(Use Part# 82423) EPA Method 8240A Mix #3 Back Catalog number: 82403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-11585A1-1ML Napropamide, 100µg/ml in Acetonitrile, 1ml Price on request 678348 Nitrofen, 100 µg/ml, Ethyl acetate, 1ml Price on request 0005.21-200-T 3-Methylcholanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-49-5 Price on request