Non-Buffered Mix Back Catalog number: 674707 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3330.6-K-IO 1,2,3-Trichlorobenzene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 87-61-6 Price on request S-4058 Dibenzothiophene in Xylene S-4058 1000 µg/mL, 5x1mL ampoules Please request for diluted samples in the range 1 to 1000mg/mL. Price on request 32001R EPA Method 502/524 Volatile Standard Price on request