Environmental Engineering Reference
In-Depth Information
1.50
Pan 1 - Control
Pan 2 - Biostimulation
Pan 3 - Bioaugmentation
1.25
1.00
0.75
0.50
0.25
0.00
0
2
4
6
8
10
12
14
16
Time (study months)
Figure 7.31
Normalized concentrations of PAH removal in troughs.
Table 7.18
PAH Reduction in Trough 3 by Individual Homologue as Well as Total
PAH and Total BaP TEQ
Contaminant
[Initial]
6 months
12 months
16 months
Naphthalene (two ring)
14
64%
100%
100%
2-Methylnaphthalene (two ring)
33
78%
82%
100%
Acenaphthylene
14
68%
100%
100%
Acenaphthene (three ring)
685
90%
99%
100%
Fluorene (three ring)
782
92%
95%
97%
Phenanthrene (three ring)
2172
88%
95%
97%
Anthracene (three ring)
941
25%
60%
72%
Fluoranthene (four ring)
1288
33%
89%
92%
Pyrene (four ring)
744
NR
82%
84%
Chrysene (four ring)
a
190
NR
74%
78%
Benzo(a)anthracene (four ring)
a
175
11%
82%
85%
Benzo(b)fluoranthene (five ring)
a
61
NR
NR
NR
Benzo(k)fluoranthene (five ring)
a
56
NR
NR
NR
Benzo(a)pyrene (five ring)
a
46
NR
NR
NR
Indeno(1,2,3-c,d)pyrene
a
22
NR
NR
NR
Dibenzo(a,h) anthracene
a
4
100%
NR
NR
Benzo(g,h,i)perylene
12
NR
NR
NR
Total PAH
7239
50%
84%
87%
Note:
NR = no reduction.
a
Indicates a BaP toxic equivalent compound.
