TEPP, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 675726 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2125.12-K-IOX5 Arochlor 1221 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2 Price on request 0399.19-200-T 6-Methylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 316-14-3 Price on request 56161 Hexavalent Chromium (Cr 6+) Price on request