EPA Method 624 Internal / Surrogate Standard Back Catalog number: 92559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79629 Salicylic acid Price on request 8462.7-100-AN 2,6-Dichlorobenzamide, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 2008-58-4 Price on request 2732.29-100-HX 24-Ethylcholest-5-en-3ß-ol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 83-46-5 Price on request