PCB Congeners (10 ppm) Back Catalog number: 98003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S4176-0.05 25-Hydroxyvitamin D2-[d3], 50μg/ml, 1ml Price on request XA17100000AL 2,4,5-T, 100µg/mL in Acetonitrile, 1ml Price on request 678133 2,2'-DDE, 10 µg/ml, Cyclohexane, 10ml Price on request