EPA Method 525 - Perchlorinates Back Catalog number: 30029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1269.9-K-IO 1,3,5-Trimethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108-67-8 Price on request 11157.10-10MG Perfluorodecane sulfonic acid,neat,neat,10mg, Price on request 52068 Spiking Standard Kit Price on request