EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8481.22-10MG Diltiazem hydrochloride,neat,neat,10mg, Price on request 674002 3,4-Dichloroaniline, 100 µg/ml, Methanol, 5ml Price on request 73442 1,2-Benzofluorene Price on request