diff --git a/code/game/gamemodes/meteor/meteors.dm b/code/game/gamemodes/meteor/meteors.dm
index 2ddf8698ca5..0924648d33f 100644
--- a/code/game/gamemodes/meteor/meteors.dm
+++ b/code/game/gamemodes/meteor/meteors.dm
@@ -237,8 +237,7 @@
 	..(heavy)
 	explosion(src.loc, 0, 0, 4, 3, 0)
 	new /obj/effect/decal/cleanable/greenglow(get_turf(src))
-	for(var/mob/living/L in view(5, src))
-		L.irradiate(40)
+	radiation_pulse(get_turf(src), 2, 5, 50, 1)
 
 //Meaty Ore
 /obj/effect/meteor/meaty
diff --git a/code/game/machinery/doors/airlock_types.dm b/code/game/machinery/doors/airlock_types.dm
index e703f41c727..ba606e037ec 100644
--- a/code/game/machinery/doors/airlock_types.dm
+++ b/code/game/machinery/doors/airlock_types.dm
@@ -146,8 +146,7 @@
 	..()
 
 /obj/machinery/door/airlock/uranium/proc/radiate()
-	for(var/mob/living/L in range (3,src))
-		L.irradiate(15)
+	radiation_pulse(get_turf(src), 3, 3, 15, 0)
 	return
 
 /obj/machinery/door/airlock/plasma
diff --git a/code/game/mecha/equipment/tools/other_tools.dm b/code/game/mecha/equipment/tools/other_tools.dm
index ac8c7e541d5..531f20faa01 100644
--- a/code/game/mecha/equipment/tools/other_tools.dm
+++ b/code/game/mecha/equipment/tools/other_tools.dm
@@ -500,10 +500,6 @@
 
 /obj/item/mecha_parts/mecha_equipment/generator/nuclear/process()
 	if(..())
-		for(var/mob/living/carbon/M in view(chassis))
-			if(istype(M,/mob/living/carbon/human))
-				M.irradiate(rad_per_cycle*3)
-			else
-				M.irradiate(rad_per_cycle)
+		radiation_pulse(get_turf(src), 2, 7, rad_per_cycle, 1)
 
 
diff --git a/code/game/objects/items/devices/traitordevices.dm b/code/game/objects/items/devices/traitordevices.dm
index f77c8951f4f..3e081af2025 100644
--- a/code/game/objects/items/devices/traitordevices.dm
+++ b/code/game/objects/items/devices/traitordevices.dm
@@ -98,7 +98,7 @@ effective or pretty fucking useless.
 			if(M)
 				if(intensity >= 5)
 					M.apply_effect(round(intensity/1.5), PARALYZE)
-				M.irradiate(intensity*10)
+				M.rad_act(intensity*10)
 	else
 		user << "<span class='warning'>The radioactive microlaser is still recharging.</span>"
 
diff --git a/code/game/objects/items/nuke_tools.dm b/code/game/objects/items/nuke_tools.dm
index ee10b83dbc9..f8a0a093a12 100644
--- a/code/game/objects/items/nuke_tools.dm
+++ b/code/game/objects/items/nuke_tools.dm
@@ -23,8 +23,7 @@
 	if(cooldown < world.time - 60)
 		cooldown = world.time
 		flick("plutonium_core_pulse", src)
-		for(var/mob/living/L in range(4,get_turf(src)))
-			L.irradiate(40)
+		radiation_pulse(get_turf(src), 1, 4, 40, 1)
 
