Table 2. Lowest fuller's earth concentration causing 100-percent mortality in a 24-hour 
exposure for five estuarine fish. 
Test conditions 
Salinity Temperature 
(°/00) (°C) 
Individuals 
Species Age class 
Concentration g 17! 
fuller’ s earth 
Menhaden 
Menhaden 
Bluefish 
Weak fish 
Weakfish 
Striped Bass 
Croaker 
Table 3. LCy9, LCsq, and LCog values determined for 24-hour exposure of estuarine fish. 
Species Lethal concentration (g 17! fuller's earth) 
White perch 
Spot 1.500 
Bay anchovy 0.982 
Atlantic silverside 1.000 
Mummi chog 1.794 
Striped killifish 
\correlation Coserieienes (r) and Eeeeiienes of aS (r2) aatived from regres- 
sion analyses are presented as statistical estimates of the decimal fraction of mortality 
accounted for by concentration effects. 
