CLP Pesticide Lab Control Standard Back Catalog number: 21061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677800 Malonic acid, 250mg Price on request S-4256-50-10LW Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt Price on request 678242 Simazine-2-hydroxy, 25mg Price on request