EPA Method 8260B Surrogate Standard Back Catalog number: 23004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33265 Trichloroacetic acid Price on request 9667.12-100-IO 2,3,3',5,5',6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-46-1 Price on request 673826 Azoxystrobin, 100mg Price on request