EPA Method 502.2 Internal Standard Back Catalog number: 91703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682079 2,4,5-Trimethylaniline, 100 µg/ml, Methanol, 5ml Price on request 1087.18-K-TX5 Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-53-2 Price on request 95680 o-Terphenyl Price on request