diff --git a/maps/northern_star/northern_star_areas.dm b/maps/northern_star/northern_star_areas.dm
index 6d163885b4..402971a3d5 100644
--- a/maps/northern_star/northern_star_areas.dm
+++ b/maps/northern_star/northern_star_areas.dm
@@ -23,4 +23,17 @@
 
 //TFF 22/9/19 - Add new area for Mining Outpost Emergency Storage
 /area/outpost/mining_main/emergency_storage
-	name = "Mining Outpost Emergency Storage"
\ No newline at end of file
+	name = "Mining Outpost Emergency Storage"
+
+//TFF 28/9/19 - Prevent Atmos Leak event from going into these areas.
+/datum/event/atmos_leak/setup()
+	excluded |= /area/engineering/gas_storage
+	//TFF - making sure to not miss all Gas Storage chambers.
+	excluded |= /area/engineering/gas_storage/air
+	excluded |= /area/engineering/gas_storage/oxygen
+	excluded |= /area/engineering/gas_storage/nitrogen
+	excluded |= /area/engineering/gas_storage/co2
+	excluded |= /area/engineering/gas_storage/phoron
+	excluded |= /area/engineering/gas_storage/n2o
+	excluded |= /area/engineering/gas_storage/mix
+	..()