EPA Method 551.1 Performance Check Soln Back Catalog number: 30114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94277 Herbicide Mix B Conc Price on request 1H-HXCHLOR 1-Hydroxychlordene, 1.2mL x 100ug/mL, nonane Price on request D454510-10MG rac 3,4-Dihydroxyphenylethylene Glycol, 10mg Price on request