EPA Method 527 Surrogate Standard Back Catalog number: 95053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66104 PCB No. 104, 100µg/ml in Isooctane, 1ml Price on request 1375.3-5ML 1-Propanol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 71-23-8 Price on request G844495 Guanylurea, 10mg Price on request