diff --git a/code/__DEFINES/radiation.dm b/code/__DEFINES/radiation.dm
index 196f3cc079..3e9731417a 100644
--- a/code/__DEFINES/radiation.dm
+++ b/code/__DEFINES/radiation.dm
@@ -6,29 +6,30 @@ Ask ninjanomnom if they're around
 
 #define RAD_BACKGROUND_RADIATION 9 					// How much radiation is harmless to a mob, this is also when radiation waves stop spreading
 													// WARNING: Lowering this value significantly increases SSradiation load
-#define RAD_AMOUNT_LOW 50
-#define RAD_AMOUNT_MEDIUM 200
-#define RAD_AMOUNT_HIGH 500
-#define RAD_AMOUNT_EXTREME 1000
 
-// apply_effect(amount * RAD_MOB_COEFFICIENT, IRRADIATE, blocked)
-#define RAD_MOB_COEFFICIENT 0.25					// Radiation applied is multiplied by this
+// apply_effect((amount*RAD_MOB_COEFFICIENT)/max(1, (radiation**2)*RAD_OVERDOSE_REDUCTION), IRRADIATE, blocked)
+#define RAD_MOB_COEFFICIENT 0.20					// Radiation applied is multiplied by this
+#define RAD_MOB_SKIN_PROTECTION ((1/RAD_MOB_COEFFICIENT)+RAD_BACKGROUND_RADIATION)
 
-#define RAD_LOSS_PER_TICK 1
+#define RAD_LOSS_PER_TICK 0.5
 #define RAD_TOX_COEFFICIENT 0.05					// Toxin damage per tick coefficient
+#define RAD_OVERDOSE_REDUCTION 0.000001				// Coefficient to the reduction in applied rads once the thing, usualy mob, has too much radiation
+													// WARNING: This number is highly sensitive to change, graph is first for best results
+#define RAD_BURN_THRESHOLD 1000						// Applied radiation must be over this to burn
 
-#define RAD_MOB_SAFE 300							// How much stored radiation in a mob with no ill effects
+#define RAD_MOB_SAFE 500							// How much stored radiation in a mob with no ill effects
+
+#define RAD_MOB_HAIRLOSS 800						// How much stored radiation to check for hair loss
+
+#define RAD_MOB_MUTATE 1250							// How much stored radiation to check for mutation
+
+#define RAD_MOB_VOMIT 2000							// The amount of radiation to check for vomitting
+#define RAD_MOB_VOMIT_PROB 1						// Chance per tick of vomitting
 
 #define RAD_MOB_KNOCKDOWN 2000						// How much stored radiation to check for stunning
 #define RAD_MOB_KNOCKDOWN_PROB 1					// Chance of knockdown per tick when over threshold
 #define RAD_MOB_KNOCKDOWN_AMOUNT 3					// Amount of knockdown when it occurs
 
-#define RAD_MOB_VOMIT 1500							// The amount of radiation to check for vomitting
-#define RAD_MOB_VOMIT_PROB 1						// Chance per tick of vomitting
-
-#define RAD_MOB_MUTATE 1000							// How much stored radiation to check for mutation
-#define RAD_MOB_HAIRLOSS 500						// How much stored radiation to check for hair loss
-
 #define RAD_NO_INSULATION 1.0						// For things that shouldn't become irradiated for whatever reason
 #define RAD_VERY_LIGHT_INSULATION 0.9				// What girders have
 #define RAD_LIGHT_INSULATION 0.8
@@ -39,10 +40,10 @@ Ask ninjanomnom if they're around
 
 // WARNING: The deines below could have disastrous consequences if tweaked incorrectly. See: The great SM purge of Oct.6.2017
 // contamination_chance = 		(strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_CHANCE_COEFFICIENT * min(1/(steps*RAD_DISTANCE_COEFFICIENT), 1))
-// contamination_strength = 	(strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_STR_COEFFICIENT * min(1/(steps*RAD_DISTANCE_COEFFICIENT), 1)
-#define RAD_MINIMUM_CONTAMINATION 300				// How strong does a radiation wave have to be to contaminate objects
-#define RAD_CONTAMINATION_CHANCE_COEFFICIENT 0.0075	// Higher means higher strength scaling contamination chance
-#define RAD_CONTAMINATION_STR_COEFFICIENT 0.5		// Higher means higher strength scaling contamination strength
+// contamination_strength = 	(strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_STR_COEFFICIENT
+#define RAD_MINIMUM_CONTAMINATION 350				// How strong does a radiation wave have to be to contaminate objects
+#define RAD_CONTAMINATION_CHANCE_COEFFICIENT 0.005	// Higher means higher strength scaling contamination chance
+#define RAD_CONTAMINATION_STR_COEFFICIENT 0.3		// Higher means higher strength scaling contamination strength
 #define RAD_DISTANCE_COEFFICIENT 1					// Lower means further rad spread
 
