EPA Method 622.1 Analytes Back Catalog number: 40019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1339.31-500-IO 17?(H),21ß(H)-(22R)-Homohopane, 500µg/mL in Isooctane, 1mL Price on request 97272 Aliphatic n-Hydrocarbon Standard Price on request 10582.12-K-ME N,N-Dimethyltryptamine Price on request