|
Parts
Per Million |
%
of CO
in Air |
Inhalation
Time and Toxic Symptoms Developed |
|
0
- 1 |
.0001
|
Normal
background levels |
|
9 |
.0009
|
Maximum
allowable concentration short term in living area (ASHRAE) |
|
25 |
.0025
|
Maximum
exposure TWO (Time Weighted Average) (ACGIH) in the
workplace
|
|
50 |
.005 |
Maximum
exposure allowed (OSHA) in the workplace |
|
200 |
.02 |
Mild
headache, fatigue, nausea and dizziness |
|
400 |
.04 |
Serious
headache - other symptoms intensify. Life threatening
after 3 hours. |
|
800 |
.08 |
Dizziness,
nausea and convulsions. Unconscious within 2 hours,
dead within 2 to 3 hours. |
|
1600 |
.16 |
Headache,
dizziness and nausea. Death within 1 - 2 hours. |
|
3200 |
.32 |
Headache,
dizziness and nausea. Death within 1 hour. |
|
6400 |
.64 |
Headache,
dizziness and nausea. Death within 25 - 30 minutes. |
|
12,800 |
1.28 |
Death
within 1 - 3 minutes. |
