TABLE 25 . TIN IN WATER AND SEDIMENT SAMPLES _ 
ug/ml or pg/g for samples taken in 
Station/Site 
Type of 
Sample 
April 1978 
July 1979 
Mean 
Standard 
Mean 
Standard 
error 
error 
Buoy Rock 
Water 
<0.002 
— 
<0.002 
— 
Sediment 
1.574 
0.180 
7.882t 
0.088 
Spaniard Bar 
Water 
0.240 
0.007 
<0.002 
— 
Sediment 
9.686 
0.420 
3.061| 
0.187 
Baltimore 
Water 
<0.002 
— 
Harbor 
Sediment 
239.633* 
14.073 
Tilghman 
Water 
<0.002 
— 
Island 
Sediment 
0.8615 
0.052 
Tenneco - 
Water 
0.034 
0.002 
0.052 
0.002 
effluent 
Tenneco - 
Water 
0.103 
0.005 
0.023 
0.001 
pond 
Sediment 
0.043 
0.081 
3.523;j; 
0.046 
Campbell 
Water 
0.032 
0.001 
<0.002 
— 
plant 
Sediment 
1.583 
0.131 
3.876;j; 
0.028 
Chestertown 
Water 
0.002 
— 
0.152 
0.028 
sewage 
treatment 
plant 
Sediment 
2.857 
0.060 
5.178t, 
t 0.028 
*, + , t, §. Sediment samples values with identical superscripts 
were nbt significantly different at the 5 percent confidence 
level. 
97 
