Sample no

Sampling at start of program (T₀)

Sampling at end of program (T₆₀)

direct (qual.)

1:10 diluted (qual.)

quan. (ID₅₀)

direct (qual.)

1:10 diluted (qual.)

quan. (ID₅₀)

1

toxic

-

<0.5

toxic

-

<0.5

2

toxic

-

<0.5

toxic

-

<0.5