 //nuke core box, for carrying the core
 /obj/item/nuke_core_container
diff --git a/code/game/objects/radiation.dm b/code/game/objects/radiation.dm
new file mode 100644
index 00000000000..2498b6fe825
--- /dev/null
+++ b/code/game/objects/radiation.dm
@@ -0,0 +1,35 @@
+/proc/radiation_pulse(turf/epicenter, heavy_range, light_range, severity, log=0)
+	if(!epicenter) return
+
+	if(!istype(epicenter, /turf))
+		epicenter = get_turf(epicenter.loc)
+
+	if(log)
+		message_admins("Radiation pulse with size ([heavy_range], [light_range]) and severity [severity] in area [epicenter.loc.name] ")
+		log_game("Radiation pulse with size ([heavy_range], [light_range]) and severity [severity] in area [epicenter.loc.name] ")
+
+	if(heavy_range > light_range)
+		light_range = heavy_range
+
+	for(var/atom/T in range(light_range, epicenter))
+		var/distance = get_dist(epicenter, T)
+		if(distance < 0)
+			distance = 0
+		if(distance < heavy_range)
+			T.rad_act(severity)
+		else if(distance == heavy_range)
+			if(prob(50))
+				T.rad_act(severity)
+			else
+				T.rad_act(severity / 2)
+		else if(distance <= light_range)
+			T.rad_act(severity / 2)
+	return 1
+
+/atom/proc/rad_act(var/severity)
+	return 1
+
+/mob/living/rad_act(amount)
+	if(amount)
+		var/blocked = run_armor_check(null, "rad", "Your clothes feel warm.", "Your clothes feel warm.")
+		apply_effect(amount, IRRADIATE, blocked)
diff --git a/code/game/objects/structures/false_walls.dm b/code/game/objects/structures/false_walls.dm
index d5534842ddb..188911cc2a0 100644
--- a/code/game/objects/structures/false_walls.dm
+++ b/code/game/objects/structures/false_walls.dm
@@ -169,8 +169,7 @@
 	if(!active)
 		if(world.time > last_event+15)
 			active = 1
-			for(var/mob/living/L in range(3,src))
-				L.irradiate(4)
+			radiation_pulse(get_turf(src), 0, 3, 15, 1)
 			for(var/turf/simulated/wall/mineral/uranium/T in orange(1,src))
 				T.radiate()
 			last_event = world.time
diff --git a/code/game/objects/structures/statues.dm b/code/game/objects/structures/statues.dm
index 8eec60f7283..f54046e7065 100644
--- a/code/game/objects/structures/statues.dm
+++ b/code/game/objects/structures/statues.dm
@@ -176,8 +176,7 @@
 	if(!active)
 		if(world.time > last_event+15)
 			active = 1
-			for(var/mob/living/L in range(3,src))
-				L.irradiate(12)
+			radiation_pulse(get_turf(src), 3, 3, 12, 0)
 			last_event = world.time
 			active = null
 			return
diff --git a/code/game/turfs/simulated/floor/mineral_floor.dm b/code/game/turfs/simulated/floor/mineral_floor.dm
index b1b1a728cf4..612aec92013 100644
--- a/code/game/turfs/simulated/floor/mineral_floor.dm
+++ b/code/game/turfs/simulated/floor/mineral_floor.dm
@@ -163,8 +163,7 @@
 	if(!active)
 		if(world.time > last_event+15)
 			active = 1
-			for(var/mob/living/L in range(3,src))
-				L.irradiate(1)
+			radiation_pulse(get_turf(src), 3, 3, 1, 0)
 			for(var/turf/simulated/floor/mineral/uranium/T in orange(1,src))
 				T.radiate()
 			last_event = world.time
diff --git a/code/game/turfs/simulated/walls_mineral.dm b/code/game/turfs/simulated/walls_mineral.dm
index be9d5945c9d..84aae77504d 100644
--- a/code/game/turfs/simulated/walls_mineral.dm
+++ b/code/game/turfs/simulated/walls_mineral.dm
@@ -80,8 +80,7 @@
 	if(!active)
 		if(world.time > last_event+15)
 			active = 1
-			for(var/mob/living/L in range(3,src))
-				L.irradiate(4)
+			radiation_pulse(get_turf(src), 3, 3, 4, 0)
 			for(var/turf/simulated/wall/mineral/uranium/T in orange(1,src))
 				T.radiate()
 			last_event = world.time
diff --git a/code/modules/events/radiation_storm.dm b/code/modules/events/radiation_storm.dm
index c83ea419df4..13c57a9a5a6 100644
--- a/code/modules/events/radiation_storm.dm
+++ b/code/modules/events/radiation_storm.dm
@@ -37,9 +37,9 @@
 		if(istype(C, /mob/living/carbon/human))
 			var/mob/living/carbon/human/H = C
 			if(prob(5))
-				H.irradiate(rand(100, 160))
+				H.rad_act(rand(100, 160))
 			else
-				H.irradiate(rand(15, 75))
+				H.rad_act(rand(15, 75))
 			if(prob(25))
 				if(prob(75))
 					randmutb(H)
@@ -49,7 +49,7 @@
 
 		else if(istype(C, /mob/living/carbon/monkey))
 			var/mob/living/carbon/monkey/M = C
-			M.irradiate(rand(15, 75))
+			M.rad_act(rand(15, 75))
 
