PAH Standard (20 ppm) Back Catalog number: 98653 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3PM183 2,2',3',4,4',5,6'-Heptachloro-3-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 679520 13C6-Sulfamerazine, 10mg Price on request ACQ-SE03-115 Ethanol standard in serum,0.3g/L,serum, 1.5mL Price on request