Radiation flags and dissipation fix

code/datums/components/radioactive.dm

@@ -47,13 +47,20 @@
 	if(!prob(50))
 		return
 	radiation_pulse(parent, strength, RAD_DISTANCE_COEFFICIENT*2, FALSE, can_contaminate)
-
 	if(!hl3_release_date)
 		return
 	strength -= strength / hl3_release_date
 	if(strength <= RAD_BACKGROUND_RADIATION)
+		addtimer(CALLBACK(src, .proc/check_dissipate), 5 SECONDS)
 		return PROCESS_KILL
 
+/datum/component/radioactive/proc/check_dissipate()
+	if(strength <= RAD_BACKGROUND_RADIATION)
+		qdel(src)
+		return
+	if(!(datum_flags & DF_ISPROCESSING))	// keep going
+		START_PROCESSING(SSradiation, src)
+
 
 /datum/component/radioactive/proc/glow_loop(atom/movable/master)
 	var/filter = master.get_filter("rad_glow")

code/game/objects/effects/effects.dm

@@ -6,6 +6,7 @@
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF | FREEZE_PROOF
 	move_resist = INFINITY
 	obj_flags = 0
+	rad_flags = RAD_PROTECT_CONTENTS | RAD_NO_CONTAMINATE
 
 /obj/effect/take_damage(damage_amount, damage_type = BRUTE, damage_flag = 0, sound_effect = 1, attack_dir)
 	return