-#define RAD_HALF_LIFE 150							// The half-life of contaminated objects
\ No newline at end of file
+#define RAD_HALF_LIFE 90							// The half-life of contaminated objects
\ No newline at end of file
diff --git a/code/__HELPERS/radiation.dm b/code/__HELPERS/radiation.dm
index 7cd3a1bbeb..8418cc8505 100644
--- a/code/__HELPERS/radiation.dm
+++ b/code/__HELPERS/radiation.dm
@@ -1,28 +1,28 @@
-/proc/get_rad_contents(atom/location, list/output=list()) // A special GetAllContents that doesn't search past things with rad insulation
-	. = output
-
-	if(!location)
-		return
-
-	output += location
-
-	var/datum/component/rad_insulation/insulation = location.GetComponent(/datum/component/rad_insulation)
-	if(insulation && insulation.protects)
-		return
-	
-	for(var/i in 1 to location.contents.len)
-		var/static/list/ignored_things = typecacheof(list( // These types will never have radiation applied to them or be looked inside of
+// A special GetAllContents that doesn't search past things with rad insulation
+// The protection var only protects the things inside from being affected.
+// The protecting object itself will get returned still.
+// The ignore list makes those objects never return at all
+/proc/get_rad_contents(atom/location)
+	var/list/processing_list = list(location)
+	. = list()
+	while(processing_list.len)
+		var/static/list/ignored_things = typecacheof(list(
 			/mob/dead,
 			/mob/camera,
 			/obj/effect,
 			/obj/docking_port,
-			/atom/movable/lighting_object
+			/atom/movable/lighting_object,
+			/obj/item/projectile
 			))
-
-		var/atom/thing = location.contents[i]
+		var/atom/thing = processing_list[1]
+		processing_list -= thing
 		if(ignored_things[thing.type])
 			continue
-		get_rad_contents(thing, output)
+		. += thing
+		var/datum/component/rad_insulation/insulation = thing.GetComponent(/datum/component/rad_insulation)
+		if(insulation && insulation.protects)
+			continue
+		processing_list += thing.contents
 
 /proc/radiation_pulse(atom/source, intensity, range_modifier, log=FALSE, can_contaminate=TRUE)
 	if(!SSradiation.can_fire)
diff --git a/code/controllers/subsystem/radiation.dm b/code/controllers/subsystem/radiation.dm
index 327d20732d..1dbe564169 100644
--- a/code/controllers/subsystem/radiation.dm
+++ b/code/controllers/subsystem/radiation.dm
@@ -1,4 +1,41 @@
 PROCESSING_SUBSYSTEM_DEF(radiation)
 	name = "Radiation"
 	flags = SS_NO_INIT | SS_BACKGROUND
-	priority = 25
\ No newline at end of file
+	priority = 25
+
+	var/list/warned_atoms = list()
+	var/list/next_warn = list()
+	var/last_warn = 0
+
+/datum/controller/subsystem/processing/radiation/proc/warn(datum/component/radioactive)
+	if(!radioactive || QDELETED(radioactive))
+		return
+	if(warned_atoms["\ref[radioactive.parent]"])
+		return
+	var/atom/master = radioactive.parent
+	SSblackbox.add_details("contaminated", "[master.type]")
+	next_warn["\ref[master]"] = "\ref[radioactive]"
+	var/wait_time = max(0, 500-(world.time-last_warn))+20 // wait at least 20 ticks, longer if we just messaged
+	addtimer(CALLBACK(src, .proc/send_warn), wait_time, TIMER_UNIQUE | TIMER_OVERRIDE)
+
+/datum/controller/subsystem/processing/radiation/proc/send_warn()
+	var/msg = "Atom(s) have become contaminated by radiation and are strong enough they could pass it on:"
+	var/still_alive = FALSE
+	var/list/next_warn = src.next_warn // It's free performance!
+	for(var/i in next_warn)
+		var/atom/parent = locate(i)
+		var/datum/component/radioactive/radioactive = locate(next_warn[i])
+		if(!parent || !istype(parent) || !radioactive || !istype(radioactive))
+			continue
+		if(!still_alive)
+			msg += "\n"
+			still_alive = TRUE
+		else
+			msg += ", "
+		msg += "[parent][ADMIN_VV(parent)]source:[radioactive.source]"
+	if(!still_alive)
+		return
+	warned_atoms += next_warn
+	src.next_warn = list()
+	last_warn = world.time
+	message_admins(msg)
\ No newline at end of file
diff --git a/code/datums/components/radioactive.dm b/code/datums/components/radioactive.dm
index 1661056e8c..b0bf28f163 100644
--- a/code/datums/components/radioactive.dm
+++ b/code/datums/components/radioactive.dm
@@ -27,6 +27,9 @@
 		CRASH("Something that wasn't an atom was given /datum/component/radioactive")
 		return
 
