EPA Method 507/525 Analytes Mix #2 Rev.1 Back Catalog number: 31083 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0954.10-K-IO 2,5-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-48-7 Price on request 94192 EPA 525 Cal Mix 1 Price on request MET-12007A-100MG Phthalamic acid, 100mg Price on request