EPA Method 601 - Purgeables Mix #1 Back Catalog number: 40001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-H40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 11319.13-10MG Melatonin,neat,neat,10mg, Price on request 676666 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenyl Price on request