EPA Method 8330 - Calibration Mix #1 Back Catalog number: 83525 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8630.31-10UG 3ß,17ß(H),21 alpha(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 497938-96-2 Price on request 1838.8-1G p-Toluic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 99-94-5 Price on request 79693 Fluorene-d10 Price on request