EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2105.8-25MG 1,5-Bis-(1-methylethyl)-biguanide HCl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 45095-69-0 Price on request 93997 Chrysene, 100µg/ml in Acetone, 1ml Price on request 676559 Phenazone impurity A, 25mg Price on request