EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681368 Fluroxypyr-1-methylheptylester, 100mg Price on request 71418 trans-1,3-Dichloro-1-propene Price on request HXCHLOR Chlordene, 1.2mL x 100ug/mL, nonane Price on request