EPA Method 525.2 Pesticide Level 1 Back Catalog number: 92846 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50684 Custom Metals Standard Price on request 9398.20-K-ME (+/-)-Citalopram-d4 hydrobromide, 1000µg/ml in MeOH, 1ml Price on request 3193.23-K-IO Ethyl heneicosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28898-67-1 Price on request