Is any visible emission monitoring done in Tracy Arm or Glacier Bay?
DEC and the USDA Forest Service have partnered to share information on cruise ship visible emissions in Tracy Arm. Forest Service Rangers are certified in EPA Method 9 and conduct readings, which DEC may use for enforcement. 2006 Forest Service Report Opacity Readings in Tracy Arm 2005 Forest Service Report Opacity Readings in Tracy Arm 2004 Forest Service Report Opacity Readings in Tracy Arm In Glacier Bay, Park Service employees conduct visible emissions monitoring on cruise ships. Any enforcement is coordinated through EPA. What method is used to monitor cruise ship emissions? EPA Method 9 is used to monitor the particulate matter exiting the stacks. Visible emissions readers (a.k.a. smoke readers) are trained and certified using a standardized national method. The method requires readers to visually differentiate the opacity of the emissions. It is critical that the sun is behind the reader in order to reduce light scattering that makes the plume appear darker. Have there been any
