EPA Method 515.1 Internal Standard Back Catalog number: 31023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1113.12-100-T 5-Nitroacenaphthene, 100µg/mL, Solvent-toluene, Unit 1ml, # of units-1, Cas.no. 602-87-9 Price on request 0490.8-K-IO 2,2'-Dithienyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 492-97-7 Price on request X9158 Parathion ethyl Price on request
