EPA Method 624 Surrogate Standard Back Catalog number: 19112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92619 Methanol (10ug/mL) Price on request 0352.15-K-IO 9-Ethylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2294-82-8 Price on request 3520.10-100-AN Trichloronate Price on request