EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ALR-138N Monoethylhexyl phthalate (mEHP), 100mg Price on request 82492 EPA Method 8240A Mix #2 Price on request B2TBPPP Bis(2-tert-butylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene Price on request