WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82501 EPA Method 8250Mix #9 Price on request 3430.4-100 Maneb, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 12427-38-2 Price on request 96497 Oxycodone-D6.HCl Price on request