Multi-Element Solution 4 Back Catalog number: 53136 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66019 2,2',6-Trichlorobiphenyl (19) Price on request 12123.K-IP 2,4,5-Trichloroanisol,1000 µg/mL,isopropanol,1mL, Price on request 1507.22-50-T 7,10-Dimethylbenzo[a]pyrene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63104-33-6 Price on request