Monthly Archives: October 2012
Oil sheen spotted near BP Deepwater Horizon drill rig
Using satellite images to monitor the Deepwater Horizon drill rig that exploded over two years ago, BP spotted a previously undetected oil sheen on September 16. When the sheen was first discovered, the source was unknown. Monitoring the sheen … Continue reading
ASTM and the development of environmental standards
ASTM International, previously known as American Society for Testing and Materials, is an organization charged with facilitating the development of voluntary consensus standards. Although “American” is at the root of the organization’s name, over 12,000 standards have been created … Continue reading
Researching environmental activity/use limitations (AULs)
Environmental activity/use limitations (AULs) are legal restrictions filed for two main reasons: The prevention of exposure to environmental contamination and the management of public health and environmental risks associated with a property that has been contaminated. It is important … Continue reading
The basics of aerial photography: scaling & resolution
In my previous blog post, we explored the history of aerial photography. In this post, we will discuss the two main factors that determine the quality of aerial photography: scaling and resolution. Scaling Scaling is one of the more … Continue reading