+	if(strength > RAD_MINIMUM_CONTAMINATION)
+		SSradiation.warn(src)
+
 	START_PROCESSING(SSradiation, src)
 
 /datum/component/radioactive/Destroy()
@@ -34,9 +37,8 @@
 	return ..()
 
 /datum/component/radioactive/process()
-	radiation_pulse(parent,strength,1,FALSE,can_contaminate)
-
 	if(hl3_release_date && prob(50))
+		radiation_pulse(parent, strength, RAD_DISTANCE_COEFFICIENT*2, FALSE, can_contaminate)
 		strength -= strength / hl3_release_date
 		if(strength <= RAD_BACKGROUND_RADIATION)
 			qdel(src)
@@ -48,7 +50,6 @@
 		return
 	var/datum/component/radioactive/other = C
 	strength = max(strength, other.strength)
-	return
 
 /datum/component/radioactive/proc/rad_examine(mob/user, atom/thing)
 	var/atom/master = parent
@@ -69,6 +70,7 @@
 /datum/component/radioactive/proc/rad_attack(atom/movable/target, mob/living/user)
 	radiation_pulse(parent, strength/20)
 	target.rad_act(strength/2)
+	strength -= strength / hl3_release_date
 
 #undef RAD_AMOUNT_LOW
 #undef RAD_AMOUNT_MEDIUM
diff --git a/code/datums/looping_sounds/item_sounds.dm b/code/datums/looping_sounds/item_sounds.dm
new file mode 100644
index 0000000000..2eb897bc13
--- /dev/null
+++ b/code/datums/looping_sounds/item_sounds.dm
@@ -0,0 +1,37 @@
+#define RAD_GEIGER_LOW 100							// Geiger counter sound thresholds
+#define RAD_GEIGER_MEDIUM 500
+#define RAD_GEIGER_HIGH 1000
+
+/datum/looping_sound/geiger
+	mid_sounds = list(
+		list('sound/items/geiger/low1.ogg'=1, 'sound/items/geiger/low2.ogg'=1, 'sound/items/geiger/low3.ogg'=1, 'sound/items/geiger/low4.ogg'=1),
+		list('sound/items/geiger/med1.ogg'=1, 'sound/items/geiger/med2.ogg'=1, 'sound/items/geiger/med3.ogg'=1, 'sound/items/geiger/med4.ogg'=1),
+		list('sound/items/geiger/high1.ogg'=1, 'sound/items/geiger/high2.ogg'=1, 'sound/items/geiger/high3.ogg'=1, 'sound/items/geiger/high4.ogg'=1),
+		list('sound/items/geiger/ext1.ogg'=1, 'sound/items/geiger/ext2.ogg'=1, 'sound/items/geiger/ext3.ogg'=1, 'sound/items/geiger/ext4.ogg'=1)
+		)
+	mid_length = 2
+	volume = 25
+	var/last_radiation
+
+/datum/looping_sound/geiger/get_sound(looped)
+	var/danger
+	switch(last_radiation)
+		if(RAD_BACKGROUND_RADIATION to RAD_GEIGER_LOW)
+			danger = 1
+		if(RAD_GEIGER_LOW to RAD_GEIGER_MEDIUM)
+			danger = 2
+		if(RAD_GEIGER_MEDIUM to RAD_GEIGER_HIGH)
+			danger = 3
+		if(RAD_GEIGER_HIGH to INFINITY)
+			danger = 4
+		else
+			return null
+	return ..(looped, mid_sounds[danger])
+
+/datum/looping_sound/geiger/stop()
+	. = ..()
+	last_radiation = 0
+
+#undef RAD_GEIGER_LOW
+#undef RAD_GEIGER_MEDIUM
+#undef RAD_GEIGER_HIGH
\ No newline at end of file
diff --git a/code/datums/looping_sounds/looping_sound.dm b/code/datums/looping_sounds/looping_sound.dm
index 2374da67b4..aed7c3ace8 100644
--- a/code/datums/looping_sounds/looping_sound.dm
+++ b/code/datums/looping_sounds/looping_sound.dm
@@ -1,5 +1,5 @@
 /*
-	list/atom/output_atoms
+	output_atoms	(list of atoms)			The destination(s) for the sounds
 
