EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0376.12-K-T 1,2,3,4-Tetrahydrocarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 942-01-8 Price on request 677057 Ethopabate, 100mg Price on request 30113 Carbon tetrachloride Price on request