EPA Method 515/8150/1658 Herbicides Back Catalog number: 31196 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM130 2,2',3,3',4',5-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 94376 Hydrocarbon Standard Price on request 673781 DEET, 100 µg/ml, Ethyl acetate, 5ml Price on request