EPA Method 551.1 Performance Check Soln Back Catalog number: 30114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680224 Behenic acid, 100mg Price on request 1113.12-100-T 5-Nitroacenaphthene, 100µg/mL, Solvent-toluene, Unit 1ml, # of units-1, Cas.no. 602-87-9 Price on request 11873.12-100MG (±)-Fipronil,neat,neat,10mg Price on request