EPA Method 1618 Organochlorine Mix C Back Catalog number: 20138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3129.4-K-IO Tetranoic acid (Butyric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 107-92-6 Price on request 59877 Scandium (Sc) Price on request 679019 Josamycin, 10 µg/ml, Acetone, 5ml Price on request