EPA Method 525 Surrogate Standard Back Catalog number: 93971 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675098 n-Dodecylbenzene, 100mg Price on request 71981 1,trans-2,trans-4-Trimethylcyclohexane Price on request 677501 D5-Cyanazine, 100 µg/ml, Acetone, 1ml Price on request