EPA Method 8330 Analyte Back Catalog number: 79247 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H281155-250MG N-Heptanoylglycine, 250mg Price on request MDF-0 [13C12]Dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 1024.18-200-TX5 Chrysene-d12, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5 Price on request