EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1-B-36-CCZ 1-Bromo-3,6-dichloro-9H-carbazole, 1.2ml x 50ug/ml, nonane Price on request 9347.6-100MG DL-Isopropylindeneglycerol-1,1,2,3,3-d5 Price on request 0602.27-100-IO alphaßß (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 69483-47-2 Price on request