EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66207 2,2',3,3',4,4',5,6,6'-Nonachlorobiphenyl Price on request 92788 EPA Method 8081A Pesticide Standard B Price on request 673826 Azoxystrobin, 100mg Price on request