 	mid_sounds		(list or soundfile)		Since this can be either a list or a single soundfile you can have random sounds. May contain further lists but must contain a soundfile at the end.
 	mid_length		(num)					The length to wait between playing mid_sounds
@@ -13,6 +13,7 @@
 	volume			(num)					Sound output volume
 	muted			(bool)					Private. Used to stop the sound loop.
 	max_loops		(num)					The max amount of loops to run for.
+	direct			(bool)					If true plays directly to provided atoms instead of from them
 */
 /datum/looping_sound
 	var/list/atom/output_atoms
@@ -22,19 +23,18 @@
 	var/start_length
 	var/end_sound
 	var/chance
-	var/volume
+	var/volume = 100
 	var/muted = TRUE
 	var/max_loops
+	var/direct
 
-/datum/looping_sound/New(list/_output_atoms, start_immediately=FALSE)
+/datum/looping_sound/New(list/_output_atoms=list(), start_immediately=FALSE, _direct=FALSE)
 	if(!mid_sounds)
 		WARNING("A looping sound datum was created without sounds to play.")
 		return
 
-	if(_output_atoms)
-		output_atoms = _output_atoms
-	else
-		output_atoms = list()
+	output_atoms = _output_atoms
+	direct = _direct
 
 	if(start_immediately)
 		start()
@@ -44,13 +44,17 @@
 	output_atoms = null
 	return ..()
 
-/datum/looping_sound/proc/start()
+/datum/looping_sound/proc/start(atom/add_thing)
+	if(add_thing)
+		output_atoms |= add_thing
 	if(!muted)
 		return
 	muted = FALSE
 	on_start()
 
-/datum/looping_sound/proc/stop()
+/datum/looping_sound/proc/stop(atom/remove_thing)
+	if(remove_thing)
+		output_atoms -= remove_thing
 	if(muted)
 		return
 	muted = TRUE
@@ -65,9 +69,16 @@
 
 /datum/looping_sound/proc/play(soundfile)
 	var/list/atoms_cache = output_atoms
+	var/sound/S = sound(soundfile)
+	if(direct)
+		S.channel = open_sound_channel()
+		S.volume = volume
 	for(var/i in 1 to atoms_cache.len)
 		var/atom/thing = atoms_cache[i]
-		playsound(thing, soundfile, volume)
+		if(direct)
+			SEND_SOUND(thing, S)
+		else
+			playsound(thing, S, volume)
 
 /datum/looping_sound/proc/get_sound(looped, _mid_sounds)
 	if(!_mid_sounds)
diff --git a/code/datums/radiation_wave.dm b/code/datums/radiation_wave.dm
index 5a02997b00..ffc6b75fcb 100644
--- a/code/datums/radiation_wave.dm
+++ b/code/datums/radiation_wave.dm
@@ -89,18 +89,24 @@
 			continue
 		thing.rad_act(strength)
 
