TABLE 2 - Cont'd,

Texas, Houston

a
xe

Collection
Period

1958

mc sr7°/as2

May

0037 % 0,01

June

Oe7i % 0.02

July
Aug. 1-Sept. 8

0038 2 0.02
067 2 0.03

0062 2 0.02
0,48 # 0,02
0.61 2 0.02

0061 4 0.02

Cumulative
mc sr90/ni=

0.38 2 0.01

5

1.55

1,08 @ 0,32

7

2410

1.63 * 0.52

oe

1694,

202k ¢ 0052

2

belly

September

October
November

December

*

Values extrapolated to midpoint of collection period,

~16-

Select target paragraph3