EPA Method 8260 C-19 Standard Back Catalog number: 93256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9193.19-K-ME Nortriptyline-d3 hydrochloride (N-methyl-d3) Price on request 3446.16-100-CY o,p'-Methoxychlor Price on request S-4073-05-10MEX10 Sulfur Standard 2 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4073 Di-n-propyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w) Price on request