CSI Knowledge Center (Q&A: topics related to gas delivery, abatement of hazardous gases, which components to use where and why, troubleshooting gas systems, etc.):

  http://www.criticalsystemsinc.com/knowledge-center.html

Brigham Young University Cleanroom Training Videos

Stanford Nanofabrication Facility Training Videos

University of Utah Nanofab Training Videos

Cornell Nanofab Tool Training Video

Other Useful links