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O53-8141
Standard Operating Procedure
Edward S. Babcock & Sons
Date Effective: _____9/27/04____
METHOD #: 8141B
TITLE: Determination Of Organo-Phosphorus Pesticides In Water By Gas Chromatography With A
Nitrogen Phosphorus Detector and GCMS Confirmation
1.0
SCOPE and APPLICATION
1.1
This is a gas chromatographic (GC) method applicable to the determination of organophosphorus pesticides in groundwater samples, sludge and soil samples. The following
compounds can be determined using this method:
Range: Groundwater samples:
4 µg/L - 50µg/L
Solid samples:
1 mg/kg – 3.33 mg/kg
Sludge samples:
3 mg/kg – 10 mg/kg
Table 1
Analyte
CAS #
(Aspon)
Atrazine
(Azinphos-ethyl)
Azinphos-methyl
(Bolstar (Sulprofos))
Carbophenothion
Chlorfenvinphos
Chlorpyrifos
Chlorpyrifos methyl
(Coumaphos)
(Crotoxyphos )
Demeton-O
Demeton-S
Diazinon
(Dichlorofenthion)
(Dichlorvos)
(Dicrotophos)
Dimethoate
(Dioxathion)
Disulfoton
EPN
Ethion
(Ethoprop)
Famphur
(Fenitrothion)
(Fensuffothion)
(Fenthion)
(Fonophos)
(Hexamethyl phosphoramide)
(HMPA)
(Leptophos)
3244-90-4
1912-24-9
2642-71-9
86-50-0
35400-43-2
786-19-6
470-90-6
2921-88-2
5598-13-0
56-72-4
7700-17-6
8065-48-3
8065-48-3
333-41-5
97-17-6
62-73-7
141-66-2
60-51-5
78-34-2
298-04-4
2104-64-5
563-12-2
13194-48-4
52-85-7
122-14-5
115-90-2
55-38-9
944-22-9
680-31-9
21609-90-5