EPA Method 8121 Internal Standard Back Catalog number: 81203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0763.16-500-IO 1,8-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7372-87-4 Price on request L11202000CY trans-Chlordane (gamma), 10 µg/mL in CY, 10ml Price on request 53420 EPA Method 300.0 Anions Price on request