In this episode of Behind-the-Scene @NTSB, we talk with Rachel Gunaratnam, a Hazardous Materials Accident Investigator in the NTSB Office or Railroad, Pipeline and Hazardous Materials Investigations and Frank Zakar, a Senior Metallurgist in the NTSB Office of Research and Engineering, about the natural gas-fueled explosion, on August 10, 2016, in Silver Spring, Maryland. Rachel … Continue reading Episode 26 – Silver Spring, Maryland, Apartment Building Explosion Investigation →