EU-SICHERHEITSDATENBLATT Dieselkraftstoff ... - Schmierstoffe

ioHCwin half-life (days)
1000.0
100.0
10.0
1.0
0 5 10 15 20 25 30 35 40
Carbon number
60 d half-life
Figure 15. Half-life predictions for di-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)
biphenyl 10 31.0 11.6 2.8
naphthalene 10 5.6 2.1 2.1
1-methylnaphthalene 11 8.9 3.7 2.9
2-methylbiphenyl 11 30.6 3.3
2-methylnaphthalene 11 8.9 3.2
3-methylbiphenyl 11 30.6 3.1
4-methylbiphenyl 11 30.6 3.0
2,7-diisopropyl naphthalene 16 30.5 122.0
6-n-Butyl-2,3-dimethylnaphthalene 16 21.1 3.8
1,1'-biphenyl, 4-pentyl- 17 53.6 3.0
2,3 dimethyl-5(4methylpentyl)
naphthalene 18 33.0 65.0
Table 8. Predicted and experimental marine and freshwater half-life values for diaromatic
hydrocarbons (rows in orange show experimental values above 60 days)
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