Quistadrilus multisetosus
Freshwater species. (ref. ID; 7006)
[ref. ID; 7006]
Test system
96-hr acute lethal bioassay
Strains
Worms were sieved (0.5 mm mesh) from sediment (Piscataway Creek, Md.) collected by means of Ponar grabs or dip nets.
Toxicants
3CdSO4/8H2O, HgCl2, 2,3,4,5,6-Pentacholophenate, and black liquor.
Test design
Petri dishes (3.5 cm diameter and 1 cm depth). Loading densities <0.5 g/L. 24-hr solution replacement. 3 replicates. Dark.
Experimental condition
Temperature (1, 10, 20 degrees C), pH (6, 7, 8), salinity (0, 5 ppt).
Measurements/observations
Mortality.
Evaluations
LC50.