TOC Calibration Standard Back Catalog number: 50240 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 61242 Aroclor 1242 in Transformer Oil Price on request 95484 PCB Congeners Mix #1 Price on request XA16100100AC Phosalone D10, 100 µg/mL in Acetone, 1ml Price on request