WS Disinfection By-Products - Cal Check Back Catalog number: 91837 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79435 Aldrin Price on request 13700-0341D-100MT Dichloroacetic Acid-d2, 100µg/ml in MTBE, 5ml Price on request 70072 Chloroethane Price on request