Calibration Verification Solution , 1ml, nonane Back Catalog number: EPA-8290HRCC3 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0924.10-500-IO 4-Isopropyl-1-methylbenzene (p-Isopropyltoluene), 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 99-87-6 Price on request 8976.21-100-ME 3-Chloro-1,2-propandiol-1-monostearate-d5, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 30541R Carbaryl Price on request