CHM 111L
The standard limit for 24 hour exposure to PM10 is 150
m/m3 . If the air on a certain day is measuring at 60
m/m3 , would it be considered a health risk if you were outside for a day?
no, because the concentration is below the standard limit
Flag question: Question 9
Question 91 pts
Which value represents the smallest amount?
Group of answer choices
0.06%
6 x 10-3 %
600 ppb
6 ppm