EPA Method 200.8 Internal Standard Back Catalog number: 56332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2125.12-10-IOX10 Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2 Price on request 8395.6-10MG Galactosan, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 644-76-8 Price on request 93978 Chloroacetic acid Price on request