EPA Method 624 Analytes Back Catalog number: 40120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676747 Sodium perchlorate monohydrate, 100 µg/ml, Water, Price on request X9122 Isodrin Price on request 1468.16-100-T 2-Nitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 789-07-1 Price on request