Table 1 Comparison of acute aquatic toxicity and microbial toxicity point-of-departure values for PSOA, PAA and TBHP
Species | Peracid chemistry | |||||
|---|---|---|---|---|---|---|
PSOA | PAAa | TBHPb | ||||
NOEC (mg/L) | LC50/EC50 (mg/L) | NOEC (mg/L) | LC50/EC50 (mg/L) | NOEC (mg/L) | LC50/EC50 (mg/L) | |
Oncorhynchus mykiss (96-h) | 0.25 (N = 1) | 0.75 (N = 1) | 0.16–1.5 (N = 4) | 0.91–2 (N = 4) | 29.8 (N = 1) | 29.61–56.88 (N = 2) |
Daphnia magna (48-h) | 1.28 (N = 1) | 3.05 (N = 1) | 0.035–<1 (N = 7) | 0.035–1.1 (N = 7) | 7 (N = 1) | 14.1 (N = 1) |
Pseudokirchneriella subcapitata (72-h growth rate) | 1.66 (N = 1) | 5.44 (N = 1) | 0.084 (N = 1) | 0.035–0.86 (N = 2) | 0.22 (N = 1) | 1.5 (N = 1) |
Pseudokirchneriella subcapitata (72-h yield) | 1.66 (N = 1) | 2.56 (N = 1) | <1 (N = 1) | <1 (N = 1) | 0.22 (N = 1) | 0.8 (N = 1) |
Activated sludge (3-h) | 20 (N = 1) | 216 (N = 1) | 16.7 (N = 1) | 5.1–38.6 (N = 2) | Not reported | 17 (N = 1)c |