WS Disinfection By-Products - Cal Check 1 Back Catalog number: 92894 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDF-138 1,3,8-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 52043 Calibration Standard Mix 1 Price on request X9087 a,a-Dimethylphenethylamine Price on request