EPA Method 525 - Tuning Standard Back Catalog number: 30033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79149 4,4’-DDE Price on request 680832 D9-Terbuthylazine-desethyl, 100 µg/ml, Acetonitri Price on request 683777 trans-Permethrin, 10.0 µg/ml, Cyclohexane, 10ml Price on request