EPA Method 551.1 Performance Check Soln Back Catalog number: 30114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0043.18-100-T 7-Nitrobenz[a]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20268-51-3 Price on request 96609 3-Fluoromethcathinone HCl Price on request 30036 Methyl-3,5-dichlorobenzoate Price on request