EPA Method 507 Analyte Mix #1 Back Catalog number: 30182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0787.30-100-IO 18ß(H)-Olean-12(13)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 471-68-1 Price on request 9976.10-65-05HC Neosaxitoxin, 65µM, Solvent-10-3M HCl, Unit 0.5mL, # of units-1, Cas.no. 64296-20-4 Price on request 676238 Chlorpropham, 100 µg/ml, Acetonitrile, 1ml Price on request