CWA Nitrate & Nitrite Back Catalog number: 55130 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0220.20-K-T Perylene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 198-55-0 Price on request 91349 Aroclor 1232 Price on request 2034.12-50-NN 1,2,3,4-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request