EPA Method 8250/8250A Mix #2 - Acids Back Catalog number: 82505 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71205 Fenitrothion, 1000µg/ml in MeOH, 1ml Price on request 3850.14-K-IO 9,10-Dihydroanthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 613-31-0 Price on request 1832.19-100-IO 4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,isooctane,1mL, Price on request