TABLE 20. 
PHYSICAL DATA 
FOR APRIL 1978 CRUISE/EXCURSION 
Station/Site 
Depth* 
(meters) 
Temperature Salinity 
<° C) (Voo) 
Dissolved 
Oxygen 
(parts per 
thousand) 
Buoy Rock 
1 
10.8 
4.4 
10.6 
6 
11.7 
5.2 
10.7 
12 
7.7 
8.1 
10.2 
Spaniard Bar 
1 
12.3 
4.6 
10.3 
5 
12.0 
5.5 
10.3 
10 
12.1 
5.4 
10.2 
Tenneco - effluent 
— 
20 
3 
9.1 
Tenneco - pond 
0.2 
17 
2 
10.1 
Campbell plant 
0.2 
18 
1 
7.0 
Chestertown sewage 
treatment plant 
0.2 
19 
1 
9.4 
TABLE 21. PHYSICAL DATA FOR JULY 1979 CRUISE/EXCURSION 
Station/Site Depth* Temperature pH Salinity Dissolved 
(meters) (° C) (°/oo) Oxygen 
(parts per 
thousand) 
Buoy Rock 
1 
22.6 
6.5 
6.2 
6 
22.5 
6 .6 
6.0 
12 
22.0 
6.6 
6.8 
4.5 
Spaniard Bar 
1 
24.0 
5.6 
7.4 
5 
23.9 
5.6 
7.4 
10 
23.9 
6.1 
5.6 
7.3 
Baltimore Harbor 
1 
23.2 
3.5 
7.9 
2.5 
22.8 
3.5 
8.0 
5 
22.7 
5.2 
3.8 
7.6 
Tilghman Island 
1 
22.5 
8.7 
9.4 
5 
22.6 
8 .8 
9 .6 
10 
22.6 
5.5 
9.1 
9.3 
Tenneco - effluent 
— 
30.0 
9.6 
2.0 
8.4 
Tenneco - pond 
0.2 
24.9 
8.4 
2.0 
>20 
Campbell plant 
0.2 
21.0 
7.2 
2.0 
9.5 
Chestertown sewage 
24.0 
2.0 
A 
treatment plant 
0.2 
7 .6 
9 . 4 
The deepest reading at each point was taken at approximately 
1 m from the bottom. 
92 
