technical guidance documents - Institute for Health and Consumer ...

APPENDIX II
b) Inherent biodegradability
Fate of chemicals that are “inherently biodegradable” in an OECD/EU test: kbiostp = 0.1 hr -1 in
the aqueous phase of activated sludge.
log H
% to air -4 -3 -2 -1 0 1 2 3 4 5
log Kow 0 0 0 0 0 1 10 50 85 91 91
1 0 0 0 0 1 10 50 85 91 91
2 0 0 0 0 1 10 50 85 90 91
3 0 0 0 0 1 9 49 83 88 89
4 0 0 0 0 1 8 41 72 77 77
5 0 0 0 0 0 4 23 45 49 49
6 0 0 0 0 0 1 8 22 26 26
log H
% to water -4 -3 -2 -1 0 1 2 3 4 5
log Kow 0 59 59 59 59 58 52 28 8 5 5
1 59 59 59 59 58 52 28 8 5 5
2 59 59 59 59 58 52 27 8 5 5
3 57 57 57 57 56 50 27 8 5 5
4 48 48 48 48 48 43 24 7 5 4
5 28 28 28 28 27 25 16 5 4 3
6 13 13 13 13 13 13 10 6 4 4
log H
% to sludge -4 -3 -2 -1 0 1 2 3 4 5
log Kow 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 0
2 1 1 1 1 1 1 1 0 0 0
3 4 4 4 4 4 4 3 3 3 3
4 19 19 19 19 19 19 17 16 15 15
5 56 56 56 56 56 55 51 46 45 45
6 83 83 83 83 82 82 78 71 69 68
log H
% degraded -4 -3 -2 -1 0 1 2 3 4 5
log Kow 0 41 41 41 41 41 38 22 7 4 4
1 41 41 41 41 40 38 22 7 4 4
2 41 41 41 41 40 38 22 7 4 4
3 39 39 39 39 39 37 21 6 4 4
4 33 33 33 33 32 31 18 6 4 3
5 17 17 17 17 16 16 10 4 2 2
6 4 4 4 4 4 4 4 2 1 1
log H
% removal -4 -3 -2 -1 0 1 2 3 4 5
log Kow 0 41 41 41 41 42 48 72 92 95 95
1 41 41 41 41 42 48 72 92 95 95
2 41 41 41 41 42 48 73 92 95 95
3 43 43 43 43 44 50 73 92 95 95
4 52 52 52 52 52 57 76 93 95 96
5 72 72 72 72 73 75 84 95 96 97
6 87 87 87 87 87 87 90 94 96 96
280