EPA Method 525 Pesticide Standard Back Catalog number: 92933 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2944.14-100-IO Ethyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Unlabelled 3688-18-4 Price on request 3490.14-100-CY Profluralin Price on request S-4163-500-XY Surrogate ISTD - PAH 3 Analytes each 500µg/mL in xylene; unit: 1x1mL 0978.10 d8-Naphthalene [0978.10] 0389.14 d10-Phenanthrene [0389.14] 1024.18 d12-Chrysene [1024.18] Price on request