EPA Method 525 - Perchlorinates Back Catalog number: 30029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0411.40-150-CYX10 n-Tetracontane, ?13C: -27.05, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 4181-95-7 Price on request 673568 Esfenvalerate, 100 µg/ml, Ethyl acetate, 5ml Price on request 676959 Halfenprox, 10.0 µg/ml, Ethyl acetate, 10ml Price on request