 
 /datum/round_event/radiation_storm/end()
diff --git a/code/modules/mob/living/carbon/human/human.dm b/code/modules/mob/living/carbon/human/human.dm
index 2b585fa1f89..4a15c82b74d 100644
--- a/code/modules/mob/living/carbon/human/human.dm
+++ b/code/modules/mob/living/carbon/human/human.dm
@@ -684,7 +684,7 @@
 			if(prob(current_size * 5) && hand.w_class >= ((11-current_size)/2)  && unEquip(hand))
 				step_towards(hand, src)
 				src << "<span class='warning'>\The [S] pulls \the [hand] from your grip!</span>"
-	irradiate(current_size * 3)
+	rad_act(current_size * 3)
 	if(mob_negates_gravity())
 		return
 	..()
diff --git a/code/modules/mob/living/carbon/human/species_types.dm b/code/modules/mob/living/carbon/human/species_types.dm
index cd5c473014b..95105c87bdc 100644
--- a/code/modules/mob/living/carbon/human/species_types.dm
+++ b/code/modules/mob/living/carbon/human/species_types.dm
@@ -122,7 +122,7 @@ datum/species/human/spec_death(gibbed, mob/living/carbon/human/H)
 	switch(proj_type)
 		if(/obj/item/projectile/energy/floramut)
 			if(prob(15))
-				H.irradiate(rand(30,80))
+				H.rad_act(rand(30,80))
 				H.Weaken(5)
 				H.visible_message("<span class='warning'>[H] writhes in pain as \his vacuoles boil.</span>", "<span class='userdanger'>You writhe in pain as your vacuoles boil!</span>", "<span class='italics'>You hear the crunching of leaves.</span>")
 				if(prob(80))
diff --git a/code/modules/mob/living/living_defense.dm b/code/modules/mob/living/living_defense.dm
index c30c3527d60..a63a44b5a03 100644
--- a/code/modules/mob/living/living_defense.dm
+++ b/code/modules/mob/living/living_defense.dm
@@ -293,7 +293,4 @@
 	if(stat || paralysis || stunned || weakened || restrained())
 		return 1
 
-/mob/living/proc/irradiate(amount)
-	if(amount)
-		var/blocked = run_armor_check(null, "rad", "Your clothes feel warm", "Your clothes feel warm")
-		apply_effect(amount, IRRADIATE, blocked)
+//Looking for irradiate()? It's been moved to radiation.dm under the rad_act() for mobs.
diff --git a/code/modules/power/gravitygenerator.dm b/code/modules/power/gravitygenerator.dm
index 8eb7af7db8f..104a437c2f2 100644
--- a/code/modules/power/gravitygenerator.dm
+++ b/code/modules/power/gravitygenerator.dm
@@ -350,8 +350,7 @@ var/const/GRAV_NEEDS_WRENCH = 3
 
 
 /obj/machinery/gravity_generator/main/proc/pulse_radiation()
-	for(var/mob/living/L in view(7, src))
-		L.irradiate(20)
+	radiation_pulse(get_turf(src), 3, 7, 20, 1)
 
 // Shake everyone on the z level to let them know that gravity was enagaged/disenagaged.
 /obj/machinery/gravity_generator/main/proc/shake_everyone()
diff --git a/code/modules/power/singularity/particle_accelerator/particle.dm b/code/modules/power/singularity/particle_accelerator/particle.dm
index a9ff8952161..889d9a3189b 100644
--- a/code/modules/power/singularity/particle_accelerator/particle.dm
+++ b/code/modules/power/singularity/particle_accelerator/particle.dm
@@ -56,7 +56,7 @@
 
 
 /obj/effect/accelerated_particle/proc/toxmob(mob/living/M)
-	M.irradiate(energy*6)
+	M.rad_act(energy*6)
 	M.updatehealth()
 	return
 
diff --git a/code/modules/power/singularity/singularity.dm b/code/modules/power/singularity/singularity.dm
index b9578936e24..6223ff52e7c 100644
--- a/code/modules/power/singularity/singularity.dm
+++ b/code/modules/power/singularity/singularity.dm
@@ -364,13 +364,13 @@
 		radiation += round((energy-150)/10,1)
 		radiationmin = round((radiation/5),1)
 	for(var/mob/living/M in view(toxrange, src.loc))
-		M.irradiate(rand(radiationmin,radiation))
+		M.rad_act(rand(radiationmin,radiation))
 
 
 /obj/singularity/proc/combust_mobs()
 	for(var/mob/living/carbon/C in orange(20, src))
 		C.visible_message("<span class='warning'>[C]'s skin bursts into flame!</span>", \
-						  "<span class='boldannounce'>You feel an inner fire as your skin is suddenly covered in fire!</span>")
+						  "<span class='userdanger'>You feel an inner fire as your skin bursts into flames!</span>")
 		C.adjust_fire_stacks(5)
 		C.IgniteMob()
 	return
diff --git a/code/modules/power/supermatter/supermatter.dm b/code/modules/power/supermatter/supermatter.dm
index 9fb8bfb9d52..2d01b3cf8b3 100644
--- a/code/modules/power/supermatter/supermatter.dm
+++ b/code/modules/power/supermatter/supermatter.dm
@@ -119,7 +119,7 @@
 					var/mob/living/carbon/human/H = mob
 					H.hallucination += max(50, min(300, DETONATION_HALLUCINATION * sqrt(1 / (get_dist(mob, src) + 1)) ) )
 				var/rads = DETONATION_RADS * sqrt( 1 / (get_dist(mob, src) + 1) )
-				mob.irradiate(rads)
+				mob.rad_act(rads)
 
 			explode()
 
