Aroclor 1221 & Tetrachloro-m-xylene Back Catalog number: 95402 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 78001 Acifluorfen Price on request 94737 Benzidine Price on request L429-IS Method 429 Internal Standard Solution, 100µg/ml in Isooctane/25% toluene, 1,2ml Price on request