diff --git a/supervisor/session/coordinator.lua b/supervisor/session/coordinator.lua
index b146a1d..03b0eb7 100644
--- a/supervisor/session/coordinator.lua
+++ b/supervisor/session/coordinator.lua
@@ -380,7 +380,7 @@ function coordinator.new_session(id, in_queue, out_queue, facility)
 
             -- exit if connection was closed
             if not self.connected then
-                println("connection to coordinator " .. id .. " closed by remote host")
+                println("connection to coordinator closed by remote host")
                 log.info(log_header .. "session closed by remote host")
                 return self.connected
             end
diff --git a/supervisor/session/rtu.lua b/supervisor/session/rtu.lua
index b5a72b2..01a32c3 100644
--- a/supervisor/session/rtu.lua
+++ b/supervisor/session/rtu.lua
@@ -332,7 +332,7 @@ function rtu.new_session(id, in_queue, out_queue, advertisement, facility)
 
             -- exit if connection was closed
             if not self.connected then
-                println(log_header .. "connection to RTU closed by remote host")
+                println("RTU connection " .. id .. " closed by remote host")
                 log.info(log_header .. "session closed by remote host")
                 return self.connected
             end
diff --git a/supervisor/session/svsessions.lua b/supervisor/session/svsessions.lua
index 10b5b96..04e2f5e 100644
--- a/supervisor/session/svsessions.lua
+++ b/supervisor/session/svsessions.lua
@@ -135,7 +135,7 @@ local function _shutdown(session)
         end
     end
 
-    log.debug("closed session " .. session.instance.get_id() .. " on remote port " .. session.r_port)
+    log.debug(util.c("closed ", session.s_type, " session ", session.instance.get_id(), " on remote port ", session.r_port))
 end
 
 -- close connections
@@ -158,7 +158,8 @@ local function _check_watchdogs(sessions, timer_event)
         if session.open then
             local triggered = session.instance.check_wd(timer_event)
             if triggered then
-                log.debug("watchdog closing session " .. session.instance.get_id() .. " on remote port " .. session.r_port .. "...")
+                log.debug(util.c("watchdog closing ", session.s_type, " session ", session.instance.get_id(),
+                    " on remote port ", session.r_port, "..."))
                 _shutdown(session)
             end
         end
@@ -171,7 +172,8 @@ local function _free_closed(sessions)
     local f = function (session) return session.open end
 
     local on_delete = function (session)
-        log.debug("free'ing closed session " .. session.instance.get_id() .. " on remote port " .. session.r_port)
+        log.debug(util.c("free'ing closed ", session.s_type, " session ", session.instance.get_id(),
+            " on remote port ", session.r_port))
     end
 
     util.filter_table(sessions, f, on_delete)
@@ -296,7 +298,7 @@ function svsessions.establish_plc_session(local_port, remote_port, for_reactor,
         local units = self.facility.get_units()
         units[for_reactor].link_plc_session(plc_s)
 
-        log.debug("established new PLC session to " .. remote_port .. " with ID " .. self.next_plc_id)
+        log.debug(util.c("established new PLC session to ", remote_port, " with ID ", self.next_plc_id, " for reactor ", for_reactor))
 
