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U.S. Geological Survey
Fact Sheet 094-01


Table 2. Pesticide compounds analyzed in ground-water samples by the Nevada Department of Agriculture

[Abbreviation: µg/L, micrograms per liter; (*), pesticides detected in ground-water samples]

Pesticide

Estimated detection limit (µg/L)

Maximum contaminant level1
(µg/L)

2,4,5-T

1.5

 

2,4,5-TP

1.5

 

2,4-D

1.5

70

2,4-DB

1.5

 

3-Hydroxycarbofuran

2.0

 

Acifluorfen

1.5

 

Alachlor

.02

 

Aldicarb

1.0

 

Aldicarb Sulfone

2.0

7

Aldicarb Sulfoxide

2.0

7

Atrazine (*)

.07

 

Bentazon (*)

1.5

 

Bromacil (*)

.13

 

Bromoxynil

1.0

 

Carbaryl

2.0

 

Carbofuran

1.5

40

Chlorpropham

.08

 

Chlorpyrifos (*)

.03

 

Cyanazine

.20

 

Dacthal (DCPA) (*)

.02

 

Diazinon (*)

.05

 

Dicamba

1.3

 

Dimethoate

.04

 

Dinoseb

2.0

 

Diuron (*)

.07

 

Disulfoton

2.50

 

Hexazinone

.25

 

Malathion

.04

 

MCPA

1.3

 

MCPB

1.2

 

MCPP

1.3

 

Methidathion

.07

 

Methiocarb

4.0

 

Methomyl

.5

 

Methyl Parathion

.03

 

Metolachlor (*)

.03

 

Metribuzin

.03

 

Oxamyl

2.0

200

Parathion

.04

 

Pendimethalin

.03

 

Picloram

.5

500

Prometon (*)

.03

Under review

Pronamide

.03

 

Propoxur

1.0

 

Simazine (*)

.10

4

Tebuthiuron

.03

 

Trifluralin

.01

 

1 U.S. Environmental Protection Agency, 2000.