EPA Method 524 & 624 - Internal Standard Back Catalog number: 19494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59109 EPA Method 200.8Mix Price on request 94478 n-Hydrocarbon Standard - EPH Price on request 0637.30-5MG Lup-3-one, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 3186-72-9 Price on request