Method 515.3LPC Standard Conc Back Catalog number: 97423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3309.19-100 Allethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 584-79-2 Price on request 31011 Benzene Price on request 684219 N-Nitrosodimethylamine NDMA, 100 µg/ml, Methanol, Price on request