The US EPA method 502.1 is an analytical method that uses a purge & trap device for sample prep and a gas chromatograph equipped with a packed column to perform the separation of the volaile halogenated components found in a 5 mL sample of drinking or rawsource water. To detect the GC eluant, a Hall detecor is used.

5021K-1 contains one ampule each of CLPV-A, 5022-B, 5021-C and 5021-D (all analytes at 200µg/mL.) 
Catalog#: 5021K-1

5021K-2 contains one ampule each of CLPV-AH, 5022-BH, 5021-CH and 5021-DH (all analytes at 2000µg/mL.) 
Catalog#: 5021K-2

5022K-3 contains one ampule each of 5021-A and 5022-BH (all analytes at 2000µg/mL.) 
Catalog#: 5022K-3

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