EPA Method 548 Analyte Back Catalog number: 30047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57229 Copper (Cu) Price on request 8632.31-10UG 2ß,17 alpha(H),21ß(H)-2-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 138057-81-5 Price on request 72053 1,1,2,2-Tetrachloroethane-d2 Price on request