EPA Method 611 - Analytes Back Catalog number: 19107 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 74085 Guanylurea, 1000µg/ml in Water, 1ml Price on request 674569 Neburon, 10.0µg/ml, Acetonitrile, 10ml Price on request 2698.19-100-ME Noramitriptyline hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 894-71-3 Price on request