Country |
Compound |
Conc. (µg/l) |
Comments |
Ref. |
Denmark |
NP
OP |
< 0.1 – 0.29
< 0.1 |
Two lakes and three streams without or
with low sewage effluent outlets |
(2) |
Denmark |
NP |
< 0.05 – 0.100 |
Conc. in large streams in DK |
(156) |
England and Wales |
NP
OP
NP
OP |
< 0.2 – 180
< 1
< 0.03 – 5.2
< 0.01 - 13 |
Six rivers. Highest conc. found in a
highly industrialised river with inputs of surfactants form textile industry.
Four estuaries
OP detected only at one site |
(152) |
Germany |
NP
OP |
0.001 – 0.221
0.0004 – 0.0036 |
Water samples from Elbe river and its
tributaries |
(157) |
Germany |
NP
OP |
< 0.010 – 0.485
<0.010 – 0.189 |
23 samples from five streams and rivers |
(158) |
Germany |
NP
OP |
0.0067 – 0.134 |
N = 31 (detected in all samples) |
(138) |
Netherlands |
NP
OP |
< 0.11 – 4.1
< 0.05 – 6.3 |
N = 97; - generally below the LOD for
most surface water samples |
(6) |
Switzerland |
NP |
0.3 - 45 |
One river. Only one result was above 10
µg/l but 84 % were higher than 1 |
(155) |
Spain |
NP |
0.15 - 644 |
2 rivers (downstream sites). Also
detected at 18 – 51 µg/l upstream. |
(14) |
Canada |
NP
OP |
< 0.01 – 0.92
< 0.005 – 0.084 |
N = 35. Both compounds were detected in
24 % of the water samples (especially in heavily industrialised and urbanised areas |
(159) |
USA |
NP |
< 0.11 – 0.64 |
30 rivers. Detected in 30 % of the
samples. |
(160) |