Recovery Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23RS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 9439.8-100-CY Demeton O Price on request 0144.18-500-IO 4-Phenyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104601-39-0 Price on request HPCHLOR Heptachlor, 1.2mL x 100ug/mL, nonane Price on request