EPA Method 8250/8250A Mix #2 - Acids Back Catalog number: 82505 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3583.13-K-IO Thioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 492-22-8 Price on request 1444.14-100MG 3,5-Di-tert-butylphenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1138-52-9 Price on request 92535 2-Chloronaphthalene Price on request