WS Anions - Cal Check Back Catalog number: 52107 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678348 Nitrofen, 100 µg/ml, Ethyl acetate, 1ml Price on request 32852 EPA Method 551 - Disinfection By-Products Price on request 677615 Chlordecone (Kepone), 100 µg/ml, Ethyl acetate, Price on request