@@ -181,7 +181,7 @@
 
 	for(var/mob/living/l in range(src, round((power / 100) ** 0.25)))
 		var/rads = (power / 10) * sqrt( 1 / max(get_dist(l, src),1) )
-		l.irradiate(rads)
+		l.rad_act(rads)
 
 	power -= (power/500)**3
 
@@ -259,7 +259,7 @@
 
 		playsound(get_turf(src), 'sound/effects/supermatter.ogg', 50, 1)
 
-		user.irradiate(150)
+		radiation_pulse(get_turf(src), 1, 1, 150, 1)
 
 
 /obj/machinery/power/supermatter_shard/Bumped(atom/AM as mob|obj)
@@ -292,9 +292,8 @@
 	power += 200
 
 	//Some poor sod got eaten, go ahead and irradiate people nearby.
+	radiation_pulse(get_turf(src), 4, 10, 500, 1)
 	for(var/mob/living/L in range(10))
-		var/rads = 500 * sqrt( 1 / (get_dist(L, src) + 1) )
-		L.irradiate(rads)
 		investigate_log("has irradiated [L] after consuming [AM].", "supermatter")
 		if(L in view())
 			L.show_message("<span class='danger'>As \the [src] slowly stops resonating, you find your skin covered in new radiation burns.</span>", 1,\
diff --git a/code/modules/projectiles/guns/energy/nuclear.dm b/code/modules/projectiles/guns/energy/nuclear.dm
index a5752e23273..dbe0225dd79 100644
--- a/code/modules/projectiles/guns/energy/nuclear.dm
+++ b/code/modules/projectiles/guns/energy/nuclear.dm
@@ -90,11 +90,11 @@
 		switch(fail_tick)
 			if(0 to 200)
 				fail_tick += (2*(100-reliability))
-				M.irradiate(40)
+				M.rad_act(40)
 				M << "<span class='userdanger'>Your [name] feels warmer.</span>"
 			if(201 to INFINITY)
 				SSobj.processing.Remove(src)
-				M.irradiate(80)
+				M.rad_act(80)
 				crit_fail = 1
 				M << "<span class='userdanger'>Your [name]'s reactor overloads!</span>"
 
diff --git a/code/modules/research/experimentor.dm b/code/modules/research/experimentor.dm
index 8924a827921..bacc3ef9529 100644
--- a/code/modules/research/experimentor.dm
+++ b/code/modules/research/experimentor.dm
@@ -289,9 +289,7 @@
 			ejectItem()
 		if(prob(EFFECT_PROB_VERYLOW-badThingCoeff))
 			visible_message("<span class='danger'>[src] malfunctions, melting [exp_on] and leaking radiation!</span>")
-			for(var/mob/living/m in oview(1, src))
-				m.irradiate(25)
-				investigate_log("Experimentor has irradiated [m]", "experimentor") //One entry per person so we know what was irradiated.
+			radiation_pulse(get_turf(src), 1, 1, 25, 1)
 			ejectItem(TRUE)
 		if(prob(EFFECT_PROB_LOW-badThingCoeff))
 			visible_message("<span class='warning'>[src] malfunctions, spewing toxic waste!</span>")
diff --git a/config/admins.txt b/config/admins.txt
index b4a042557de..e28d9df748e 100644
--- a/config/admins.txt
+++ b/config/admins.txt
@@ -7,7 +7,7 @@
 # NOTE: if the rank-name cannot be found in admin_ranks.txt, they will not be adminned! ~Carn #
 # NOTE: syntax was changed to allow hyphenation of ranknames, since spaces are stripped.      #
 ###############################################################################################
-Optimumtact = Host
+Xhuis = Host
 MrStonedOne = Game Master
 microscopics = Game Master
 Gun Hog = Game Master
diff --git a/tgstation.dme b/tgstation.dme
index 32d682bff36..5b1933f0518 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -544,6 +544,7 @@
 #include "code\game\objects\explosion.dm"
 #include "code\game\objects\items.dm"
 #include "code\game\objects\objs.dm"
+#include "code\game\objects\radiation.dm"
 #include "code\game\objects\structures.dm"
 #include "code\game\objects\weapons.dm"
 #include "code\game\objects\effects\aliens.dm"