EPA Method 524 & 624 - Internal Standard Back Catalog number: 19494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1362.9-1G 2,4,6-Trimethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 527-60-6 Price on request 98517 BTEX (10 µg/mL) Price on request 30098 EPA Method 551.1 - Analytes Mix #1 Price on request