EPA Method 508 Pesticide Standard Back Catalog number: 92949 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97658 Dow 624B Volatile Internal/Surrogate Standard Price on request 681690 2-Phenylphenol, 100 µg/ml, Methanol, 5ml Price on request 679441 D8-DNC, 10mg Price on request