Table 4.7
(continued)
Pollutant
Number of samples/number
of detection
Range of
detections
Mean of
detections
Median of
detections
Number of samples/number
of detection
Range of
detections
N-Nitrosodiphenylamine 3/2
<10–<10
<10
1/0
Phenol
3/2
<10–39
<24
1/0
2-Nitropheno1
3/2
<10–<10
<10
1/0
Dichlorobromomethane
3/1
<10
1/0
Bis(2-ethylhexyl)
phthalate
3/3
<10–<10
<10
<10
1/0
Butylbenzy1 phthalate
3/3
<10–<19
13
<10
1/0
Di-n-buty1 phthalate
3/3
<10–<10
<10
<10
1/0
Di-n-octy1 phthalate
3/3
<10
1/0
Benzo(a) pyrene
3/1
<10–<10
<10
<10
1/0
Benzo(b)
fluoranthene
3/2
<10
1/0
Anthracene
3/3
<10
1/0
Fluorine
3/3
<10–<10
<10
<10
1/0
Pyrene
3/1
<10–<10
<10
<10
1/0
Tetrachloroethylene
3/1
<10
1/0
Toluene
3/3
<10
1/0
Trichloroethylene
3/3
<10–<10
<10
<10
1/0
Machining,
flow¼ 0.32 L/S
Pesticides
4,4-DDO
3/1
<10
1/0
Heptachlor
3/1
<10
1/0
Alpha-BHC
3/2
<10–<10
<10
1/0
Source: [6]
a
Interference present
128
O. S. Amuda et al.