Metals Mix #1 High Conc. Back Catalog number: 59828 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2125.12-100-IOX10 Arochlor 1221 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2 Price on request 91703 EPA Method 502.2 Internal Standard Price on request 9731.17-100MG 1-Heptadecanol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1454-85-9 Price on request