334
v. S. Petrosyan
Table 14.5. Pollution of the Tirrenian sea waters with some of the organic contaminants (l1g rl)
No. of stations
Organics
Alkanes
2.60
3
0.84
13
0.61
15
0.69
19
0.74
22
0.23
24
0.93
31
0.49
33
0.49
a OBP: dibutylphthalate.
b OEHP: di(ethyl)hexylphthalate.
, OAP: dialkylphthalates.
5
4.5
4
,
en 3.5
3c
3
.2 2.5
~ c 2
QI
v
c
8
Squalene
DBP'
0.40
3.80
0.41
0.45
0.12
0.08
0.43
0.14
0.16
0.09
0.11
0.05
0.13
0.14
0.13
0.09
0.08
0.09
33
DEHPb
DAP'
0.32
4.70
0.31
0.83
0.22
0.33
0.51
0.73
0.15
0.26
0.07
0.13
0.13
0.38
0.09
0.18
0.09
0.18
Dialkylphthalates (total content)
DEHP
Fig. 14.14. The concentrations of organic contaminants in the Tirrenian Sea waters
It is evident from the results of Table 14.6 that the data obtained with two different
standards are quite different: the values in the last column (which are in our opinion
more reliable) are 7-8 times higher than the figures from the middle column.