EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70385 Ethylenethiourea, 1000µg/ml in Ethylacetate, 1ml Price on request 71800 Succinic acid Price on request 685206 Halauxifen-methyl, 25mg Price on request