diff --git a/library/include/dfhack/modules/Items.h b/library/include/dfhack/modules/Items.h
index 3a06d0276..c7fda099e 100644
--- a/library/include/dfhack/modules/Items.h
+++ b/library/include/dfhack/modules/Items.h
@@ -105,6 +105,11 @@ struct t_itemref : public t_virtual
     int32_t value;
 };
 
+struct df_contaminant
+{
+    // fixme: figure it out
+};
+
 /**
  * A partial mirror of a DF base type for items
  * \ingroup grp_items
@@ -125,7 +130,22 @@ public:
     uint32_t id;
     // 18
     std::vector<void *> unk1;
+    // 24 L, 28 W
     std::vector<t_itemref *> itemrefs;
+    // 30 L, 38 W - these were mostly unset (0xCC with malloc patch)
+    int16_t mystery_meat[12];
+    // 48 L, 50 W
+    int32_t mystery1;
+    // 4C L, 54 W
+    int32_t mystery2;
+    // 50 L, 58 W
+    int32_t mystery3;
+    // 54 L, 5C W
+    int32_t mystery4;
+    // 58 L, 60 W
+    int32_t mystery5;
+    // 5C L, 64 W - pointer to vector of contaminants
+    std::vector <df_contaminant *> * contaminants;
 public:
     // 0x0
     virtual int32_t getType();
diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index 844e7cabe..ccd74e42c 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -33,6 +33,7 @@ DFHACK_PLUGIN(plants plants.cpp)
 DFHACK_PLUGIN(fastdwarf fastdwarf.cpp)
 DFHACK_PLUGIN(prospector prospector.cpp)
 DFHACK_PLUGIN(cleanmap cleanmap.cpp)
+DFHACK_PLUGIN(cleanitems cleanitems.cpp)
 DFHACK_PLUGIN(weather weather.cpp)
 DFHACK_PLUGIN(vdig vdig.cpp)
 DFHACK_PLUGIN(colonies colonies.cpp)
diff --git a/plugins/cleanitems.cpp b/plugins/cleanitems.cpp
index 5238614a9..4c7386c0b 100644
--- a/plugins/cleanitems.cpp
+++ b/plugins/cleanitems.cpp
@@ -22,61 +22,58 @@ DFhackCExport command_result df_cleanitems (Core * c, vector <string> & paramete
 
 DFhackCExport const char * plugin_name ( void )
 {
-	return "cleanitems";
+    return "cleanitems";
 }
 
 DFhackCExport command_result plugin_init ( Core * c, std::vector <PluginCommand> &commands)
 {
-	commands.clear();
-	commands.push_back(PluginCommand("cleanitems", "Removes contaminants from items.", df_cleanitems));
-	return CR_OK;
+    commands.clear();
+    commands.push_back(PluginCommand("cleanitems", "Removes contaminants from items.", df_cleanitems));
+    return CR_OK;
 }
 
 DFhackCExport command_result plugin_shutdown ( Core * c )
 {
-	return CR_OK;
+    return CR_OK;
 }
 
 DFhackCExport command_result df_cleanitems (Core * c, vector <string> & parameters)
 {
-	if(parameters.size() > 0)
-	{
-		string & p = parameters[0];
-		if(p == "?" || p == "help")
-		{
-			c->con.print("This utility removes all contaminants from all objects in your fortress.\n");
-			return CR_OK;
-		}
-	}
-	c->Suspend();
-	DFHack::Items * Items = c->getItems();
+    if(parameters.size() > 0)
+    {
+        string & p = parameters[0];
+        if(p == "?" || p == "help")
+        {
+            c->con.print("This utility removes all contaminants from all objects in your fortress.\n");
+            return CR_OK;
+        }
+    }
+    c->Suspend();
+    DFHack::Items * Items = c->getItems();
 
-	vector <t_item*> p_items;
-	if(!Items->readItemVector(p_items))
-	{
-		c->con.printerr("Can't access the item vector.\n");
-		c->Resume();
-		return CR_FAILURE;
-	}
-	std::size_t numItems = p_items.size();
+    vector <df_item*> p_items;
+    if(!Items->readItemVector(p_items))
+    {
+        c->con.printerr("Can't access the item vector.\n");
+        c->Resume();
+        return CR_FAILURE;
+    }
+    std::size_t numItems = p_items.size();
 
-	int cleaned_items = 0, cleaned_total = 0;
-	for (std::size_t i = 0; i < numItems; i++)
-	{
-		t_item * itm = p_items[i];
-		// TODO - get peterix to expand the item base class so it includes this pointer
-		uint32_t cont_ptr = *(uint32_t *)((int8_t *)itm + 0x0064);
-		if (!cont_ptr)
-			continue;
-		std::vector<void *> *contaminants = (std::vector<void *> *)cont_ptr;
-		if (contaminants->size())
-		{
-			cleaned_items++;
-			cleaned_total += contaminants->size();
-			contaminants->clear();
-		}
-	}
-	c->Resume();
-	c->con.print("Done. %d items cleaned of %d contaminants.\n", cleaned_items, cleaned_total);
-	return CR_OK;
+    int cleaned_items = 0, cleaned_total = 0;
+    for (std::size_t i = 0; i < numItems; i++)
+    {
+        df_item * itm = p_items[i];
+        if(!itm->contaminants)
+            continue;
+        if (itm->contaminants->size())
+        {
+            cleaned_items++;
+            cleaned_total += itm->contaminants->size();
+            itm->contaminants->clear();
+        }
+    }
+    c->Resume();
+    c->con.print("Done. %d items cleaned of %d contaminants.\n", cleaned_items, cleaned_total);
+    return CR_OK;
 }
\ No newline at end of file