a few last minute changes from TG

also changes His Grace from 25 to 10 requirments

code/modules/atmospherics/gasmixtures/gas_mixture.dm

@@ -444,13 +444,13 @@ GLOBAL_LIST_INIT(gaslist_cache, init_gaslist_cache())
 				PLEASE DO NOT REMOVE THIS CODE. the commenting is here only for a performance increase.
 				enabling these checks should be as easy as possible and the fact that they are disabled should be as clear as possible
 
-			var/list/max_reqs = reaction.max_requirements.Copy()
+			var/list/max_reqs = reaction.max_requirements
 			if((max_reqs["TEMP"] && temp > max_reqs["TEMP"]) \
 			|| (max_reqs["ENER"] && ener > max_reqs["ENER"]))
 				continue
-			max_reqs -= "TEMP"
-			max_reqs -= "ENER"
 			for(var/id in max_reqs)
+				if(id == "TEMP" || id == "ENER")
+					continue
 				if(cached_gases[id] && cached_gases[id][MOLES] > max_reqs[id])
 					continue reaction_loop
 			//at this point, all requirements for the reaction are satisfied. we can now react()

code/modules/atmospherics/gasmixtures/reactions.dm

@@ -455,6 +455,7 @@
 	//Replace miasma with oxygen
 	var/cleaned_air = min(cached_gases[/datum/gas/miasma][MOLES], 20 + (air.temperature - FIRE_MINIMUM_TEMPERATURE_TO_EXIST - 70) / 20)
 	cached_gases[/datum/gas/miasma][MOLES] -= cleaned_air
+	ASSERT_GAS(/datum/gas/oxygen,air)
 	cached_gases[/datum/gas/oxygen][MOLES] += cleaned_air
 
 	//Possibly burning a bit of organic matter through maillard reaction, so a *tiny* bit more heat would be understandable

code/modules/atmospherics/machinery/portable/canister.dm

@@ -480,6 +480,7 @@
 		if("eject")
 			if(holding)
 				if(valve_open)
+					message_admins("[ADMIN_LOOKUPFLW(usr)] removed [holding] from [src] with valve still open at [ADMIN_VERBOSEJMP(src)] releasing contents into the <span class='boldannounce'>air</span><br>.")
 					investigate_log("[key_name(usr)] removed the [holding], leaving the valve open and transferring into the <span class='boldannounce'>air</span><br>", INVESTIGATE_ATMOS)
 				holding.forceMove(get_turf(src))
 				holding = null