a
No 30 min-IC50 values could be calculated. Samples for which a 30 min IC20 value could be determined at the highest tested concentration were considered toxic.
b
Classification of toxic samples has been made according to Method EPS 1/RM/42 guideline 1, Environment Canada, 2002. Toxic sample was marginally toxic.
c
Samples were classified as toxic if mortality in sample is higher than 20%.
d
Samples were classified as toxic if growth inhibition in a sample is higher than 20% compared to the control.
e
Samples were classified as toxic according to ISO 13829:2000.
f
Samples were classified as showing a positive response if a bio-TEQ at EC20 could be calculated.
g
Not determined.