EPA Method 8250/8250A Mix #3 - Pesticides Back Catalog number: 82526 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1504.30-100-IO 3ß(H),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 2545.14-K-ME (+/-)Atenolol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7 Price on request 70490 N-Nitroso-N-methylethylamine Price on request