| Ratings
|
96 h LC
50
|
| 4
|
Highly
toxic
|
less than 1
mg/l
|
| 3
|
Moderately
toxic
|
1-10 mg/l
|
| 2
|
Slightly
toxic
|
10-100 mg/l
|
| 1
|
Practically
non-toxic
|
100/1000 mg/l
|
| 0
|
Non-hazardous
|
greater than 1000
mg/l
|
| D
|
Substance likely to blanket the sea-bed
|
| BOD
|
Substance with
biochemical oxygen demand
|