Figure F1. Infrared camera on wheeled cart for rolling down cores on catwalk prior to other sampling. A cardboard box was extended from the lens to the core liner and covered with reflective aluminum foil to shield external infrared radiation from the core.

Figure F1. Infrared camera on wheeled cart for rolling down cores on catwalk prior to other sampling. A cardboard box was extended from the lens to the core liner and covered with reflective aluminum foil to shield external infrared radiation from the core.