-		var/static/list/blacklisted = typecacheof(list( //These types will never be contaminated
+		// This list should only be for types which don't get contaminated but you want to look in their contents
+		// If you don't want to look in their contents and you don't want to rad_act them: 
+		// modify the ignored_things list in __HELPERS/radiation.dm instead
+		var/static/list/blacklisted = typecacheof(list(
 			/turf,
 			/mob,
 			/obj/structure/cable,
-			/obj/machinery/atmospherics
+			/obj/machinery/atmospherics,
+			/obj/item/ammo_casing,
+			/obj/item/implant
 			))
 		if(!can_contaminate || blacklisted[thing.type])
 			continue
-		if(prob((strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_CHANCE_COEFFICIENT * min(1/(steps*range_modifier), 1))) // Only stronk rads get to have little baby rads
+		var/contamination_chance = (strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_CHANCE_COEFFICIENT * min(1, 1/(steps*range_modifier))
+		if(prob(contamination_chance)) // Only stronk rads get to have little baby rads
 			var/datum/component/rad_insulation/insulation = thing.GetComponent(/datum/component/rad_insulation)
 			if(insulation && insulation.contamination_proof)
 				continue
 			else
-				var/rad_strength = (strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_STR_COEFFICIENT * min(1/(steps*range_modifier), 1)
+				var/rad_strength = (strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_STR_COEFFICIENT
 				thing.AddComponent(/datum/component/radioactive, rad_strength, source)
\ No newline at end of file
diff --git a/code/game/machinery/suit_storage_unit.dm b/code/game/machinery/suit_storage_unit.dm
index 0854e63e5b..d3825b9afe 100644
--- a/code/game/machinery/suit_storage_unit.dm
+++ b/code/game/machinery/suit_storage_unit.dm
@@ -210,7 +210,7 @@
 				mob_occupant.adjustFireLoss(rand(20, 36))
 			else
 				mob_occupant.adjustFireLoss(rand(10, 16))
-			mob_occupant.emote("scream")
+			mob_occupant.emote("scream") 
 		addtimer(CALLBACK(src, .proc/cook), 50)
 	else
 		uv_cycles = initial(uv_cycles)
@@ -238,6 +238,9 @@
 			for(var/obj/item/I in src) //Scorches away blood and forensic evidence, although the SSU itself is unaffected
 				I.clean_blood()
 				I.fingerprints = list()
+				var/datum/component/radioactive/contamination = I.GetComponent(/datum/component/radioactive)
+				if(contamination)
+					qdel(contamination)
 		open_machine(FALSE)
 		if(occupant)
 			dump_contents()
diff --git a/code/game/objects/items/devices/geiger_counter.dm b/code/game/objects/items/devices/geiger_counter.dm
index 92b76e0f6e..03e4ff123a 100644
--- a/code/game/objects/items/devices/geiger_counter.dm
+++ b/code/game/objects/items/devices/geiger_counter.dm
@@ -19,15 +19,8 @@
 	slot_flags = SLOT_BELT
 	materials = list(MAT_METAL = 150, MAT_GLASS = 150)
 
-	var/muted = TRUE
-	var/danger = 0
 	var/grace = RAD_GRACE_PERIOD
-	var/static/list/sounds = list( //hah, static. get it?
-		list('sound/items/geiger/low1.ogg'=1, 'sound/items/geiger/low2.ogg'=1, 'sound/items/geiger/low3.ogg'=1, 'sound/items/geiger/low4.ogg'=1),
-		list('sound/items/geiger/med1.ogg'=1, 'sound/items/geiger/med2.ogg'=1, 'sound/items/geiger/med3.ogg'=1, 'sound/items/geiger/med4.ogg'=1),
-		list('sound/items/geiger/high1.ogg'=1, 'sound/items/geiger/high2.ogg'=1, 'sound/items/geiger/high3.ogg'=1, 'sound/items/geiger/high4.ogg'=1),
-		list('sound/items/geiger/ext1.ogg'=1, 'sound/items/geiger/ext2.ogg'=1, 'sound/items/geiger/ext3.ogg'=1, 'sound/items/geiger/ext4.ogg'=1)
-		)
+	var/datum/looping_sound/geiger/soundloop
 
 	var/scanning = FALSE
 	var/radiation_count = 0
@@ -40,7 +33,7 @@
 	. = ..()
 	START_PROCESSING(SSobj, src)
 
-	soundLoop()
+	soundloop = new(list(src), FALSE)
 
 /obj/item/device/geiger_counter/Destroy()
 	STOP_PROCESSING(SSobj, src)
@@ -48,6 +41,7 @@
 
