CLP Semi-Volatile - Low Conc Acid Control Back Catalog number: 20057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50623 EPA Method 300.0 Anions Mix A Price on request 677507 Chlorobenzilate, 100 µg/ml, Ethyl acetate, 1ml Price on request 0907.12-500-IO Diphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 139-66-2 Price on request