EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0792.14-K-IO 1,2,3,4,5,6,7,8-Octahydrophenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5325-97-3 Price on request 52136 Multi-Element Solution 4 Price on request 50239 ICP Mix #1 Price on request