1 74

0.8 *—

ee

0.9

TAM - |

0.7 }—

0.6 }—

TAM -2

MAX

0.5 -—

1

SO,, ppm

MAX

0.4

90

0.1

S02, ppm

0.8

50.

{
4

[

8

|

\2

HOUR, CST

16

|

20

|

24

0

|

4

|

8

12

“HOUR, CST

|

i6

Fig, 186.—Selected percentile curves relating SO, concentration with time at TAMStations 1-4

20

24

Select target paragraph3