EPA Method 602 - Surrogate Standard Back Catalog number: 19097 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98515 BTEX (2.0 µg/mL) Price on request 97296 1,3-Butadiene Price on request 8526.11-10-AN Ochratoxin-alpha, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 19165-63-0 Price on request