EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended F698975 5-Formylcytosine, 1mg Price on request 680449 Quintozene, 100 µg/ml, Ethyl acetate, 1ml Price on request 93549 Pesticide Standard Price on request