EU-SICHERHEITSDATENBLATT Dieselkraftstoff ... - Schmierstoffe

ioHCwin half-life (days)
1000000.0
100000.0
10000.0
1000.0
100.0
10.0
1.0
0 5 10 15 20 25 30 35 40
Carbon number
60 d half-life
Figure 13. Half-life predictions for naphthenic mono-aromatic hydrocarbons using the
US EPA model BioHCwin
Hydrocarbon
C nr
BioHCwin
Predicted
Half-Life
(days)
Measured
Seawater
Half-Life
(days)
Measured
Freshwater
Half-Life
(days)
indane 9 2.9 3.2
indane (residuum trimethylalkane) 9 2.9 2.2 2.8
1,2,3,4-tetrahydronaphthalene (tetralin) 10 1.5 2.0 2.4
1-methylindane 10 6.2 3.2
4-methylindane 10 2.9 3.2
5-methylindane 10 2.9 3.2
tetralin 10 1.5 3.2
2-methyltetralin 11 1.0 3.9
5-methyltetralin 11 1.5 3.5
6-methyltetralin 11 1.5 3.2
1,2,3,4-tetrahydro-1-4-
dimethylnaphthalene
12 6.7 6.0 8.2
1,1,6- trimethyl tetralin 13 2.9 3.1 3.0
1,2,3,4,5,6,7,8-octahydrophenanthrene 14 203.6 3.9
2-hexyltetralin 16 3.0 1.9
dehydroabietine 17 892.9 38.0
3- phenyl-bicyclohexyl 18 118.6 23.0
Table 7. Predicted and experimental marine and freshwater half-life values for naphthenic
mono-aromatic hydrocarbons (in bold, structure names for which BioHCwin predicts
half-lives above 60 days)
21