Oil & Grease Calibration Back Catalog number: 97835 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30623 EPA Method 502 Aromatic Volatile Organics Price on request 11681.12-100-IO 3,3',5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 3423.7-100 Ioxynil, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1689-83-4 Price on request