EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10693.22-5MG Cannabidiolic acid Price on request 2896.27-K-IO Tri-(3-phenyl)-1-propylamine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 408309-07-9 Price on request 20005 CLP Semi-Volatile Acid Surrogate Standard, 2000µg/ml in MeOH, 1ml Price on request