TABLES 
'c 
Number Page 
1 Physical Parameters Measured at Chester River 
Oyster Study Sites . 14 
2 Hydrographic Observations for the Possible Point 
Source Studies . 22 
3 Mortality of Oysters During This Study . 24 
4 Comparison of Mean New Growth in Oysters Planted 
in Chester River. 25 
5 Comparison of Mean Observed Condition Scores in 
Oysters Planted in Chester River . 27 
6 Associated Organisms by Station . 28 
7 Relationship of Nonsurvival to Autopsy Data .... 34 
8 Comparisons between Stations for Characters Related 
to Nonsurvival. 35 
9 Field Sample Handling . 52 
10 Methodology. 53 
11 Effect of Sonication on DBP Extraction by CH-Cl^ 
from Sample "R" .7 . . 62 
12 Comparison of Ultrasonic Extraction Efficiencies 
of Varied Solvents Measured on Working Standard . 64 
13 DEHP Recovery Measurements Using Dichloromethane . . 65 
14 Comparison of Methods for Extraction of Phthalate 
Esters from Chester River, Mouth Sediment, 
Test 1. 68 
15 Test of Varied Extraction and Re-extraction 
Procedures. 68 
Xll 
