(Use Part# 82423) EPA Method 8240A Mix #3 Back Catalog number: 82403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA10333000ME Atrazine-2-hydroxy, 100µg/mL in MeOH, 1ml Price on request 30064 EPA Method 502/524 High Conc VOC Mix #7, 2000µg/ml in MeOH,1ml Price on request K186000 Ketoconazole, 500mg Price on request