EPA Method 525 Spike B Back Catalog number: 92313 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4130-10MLX5 Daily Quality Control Standard (with 3 Deuterated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane Price on request XA14463500ME Isopropylbenzene, 100 ng/µl, 1ml Price on request 675435 2,5-Dichlorobenzoic acid, 250mg Price on request