1hr standard Noa
C
250C
Mg m3
PV NRT
n
É
Ig
ÉÉI
Mass No
0.10 10 31
Iii
gg
0.10 10 31 m3
latin
P
U
0.10 ppm
asthma
6
4.089 10 mol
6 9146.005
4.089 10
glmo
1.88 10
49
a
0.188mg
Vol 125ms
K 1.11 10 415
Henty
0.651hr
I
x
0 65
air
3600
far
125m3
100mg m3
conc
0.4 Mr
outside air conc
81.25 m3 Nr
air
1.2mgm3
changes
reduce formaldehyde conc to 30mg m3
required rent
rate
4,46
3
10.65 aah
L.MATI
Pollutant 2 emitted
Wind speed u
4
g concentration A
Friend house is
Gaussian model
Guy
c
Ce
4km
eto.si
yQge
C
mfs
o.s
Ggg
L t 4 gg
n
270m
east
house
4 km east
2.0mg m3
east
0
y
9Le
1.5km south
sfE
eostE
E Leo.sc 9teo.sf
0
x1
Fht
EEtions
gD
6714902
X's
4km 1km
894
Oy d x yo
04 156 40.894
9
2 71 4.538 72.497.78 04 538 72m
Q
6,739,697 464m91s
x 106
Y
g
emissiate
stability condition on
a sunny day with 4km
wind speed is classy
Atmospheric
condition a
156
Class B
C 108.2
0 1.098
f L
b
For the friends
because
of
house
the south
E
02
02
xd tf
108.2 41098
497.78
y value
direction
is
2
m
now
1.5
parameter symbol y
1.5
value 15
unit is km
Denton distance
location
upwind
of the house
perpendicular to the
direction
The concentration at friends house
is lower than at my house b k in
the
for my house
the exp value became 1 With 4 0
but because
ye 1.5 this value will
be less than
1
gaussian model