EPA Method 8270 Additionals Back Catalog number: 94422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66078 PCB No. 78, 100µg/ml in Isooctane, 1ml Price on request 2195.11-100-ME 1-Methyl-4-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 880-93-9 Price on request 673847 Chlormequat chloride, 100 µg/ml, Water, 1ml Price on request