EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 25002 EPA Method 8260 - Surrogate Standard Price on request 3575.12-K-IO 4,6,8-Trimethylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 88565-88-2 Price on request 59634 Metals Mix Price on request