EPA 525 Spike Mix Back Catalog number: 93845 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H-197N 1,2-Dimethylnaphthalene, 10mg Price on request 2343.10-K-HX tert-Butylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 98-06-6 Price on request 676410 Milbemectin A3, 100 µg/ml, Acetonitrile, 1ml Price on request