EPA Method 508 Pesticide Standard Back Catalog number: 92949 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678151 Terbufos-sulfoxide, 100 µg/ml, Acetonitrile, 1ml Price on request 1113.12-K-T 5-Nitroacenaphthene, 1000µg/ml in Toluene, 1ml Price on request 92575 EPA Method 8240B - Purgeable Internal Standard Price on request