Sussex EOC alerted Station 74 Delmar for a large propane leak on Tuesday, April 21, 2015. Reports indicated an active leak from a large underground tank. Fire stations 81 (Laurel), 5 (Hebron) and 14 (Sharptown) were also alerted to respond and assist. DNREC responded two Haz-Mat Response Units to the scene. The propane was burned off.
You can watch a video of Delmar units responding to this incident here: https://youtu.be/oxAaDYAApuI