EPA Method 525 Surrogate Standard Back Catalog number: 93971 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended (+)GHBCD (+)-γ-1R,2R,5R,6S,9S,10R-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene Price on request X9101 Endosulfan II Price on request 675369 Sulfamethizole, 250mg Price on request