EPA Method 515.1 Internal Standard Back Catalog number: 30023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8405.11-1G 1H-Perfluoro-n-undecane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 66256-53-9 Price on request 1355.2-1ML 1,2-Dichloroethane, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 107-06-2 Price on request 12128.8-250MG Metaldehyde,neat,neat,250mg, Price on request