STATISTICS AND RESULTS

 Biological Results of the Test Item

The following values were determined:

Table 7.1-a Biological Results of the Test Item

Parameter Value
95%-confidence-interval
   NOEC (Growth Rate) 72 h < 1.0 mg/L
not determinable
   NOEC (Yield) 72 h < 1.0 mg/L
not determinable
   LOEC (Growth Rate) 72 h 1.0 mg/L
not determinable
   LOEC (Yield) 72 h 1.0 mg/L
not determinable
   72h ErC50 10 – 100 mg/L
not determinable
   72h EyC50 < 1.0 mg/L
not determinable

Biological Results of the Reference Study

The results for the last study with the positive control K2Cr2O7 are presented in the following table. The study was performed under GLP conditions.

Table 7.3-a Biological Results of K2Cr2O7

Parameter Value 95%-confidence- interval
Range of interlaboratory test (EU C.3)
   72h ErC50 0.99 mg/L 0.94 – 1.1 mg/L
0.60 – 1.03 mg/L
   72h EyC50 0.55 mg/L 0.52 – 0.58 mg/L none stated