environmental setting, water quality, and ecological indicators of
environmental setting, water quality, and ecological indicators of
environmental setting, water quality, and ecological indicators of
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Appendix 2. Pesticides <strong>and</strong> degradation products analyzed, use, <strong>and</strong> occurrence in ground- <strong>and</strong> surface-<strong>water</strong> samples<br />
from the Mermentau River Basin, southwestern Louisiana, 1998-2001—Continued<br />
Pesticide or degradation product Use<br />
Number <strong>of</strong><br />
samples<br />
collected<br />
Dichlorprop H 29 0 36 0.0<br />
Dieldrin I 29 0 242 .8<br />
Dinoseb H 29 0 36 2.8<br />
Diphenamid H 29 0 36 33.3<br />
Disulfoton I 29 0 242 .0<br />
Diuron H 29 3 36 91.7<br />
EPTC H 29 0 242 11.6<br />
Ethalfluralin H 29 0 242 .0<br />
Ethoprophos I 29 0 242 5.4<br />
Fenuron H 29 0 36 .0<br />
Fipronil I 29 0 192 72.4<br />
Fipronil degradate RPA105048 I, DP 29 0 207 84.1<br />
Fipronil Sulfone I, DP 29 0 207 87.4<br />
Fipronil Sulfide I, DP 29 0 207 88.8<br />
Flumetsulam H 29 3 36 .0<br />
Fluometuron H 29 0 36 5.6<br />
Fon<strong>of</strong>os I 29 0 242 .0<br />
Imazaquin H 29 7 36 8.3<br />
Imazethapyr H 29 0 36 .0<br />
Imidacloprid I 29 0 36 .0<br />
Lindane I 29 0 242 .0<br />
Linuron H 29 0 242 .0<br />
Malathion I 29 3 242 19.4<br />
MCPA H 29 0 36 2.8<br />
MCPB H 29 0 36 .0<br />
Metalaxyl F 29 3 36 38.9<br />
Methiocarb I 29 0 36 .0<br />
Methomyl I 29 0 36 .0<br />
Methomyl oxime I, DP 29 0 36 .0<br />
Methyl-Azinphos I 29 0 242 .0<br />
Methyl-Parathion I 29 0 242 1.2<br />
Metolachlor H 29 7 242 92.6<br />
Metribuzin H 29 3 242 33.1<br />
Metsulfuron methyl H 29 0 36 .0<br />
Molinate H 29 0 242 86.4<br />
Napropamide H 29 0 242 2.1<br />
Neburon H 29 0 36 .0<br />
Nicosulfuron H 29 0 36 .0<br />
Norflurazon H 29 0 36 .0<br />
Oryzalin H 29 0 36 .0<br />
Oxamyl I, DP 29 0 36 .0<br />
52<br />
Ground <strong>water</strong> Surface <strong>water</strong><br />
Samples with<br />
detected<br />
concentrations<br />
(percent)<br />
Number <strong>of</strong><br />
samples<br />
collected<br />
Samples with<br />
detected<br />
concentrations<br />
(percent)