 /obj/item/device/geiger_counter/process()
 	update_icon()
+	update_sound()
 
 	if(!scanning)
 		current_tick_amount = 0
@@ -64,8 +58,6 @@
 		grace--
 		if(grace <= 0)
 			radiation_count = 0
-	
-	update_sound()
 
 	current_tick_amount = 0
 
@@ -116,28 +108,15 @@
 	..()
 
 /obj/item/device/geiger_counter/proc/update_sound()
-	switch(radiation_count)
-		if(RAD_BACKGROUND_RADIATION to RAD_LEVEL_MODERATE)
-			danger = 1
-		if(RAD_LEVEL_MODERATE to RAD_LEVEL_VERY_HIGH)
-			danger = 2
-		if(RAD_LEVEL_VERY_HIGH to RAD_LEVEL_CRITICAL)
-			danger = 3
-		if(RAD_LEVEL_CRITICAL to INFINITY)
-			danger = 4
-		else
-			danger = 0
-	if(!danger)
-		muted = TRUE
-	else if(muted)
-		muted = FALSE
-		soundLoop()
-
-/obj/item/device/geiger_counter/proc/soundLoop()
-	if(muted || !danger)
+	var/datum/looping_sound/geiger/loop = soundloop
+	if(!scanning)
+		loop.stop()
 		return
-	playsound(src, pickweight(sounds[danger]), 25)
-	addtimer(CALLBACK(src, .proc/soundLoop), 2)
+	if(!radiation_count)
+		loop.stop()
+		return
+	loop.last_radiation = radiation_count
+	loop.start()
 
 /obj/item/device/geiger_counter/rad_act(amount)
 	if(amount <= RAD_BACKGROUND_RADIATION || !scanning)
@@ -147,11 +126,6 @@
 
 /obj/item/device/geiger_counter/attack_self(mob/user)
 	scanning = !scanning
-	if(!scanning)
-		muted = TRUE
-	else
-		muted = FALSE
-		soundLoop()
 	update_icon()
 	to_chat(user, "<span class='notice'>[icon2html(src, user)] You switch [scanning ? "on" : "off"] [src].</span>")
 
diff --git a/code/modules/clothing/spacesuits/hardsuit.dm b/code/modules/clothing/spacesuits/hardsuit.dm
index a604eae015..75a63352e2 100644
--- a/code/modules/clothing/spacesuits/hardsuit.dm
+++ b/code/modules/clothing/spacesuits/hardsuit.dm
@@ -13,6 +13,20 @@
 	item_color = "engineering" //Determines used sprites: hardsuit[on]-[color] and hardsuit[on]-[color]2 (lying down sprite)
 	actions_types = list(/datum/action/item_action/toggle_helmet_light)
 
+	var/rad_count = 0
+	var/rad_record = 0
+	var/grace_count = 0
+	var/datum/looping_sound/geiger/soundloop
+
+/obj/item/clothing/head/helmet/space/hardsuit/Initialize()
+	. = ..()
+	soundloop = new(list(), FALSE, TRUE)
+	soundloop.volume = 5
+	START_PROCESSING(SSobj, src)
+
+/obj/item/clothing/head/helmet/space/hardsuit/Destroy()
+	. = ..()
+	STOP_PROCESSING(SSobj, src)
 
 /obj/item/clothing/head/helmet/space/hardsuit/attack_self(mob/user)
 	on = !on
@@ -31,6 +45,7 @@
 	..()
 	if(suit)
 		suit.RemoveHelmet()
+		soundloop.stop(user)
 
 /obj/item/clothing/head/helmet/space/hardsuit/item_action_slot_check(slot)
 	if(slot == slot_head)
@@ -41,8 +56,11 @@
 	if(slot != slot_head)
 		if(suit)
 			suit.RemoveHelmet()
+			soundloop.stop(user)
 		else
 			qdel(src)
+	else
+		soundloop.start(user)
 
 /obj/item/clothing/head/helmet/space/hardsuit/proc/display_visor_message(var/msg)
 	var/mob/wearer = loc
@@ -50,9 +68,22 @@
 		wearer.show_message("[icon2html(src, wearer)]<b><span class='robot'>[msg]</span></b>", 1)
 
