Table 2. Number of sites sampled, detections, and nondetections of organic compounds in the Rio Grande/Río Bravo Basin
|
Organic compound |
No. of sites |
Detections |
Nondetections |
|
Organic compound |
No. of sites |
Detections |
Nondetections |
|
|
|
|
|
|
|
|
|
|
|
|
|
Acenaphthylene |
25 |
0 |
99 |
|
2-Chlorophenol |
24 |
0 |
99 |
|
|
Acrylonitrile |
25 |
0 |
86 |
|
2-Nitrophenol |
24 |
0 |
99 |
|
|
Anthracene |
21 |
0 |
94 |
|
di (n-octyl)
Phthalate |
24 |
0 |
99 |
|
|
Benzo(b)fluoranthene |
25 |
0 |
100 |
|
2,4-Dichlorophenol |
24 |
1 |
96 |
|
|
Benzene |
25 |
0 |
96 |
|
2,4,-Dimethylphenol |
24 |
0 |
98 |
|
|
Benzo(k)fluoranthene |
25 |
0 |
100 |
|
2,4-Dinitrotoluene |
24 |
0 |
99 |
|
|
Benzo(a)pyrene |
25 |
0 |
99 |
|
2,4-Dinitrophenol |
24 |
0 |
99 |
|
|
beta Benzene hexachloride |
25 |
0 |
6 |
|
2,4,6-Trichlorophenol |
24 |
0 |
97 |
|
|
bis(Chloromethyl)ether |
5 |
0 |
6 |
|
2,6-Dinitrotoluene |
24 |
0 |
98 |
|
|
delta Benzene hexachloride |
6 |
0 |
6 |
|
3,3-Dichlorobenzidine |
24 |
0 |
99 |
|
|
bis(2-Chloroethyl)ether |
6 |
0 |
99 |
|
4-Bromophenyl
phenyl ether |
24 |
0 |
97 |
|
|
bis(2-Chloroethoxy)methane |
25 |
0 |
100 |
|
4-Chlorophenyl
phenyl ether |
24 |
0 |
99 |
|
|
bis(2-Chloroisopropyl)ether |
25 |
0 |
100 |
|
4-Nitrophenol |
24 |
0 |
99 |
|
|
Bromoform |
25 |
0 |
96 |
|
Phenol (C6H5OH) |
24 |
0 |
99 |
|
|
n-butyl Benzyl phthalate |
25 |
0 |
100 |
|
trans-1,3-Dichloropropene |
23 |
0 |
92 |
|
|
Carbon tetrachloride |
25 |
0 |
97 |
|
cis-1,3-Dichloropropene |
23 |
0 |
93 |
|
|
Chlorobenzene |
25 |
2 |
94 |
|
PCP
(pentachlorophenol) |
45 |
0 |
176 |
|
|
Chlorodibromomethane |
25 |
0 |
96 |
|
Chlordane
nonachlor, trans isomer |
28 |
0 |
63 |
|
|
Chloroethane |
25 |
1 |
94 |
|
alpha
Benzene hexachloride |
46 |
0 |
161 |
|
|
Chloroform |
25 |
16 |
90 |
|
bis(2-Ethylhexyl)phthalate |
40 |
15 |
142 |
|
|
Chrysene |
25 |
0 |
100 |
|
di (n-butyl)
Phthalate |
39 |
4 |
150 |
|
|
Dichlorobromomethane |
24 |
0 |
93 |
|
Pentachlorobenzene |
20 |
0 |
63 |
|
|
Dichlorodifluoromethane |
6 |
0 |
6 |
|
Benzidine |
23 |
0 |
92 |
|
|
Diethyl phthalate |
25 |
0 |
100 |
|
Polychlorinated
naphthalenes |
4 |
0 |
6 |
|
|
Dimethyl phthalate |
25 |
0 |
96 |
|
p,p'-DDT |
32 |
1 |
66 |
|
|
1,2-Diphenylhydrazine |
24 |
0 |
91 |
|
o,p'-DDT |
28 |
0 |
63 |
|
|
Endosulfan sulfate |
28 |
0 |
119 |
|
p,p'-DDD |
32 |
0 |
68 |
|
|
Endosulfan, beta |
6 |
0 |
6 |
|
o,p'-DDD |
28 |
0 |
62 |
|
|
Endosulfan, alpha |
6 |
0 |
6 |
|
p,p'-DDE |
32 |
24 |
44 |
|
|
Endrin aldehyde |
6 |
0 |
6 |
|
o,p'-DDE |
28 |
0 |
63 |
|
|
Ethylbenzene |
25 |
1 |
95 |
|
Chlordane |
59 |
23 |
271 |
|
|
Fluoranthene |
25 |
0 |
100 |
|
Endosulfan |
22 |
0 |
94 |
|
|
Fluorene |
25 |
0 |
99 |
|
Heptachlor
epoxide |
60 |
0 |
294 |
|
|