         self.next_plc_id = self.next_plc_id + 1
 
diff --git a/supervisor/session/unit.lua b/supervisor/session/unit.lua
index fc22ed6..d3665c4 100644
--- a/supervisor/session/unit.lua
+++ b/supervisor/session/unit.lua
@@ -88,11 +88,39 @@ function unit.new(for_reactor, num_boilers, num_turbines)
         -- logic for alarms
         had_reactor = false,
         last_rate_change_ms = 0,
+        ---@type rps_status
+        last_rps_trips = {
+            dmg_crit = false,
+            high_temp = false,
+            no_cool = false,
+            ex_waste = false,
+            ex_hcool = false,
+            no_fuel = false,
+            fault = false,
+            timeout = false,
+            manual = false,
+            automatic = false,
+            sys_fail = false,
+            force_dis = false
+        },
         plc_cache = {
             active = false,
             ok = false,
-            rps_trip = false,
-            rps_status = {},  ---@type rps_status
+            ---@type rps_status
+            rps_status = {
+                dmg_crit = false,
+                high_temp = false,
+                no_cool = false,
+                ex_waste = false,
+                ex_hcool = false,
+                no_fuel = false,
+                fault = false,
+                timeout = false,
+                manual = false,
+                automatic = false,
+                sys_fail = false,
+                force_dis = false
+            },
             damage = 0,
             temp = 0,
             waste = 0
@@ -118,11 +146,11 @@ function unit.new(for_reactor, num_boilers, num_turbines)
             -- waste >85%
             ReactorHighWaste     = { state = AISTATE.INACTIVE, trip_time = 0, hold_time = 2, id = ALARM.ReactorHighWaste, tier = PRIO.TIMELY },
             -- RPS trip occured
-            RPSTransient         = { state = AISTATE.INACTIVE, trip_time = 0, hold_time = 0, id = ALARM.RPSTransient, tier = PRIO.URGENT },
+            RPSTransient         = { state = AISTATE.INACTIVE, trip_time = 0, hold_time = 1, id = ALARM.RPSTransient, tier = PRIO.URGENT },
             -- BoilRateMismatch, CoolantFeedMismatch, SteamFeedMismatch, MaxWaterReturnFeed
             RCSTransient         = { state = AISTATE.INACTIVE, trip_time = 0, hold_time = 5, id = ALARM.RCSTransient, tier = PRIO.TIMELY },
             -- "It's just a routine turbin' trip!" -Bill Gibson, "The China Syndrome"
-            TurbineTrip          = { state = AISTATE.INACTIVE, trip_time = 0, hold_time = 0, id = ALARM.TurbineTrip, tier = PRIO.URGENT }
+            TurbineTrip          = { state = AISTATE.INACTIVE, trip_time = 0, hold_time = 1, id = ALARM.TurbineTrip, tier = PRIO.URGENT }
         },
         ---@class unit_db
         db = {
diff --git a/supervisor/session/unitlogic.lua b/supervisor/session/unitlogic.lua
index ab96a11..369f761 100644
--- a/supervisor/session/unitlogic.lua
+++ b/supervisor/session/unitlogic.lua
@@ -397,10 +397,12 @@ function logic.update_alarms(self)
     _update_alarm_state(self, plc_cache.damage >= 100, self.alarms.CriticalDamage)
 
     -- Reactor Damage
-    _update_alarm_state(self, plc_cache.damage > 0, self.alarms.ReactorDamage)
+    local rps_dmg_90 = plc_cache.rps_status.dmg_crit and not self.last_rps_trips.dmg_crit
+    _update_alarm_state(self, (plc_cache.damage > 0) or rps_dmg_90, self.alarms.ReactorDamage)
 
     -- Over-Temperature
-    _update_alarm_state(self, plc_cache.temp >= 1200, self.alarms.ReactorOverTemp)
+    local rps_high_temp = plc_cache.rps_status.high_temp and not self.last_rps_trips.high_temp
+    _update_alarm_state(self, (plc_cache.temp >= 1200) or rps_high_temp, self.alarms.ReactorOverTemp)
 
     -- High Temperature
     _update_alarm_state(self, plc_cache.temp > 1150, self.alarms.ReactorHighTemp)
@@ -409,7 +411,8 @@ function logic.update_alarms(self)
     _update_alarm_state(self, plc_cache.waste >= 0.99, self.alarms.ReactorWasteLeak)
 
     -- High Waste
-    _update_alarm_state(self, plc_cache.waste > 0.50, self.alarms.ReactorHighWaste)
+    local rps_high_waste = plc_cache.rps_status.ex_waste and not self.last_rps_trips.ex_waste
+    _update_alarm_state(self, (plc_cache.waste > 0.50) or rps_high_waste, self.alarms.ReactorHighWaste)
 
     -- RPS Transient (excludes timeouts and manual trips)
     local rps_alarm = false
@@ -444,6 +447,11 @@ function logic.update_alarms(self)
     local any_trip = false
     for i = 1, #annunc.TurbineTrip do any_trip = any_trip or annunc.TurbineTrip[i] end
     _update_alarm_state(self, any_trip, self.alarms.TurbineTrip)
+
+    -- update last trips table
+    for key, val in pairs(plc_cache.rps_status) do
+        self.last_rps_trips[key] = val
+    end
 end
 
 -- update the two unit status text messages
diff --git a/supervisor/startup.lua b/supervisor/startup.lua
index bb27074..ee39614 100644
--- a/supervisor/startup.lua
+++ b/supervisor/startup.lua
@@ -14,7 +14,7 @@ local svsessions = require("supervisor.session.svsessions")
 local config     = require("supervisor.config")
 local supervisor = require("supervisor.supervisor")
 
-local SUPERVISOR_VERSION = "beta-v0.10.0"
+local SUPERVISOR_VERSION = "beta-v0.10.1"
 
 local print = util.print
 local println = util.println