 /obj/item/clothing/head/helmet/space/hardsuit/rad_act(severity)
-	..()
-	if(severity > RAD_AMOUNT_EXTREME)
-		display_visor_message("Radiation pulse detected! Magnitude: <span class='green'>[severity]</span> RADs.")
+	. = ..()
+	rad_count += severity
+
+/obj/item/clothing/head/helmet/space/hardsuit/process()
+	if(!rad_count)
+		grace_count++
+		if(grace_count == 2)
+			soundloop.last_radiation = 0
+		return
+
+	grace_count = 0
+	rad_record -= rad_record/5
+	rad_record += rad_count/5
+	rad_count = 0
+
+	soundloop.last_radiation = rad_record
 
 /obj/item/clothing/head/helmet/space/hardsuit/emp_act(severity)
 	..()
diff --git a/code/modules/clothing/suits/utility.dm b/code/modules/clothing/suits/utility.dm
index 38fbe299f5..c70c4f341c 100644
--- a/code/modules/clothing/suits/utility.dm
+++ b/code/modules/clothing/suits/utility.dm
@@ -112,8 +112,9 @@
 	item_state = "bombsuit_white"
 
 /*
- * Radiation protection
- */
+* Radiation protection
+*/
+
 /obj/item/clothing/head/radiation
 	name = "radiation hood"
 	icon_state = "rad"
diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index 87092e580c..0cdcd90e61 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -898,14 +898,17 @@
 		to_chat(G, "<span class='holoparasite'>Your summoner has changed form!</span>")
 
 /mob/living/rad_act(amount)
-	amount = max(amount-RAD_BACKGROUND_RADIATION, 0)
+	if(!amount || amount < RAD_MOB_SKIN_PROTECTION)
+		return
 
-	if(amount)
-		var/blocked = getarmor(null, "rad")
+	amount -= RAD_BACKGROUND_RADIATION // This will always be at least 1 because of how skin protection is calculated
 
-		apply_effect(amount * RAD_MOB_COEFFICIENT, IRRADIATE, blocked)
-		if(amount > RAD_AMOUNT_EXTREME)
-			apply_damage((amount-RAD_AMOUNT_EXTREME)/RAD_AMOUNT_EXTREME, BURN, null, blocked)
+	var/blocked = getarmor(null, "rad")
+
+	if(amount > RAD_BURN_THRESHOLD)
+		apply_damage((amount-RAD_BURN_THRESHOLD)/RAD_BURN_THRESHOLD, BURN, null, blocked)
+
+	apply_effect((amount*RAD_MOB_COEFFICIENT)/max(1, (radiation**2)*RAD_OVERDOSE_REDUCTION), IRRADIATE, blocked)
 
 /mob/living/proc/fakefireextinguish()
 	return
diff --git a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
index b83e651eda..716f8a70aa 100644
--- a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
@@ -454,7 +454,7 @@
 
 /datum/reagent/medicine/potass_iodide/on_mob_life(mob/living/M)
 	if(M.radiation > 0)
-		M.radiation -= min(M.radiation, 4)
+		M.radiation -= min(M.radiation, 8)
 	..()
 
 /datum/reagent/medicine/pen_acid
@@ -466,7 +466,7 @@
 	metabolization_rate = 0.5 * REAGENTS_METABOLISM
 
 /datum/reagent/medicine/pen_acid/on_mob_life(mob/living/M)
-	M.radiation -= max(M.radiation-RAD_MOB_SAFE, 0)/100
+	M.radiation -= max(M.radiation-RAD_MOB_SAFE, 0)/50
 	M.adjustToxLoss(-2*REM, 0)
 	for(var/datum/reagent/R in M.reagents.reagent_list)
 		if(R != src)
diff --git a/tgstation.dme b/tgstation.dme
index 912f3cc89e..e803290298 100755
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -377,6 +377,7 @@
 #include "code\datums\helper_datums\icon_snapshot.dm"
 #include "code\datums\helper_datums\teleport.dm"
 #include "code\datums\helper_datums\topic_input.dm"
+#include "code\datums\looping_sounds\item_sounds.dm"
 #include "code\datums\looping_sounds\looping_sound.dm"
 #include "code\datums\looping_sounds\machinery_sounds.dm"
 #include "code\datums\martial\boxing.dm"