EPA Method 8330 - Calibration Mix #1 Back Catalog number: 83525 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10890.12-100-T 3-Nitrobiphenyl,100 µg/mL,toluene,1mL, Price on request 2030.12-50-T 1-Chlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 39227-53-7 Price on request 9400.19-10MG Doxepin hydrochloride Price on request