EPA Method 601Mix #2 Back Catalog number: 44002 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 679807 Sulfachloropyridazine, 100 µg/ml, Methanol, 1ml Price on request 1493.18-10MG 3-Hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63019-39-6 Price on request 3623.20-K-ME 17alpha-Ethynylestradiol,1000 µg/mL,MeOH,1mL, Price on request