|
Formaldehyde
concentration
|
Human response
|
International standard
|
|
0.03ppm
|
General outdoor
environment value
|
|
|
0.08 ppm
|
Tasteless, no sensation
for the human
|
|
|
0.1 ppm
|
Standard recommended value
|
Limiting value of ASHRAE, ANSI,
EPA, NIOSH for STEL residence,
the recommended value
from Taiwan Environmental
Protection Administration.
|
|
0.15~0.25 ppm
|
Breathing for a long time
may easily cause the allergies
on children’s skin.
|
|
|
0.25~0.3 ppm
|
It may cause the symptoms
of asthma, allergies, cough , etc
|
|
|
0.5 ppm
|
It may cause abnormal
immune function
and oncogenic risk.
|
Limiting value of
OSHA for workplace
|
|
0.75 ppm
|
It may cause Chromosomal
abnormalities and affecting
fertility, and cause cancer easily.
|
Limiting value of OSHA
and TWA for workplace
|
|
>2.0ppm
|
It may cause cancer
and chronic respiratory disease.
|
Limiting value of OSHA
and TWA for workplace
|
