WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1811.12-100MG Decabromodiphenyl ether,neat,neat,100mg, Price on request 50680 Pyruvic Acid (C3H4O3) Price on request 95450 PCB Congeners & Hexachlorobenzene Mix #1 Price on request