Table 7. Physical-chemical characteristics and categories of land use for detected compounds and compounds reported to be used but never detected.
[Reported land use: A, agricultural land use; F, forestry land use; U, urban land use; –, data not available]
| Compound |
Reported
land use |
Log
sorption
coefficient
(Koc) |
Half-life
in soil
(days) |
| Detected compounds
|
| Fungicide |
| cis-Propiconazole |
A, U |
2.81 |
110 |
| trans-Propiconazole |
A, U |
2.81 |
110 |
| Herbicide |
| 2,4-D |
A, F |
1.68 |
2 |
| 2,4-DB |
– |
2.64 |
5 |
| Alachlor |
A, U |
2.23 |
20 |
| Atrazine 1 |
A, F |
2.00 |
146 |
| Bentazon |
A |
1.54 |
35 |
| Dicamba |
A, U |
-3.66 |
28 |
| Dinoseb |
– |
1.48 |
30 |
| Diphenamid |
– |
2.32 |
30 |
| Diuron |
A, F, U |
2.60 |
372 |
| Fluometuron |
– |
2.00 |
85 |
| Glyphosate |
A, F, U |
4.38 |
47 |
| Hexazinone 1 |
A, F |
1.73 |
90 |
| Imazapyr |
F |
2.00 |
90 |
| Metolachlor |
A |
2.30 |
90 |
| Metsulfuron methyl |
F, U |
1.78 |
40 |
| Nicosulfuron |
– |
1.48 |
21 |
| Picloram |
– |
1.20 |
90 |
| Prometon |
– |
2.54 |
932 |
| Pronamide |
– |
2.90 |
60 |
| Siduron |
– |
2.62 |
90 |
| Simazine |
A |
2.11 |
91 |
| Sulfometuron-methyl 1 |
F, U |
1.89 |
20 |
| Sum 2,4-D and 2,4-D ME |
A, F |
1.68 |
2 |
| Tebuthiuron |
– |
1.90 |
360 |
| Triclopyr |
A, F, U |
1.30 |
46 |
| Trifluralin |
A, U |
4.14 |
169 |
| Insecticide |
| Chlorpyrifos |
A |
3.78 |
30 |
| Carbaryl 1 |
A, U |
2.36 |
17 |
| Cypermethrin 1 |
U |
5.00 |
30 |
| Diazinon 1 |
A, U |
3.00 |
40 |
| Fipronil |
U |
2.90 |
660 |
| HCH (gamma) Lindane |
– |
4.38 |
47 |
| Imidacloprid |
U |
2.41 |
120 |
| Malathion |
A, U |
3.26 |
1 |
| Propoxur |
– |
1.48 |
30 |
| Metabolite |
| 1-Naphthol |
A, U |
2.85 |
1 |
| AMPA1 |
F, U |
3.96 |
120 |
| CIAT 1 |
A, F |
3.78 |
170 |
| Desulfinylfipronil |
– |
|
660 |
| OIET |
A, F |
2.85 |
30 |
| Human waste indicator |
| Caffeine1 |
– |
| |
| Compounds reported to be used but never detected |
| Fungicide |
| Chlorothalonil |
U |
3.20 |
30 |
| Herbicide |
| Bromoxynil |
A |
1.90 |
7 |
| Butylate |
A |
2.60 |
13 |
| Clopyralid |
A, F |
0.78 |
40 |
| EPTC |
A |
2.30 |
7 |
| Imazaquin |
U |
1.30 |
60 |
| MCPA |
A, F, U |
1.87 |
25 |
| Metribuzin |
A |
1.72 |
172 |
| Napropamide |
A |
2.85 |
70 |
| Norflurazon |
A |
2.55 |
130 |
| Oryzalin |
A, U |
2.78 |
20 |
| Pendimethalin |
A, U |
4.13 |
1,300 |
| Propizamide |
A |
2.81 |
110 |
| Terbacil |
A |
1.74 |
120 |
| Insecticide |
| Bendiocarb |
U |
2.76 |
5 |
| Disulfoton |
A |
2.78 |
30 |
| Ethoprop |
A |
1.85 |
25 |
| Fonofos |
A |
2.94 |
40 |
| Methomyl |
A |
1.86 |
30 |
| Oxamyl |
A |
1.40 |
4 |
| Parathion |
A |
3.70 |
14 |
| Permethrin |
A, U |
5.00 |
30 |
| Phorate |
A |
3.00 |
60 |
| Propargite |
A |
3.60 |
56 |
| Terbufos |
A |
2.70 |
5 |
|
First posted May 30, 2012
Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge. |
U.S. Department of the Interior |
U.S. Geological Survey