EPA Method 8330 - Calibration Mix #1 Back Catalog number: 83525 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3750.6-100MG 1,2,3,4-Tetrachlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 634-66-2 Price on request 679724 1,3-Propanediol, 250mg Price on request 72302 4-Chlorobenzaldehyde Price on request