EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml Back Catalog number: 96884 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 678493 Pyrethrins, 100 µg/ml, Acetonitrile, 1ml Price on request 677546 trans-Permethrin, 100 µg/ml, Acetone, 1ml Price on request 70021R Aroclor 1260 Price on request