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Scope

1.1 This is a high-performance liquid chromatographic (HPLC) test method applicable to the determination of certain n-methylcarbamoyloximes and n-methylcarbamates in ground water and finished drinking water (1) (also see EPA Method 531.1, Revision 3.0). The following compounds can be determined using this test method:

Chemical Abstract Services Analyte Registry Number A Aldicarb 116-06-3 Aldicarb sulfone 1646-88-4 Aldicarb sulfoxide 1646-87-3 Baygon 114-26-1 Carbaryl 63-25-2 Carbofuran 1563-66-2 3-Hydroxycarbofuran 16655-82-6 Methiocarb 2032-65-7 Methomyl 16752-77-5 Oxamyl 23135-22-0 A Numbering system of Chemical Abstracts, Inc.

1.2 This test method has been validated in a collaborative round-robin study (2) and estimated detection limits (EDLs) have been determined for the analytes listed in 1.1 (Table 1). Observed detection limits may vary between ground waters, depending on the nature of interferences in the sample matrix and the specific instrumentation used.

1.3 This test method is restricted to use by, or under the supervision of, analysts experienced in both the use of liquid chromatography and the interpretation of liquid chromatograms. Each analyst should demonstrate an ability to generate acceptable results with this test method using the procedure described in 12.3.

1.4 When this test method is used to analyze unfamiliar samples for any or all of the analytes listed in 1.1, analyte identifications should be confirmed by at least one additional qualitative technique.

1.5 The values stated in SI units are to be regarded as the standard.

1.6 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Notes 1 and 3. Additional guidance on laboratory safety is available and suitable references for the information are provided (3-5).

Keywords

carbamates; direct aqueous injection; drinking water; HPLC; N-methylcarbamates; N-methylcarbamoyloximes; ICS Number Code 71.080.30 (Organic nitrogen compounds)

To find similar documents by ASTM Volume:

11.02 (Water (II))

To find similar documents by classification:

71.080.30 (Organic nitrogen compounds)

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