NWTPH-HCID - Surrogate Standard Back Catalog number: 51138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0984.20-100-IOX10 d2 C20 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-79-9 Price on request 2125.12-10-IOX10 Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2 Price on request 70476 Benzo(j)fluoranthene Price on request