Hexachlorocyclopentadiene |
25 |
0 |
99 |
|
Methoxychlor |
60 |
0 |
299 |
|
|
Hexachloroethane |
25 |
0 |
100 |
|
PCB-1221 |
25 |
0 |
90 |
|
|
Indeno (1,2,3-cd) pyrene |
25 |
0 |
100 |
|
PCB-1232 |
25 |
0 |
90 |
|
|
Isophorone |
25 |
0 |
100 |
|
PCB-1242 |
25 |
0 |
90 |
|
|
Methylene chloride |
25 |
18 |
78 |
|
PCB-1248 |
25 |
0 |
90 |
|
|
N-Nitrosodi-n-propylamine |
25 |
0 |
100 |
|
Arochlor
1254 |
25 |
0 |
90 |
|
|
N-Nitrosodiphenylamine |
25 |
0 |
100 |
|
PCB-1260 |
25 |
0 |
90 |
|
|
Methyl bromide |
6 |
0 |
6 |
|
PCB-1016 |
25 |
0 |
90 |
|
|
Methyl chloride |
6 |
0 |
6 |
|
PCBs |
55 |
29 |
197 |
|
|
N-Nitrosodimethylamine |
24 |
0 |
92 |
|
Guthion |
23 |
0 |
78 |
|
|
Naphthalene |
25 |
0 |
100 |
|
Methyl
parathion |
42 |
0 |
173 |
|
|
Nitrobenzene |
25 |
0 |
100 |
|
Atrazine |
5 |
0 |
5 |
|
|
Parachlorometa cresol |
22 |
0 |
75 |
|
Hexachlorobenzene |
45 |
0 |
171 |
|
|
Phenanthrene |
21 |
0 |
94 |
|
Hexachlorobutadiene |
24 |
0 |
99 |
|
|
Pyrene dry |
25 |
0 |
100 |
|
2,4-D |
45 |
0 |
178 |
|
|
Tetrachloroethylene |
24 |
2 |
92 |
|
2,4,5-T |
42 |
0 |
173 |
|
|
Toluene |
25 |
26 |
81 |
|
Silvex |
51 |
0 |
200 |
|
|
Trichloroethylene |
24 |
0 |
92 |
|
Lindane |
60 |
0 |
304 |
|
|
Vinyl chloride |
25 |
0 |
95 |
|
Xylene |
24 |
0 |
95 |
|
|
1,1-Dichloroethane |
24 |
0 |
95 |
|
Hexachlorophene |
19 |
0 |
56 |
|
|
Trichlorofluoromethane |
6 |
0 |
6 |
|
N-Nitrosodi-n-butylamine |
19 |
0 |
56 |
|
|
1,1-Dichloroethylene |
23 |
0 |
87 |
|
Styrene |
5 |
0 |
5 |
|
|
1,1,1-Trichloroethane |
24 |
0 |
94 |
|
2,4,5-Trichlorophenol |
20 |
0 |
66 |
|
|
1,1,2-Trichloroethane |
24 |
0 |
94 |
|
Mirex |
23 |
0 |
68 |
|
|
1,1,2,2-Tetrachloroethane |
24 |
1 |
92 |
|
Dursban |
23 |
0 |
80 |
|
|
Benzo(g,h,i)perylene
1,1,2-benzoperylene |
24 |
0 |
99 |
|
Sevin |
15 |
0 |
27 |
|
|
Benzo(a)anthracene
1,2-benzanthracene |
24 |
0 |
99 |
|
Anthracene
and phenanthrene |
5 |
0 |
5 |
|
|
1,2-Dichloroethane |
24 |
0 |
95 |
|
Demeton |
15 |
0 |
37 |
|
|
1,2-Dichlorobenzene |
24 |
0 |
99 |
|
Bromomethane |
21 |
0 |
90 |
|
|
1,2-Dichloropropane |
24 |
0 |
94 |
|
1,2-Dibromoethane |
21 |
0 |
77 |
|
|
trans-1,2-Dichloroethene |
22 |
0 |
88 |
|
Cresol |
20 |
9 |
73 |
|
|
1,2,4-Trichlorobenzene |
24 |
0 |
96 |
|
N-Nitrosodiethylamine |
19 |
0 |
56 |
|
|
1,2,5,6-Dibenzanthracene |
24 |
0 |
99 |
|
Pyridine |
19 |
0 |
58 |
|
|
1,3-Dichlorobenzene |
24 |
0 |
99 |
|
1,2,4,5-Tetrachlorobenzene |
19 |
0 |
56 |
|
|
1,4-Dichlorobenzene |
24 |
0 |
99 |
|
Chloromethane |
21 |
0 |
89 |
|
|
2-Chloroethyl vinyl ether |
21 |
0 |
89 |
|
Chlorfenvinphos |
5 |
0 |
5 |
|
|
2-Chloronaphthalene |
24 |
0 |
99 |
|
Chlorothalonil |
5 |
0 |
5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Detections |
|
|
|
|
|
|
|
|
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