MTB004042
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pe Size 1? 1
II >1
II ll
II H II
1 M H
II
II
M tl
6*' 8"
6" 3 "
Comments
Sampled inside walkway - strong draft blowing away from operator.
Sampled outside - mo de ra te to strong drafts present - Frequent swirling winds contaminated area Short sample time - not representative of the average concentration.
Sufficient sampling time.
Sampled inside walkvray - Strong draft blowing away from operator.
Same as item #2
S a m e ' a s i t e m #3
Same as item #1 Sa me as it e m #2 Sa me as i t e m #3
PRODUCED JM - 83
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PIPS Page
July
FABRICATION 2
20, 1972
Date 4/10/72
Operation Skil Saw
3/9/72
Skil Saw
4/10/72 3/9/72 3/17/72 3/9/72 3/9/72
Hammer & Chisel (Tapping for Sewer
Saddle)
Hammer & Chisel (Tapping for Sewer
Saddle)
Hammer s Chisel (Tapping for Sewer
Saddle)
Power Cutting with Carbide Tip Blade
Hand Sawing
MT8004043
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Count F/cc 4.1 2.9 4.5
123.0 129.0
9 6.0 1.2
19.0
2.5
6.9 5.5 9.9 3.3
Pipe Size 4" 6" 8" 4'1 6" 8" 8"
8"
8"
4" 6 " ,8U 4"
Comments Same as item #1 Same as item # 2 Same as i t e m #1 S a m e as itera #2 S a m e as i t e m '#3 Same as item #2 Same as item #2
PRODUCED
JM - 83