EPA Method 515/8150/1658 Herbicides Back Catalog number: 31196 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3187.18-K-IO Ethyl hexadecanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 628-97-7 Price on request 677161 Tributyltin chloride, 1000 µg/ml, Methanol, 5ml Price on request 90645 4,6-Dinitro-2-methylphenol Price on request