diff --git a/run/main.c b/run/main.c
index c2480b1..bda132f 100644
--- a/run/main.c
+++ b/run/main.c
@@ -5,9 +5,9 @@
 #define   MAXMSG         255       /* Max. # characters in message text      */
 #define   MAXWARNCODE    99      
 /* text copied here, no more need of include "text.h" */
-#define FMT01  "\nEPANET Version %d.%d.%d\n"
+#define FMT01  "\nEPANET Version %d.%d.%d"
 #define FMT03  "\n Correct syntax is:\n %s <input file> <output file>\n"
-#define FMT09  "\nEPANET completed.\n"
+#define FMT09  "\n\nEPANET completed."
 #define FMT10  "\nEPANET completed. There are warnings."
 #define FMT11  "\nEPANET completed. There are errors."
 
@@ -87,7 +87,8 @@ int   main(int argc, char *argv[])
   /* Call the main control function */
   if (strlen(f2)> 0) {
      /* use stdout for progress messages */
-     errcode = ENepanet(f1,f2,f3,writeConsole);
+     //errcode = ENepanet(f1,f2,f3,writeConsole);
+     errcode = ENepanet(f1, f2, f3, NULL);
   }
   else {
      /* use stdout for reporting, no progress messages */
@@ -101,21 +102,21 @@ int   main(int argc, char *argv[])
      return(0);
   }
   else {
+     if (errcode > MAXWARNCODE) printf("\n    Fatal Error: ");
      ENgeterror(errcode, errmsg, MAXMSG);
      writeConsole(errmsg);
      if (errcode > MAXWARNCODE) {
-     	/* error */
+     	// error //
         writeConsole(FMT11);
         return(errcode);
      }
      else {
-     	  /* warning */
+     	  // warning //
         writeConsole(FMT10);
         return(0);
      }
   }
 
-
 }                                       /* End of main */
 
 
diff --git a/src/epanet.c b/src/epanet.c
index b4768ed..b8f476c 100644
--- a/src/epanet.c
+++ b/src/epanet.c
@@ -108,6 +108,10 @@ execute function x and set the error code equal to its return value.
 #ifdef __WIN32__
 #define WINDOWS
 #endif
+#ifdef WINDOWS
+#include <windows.h>
+#endif
+
 /************************************************************/
 
 #include <stdio.h>
@@ -166,218 +170,295 @@ int DLLEXPORT ENepanet(char *f1, char *f2, char *f3,
   EN_free(_defaultModel);
   return (errcode);
 }
+
 int DLLEXPORT ENopen(char *f1, char *f2, char *f3) {
   int errcode = 0;
   ERRCODE(EN_alloc(&_defaultModel));
   EN_open(_defaultModel, f1, f2, f3);
   return (errcode);
 }
+
 int DLLEXPORT ENsaveinpfile(char *filename) {
   return EN_saveinpfile(_defaultModel, filename);
 }
+
 int DLLEXPORT ENclose() { return EN_close(_defaultModel); }
+
 int DLLEXPORT ENsolveH() { return EN_solveH(_defaultModel); }
+
 int DLLEXPORT ENsaveH() { return EN_saveH(_defaultModel); }
+
 int DLLEXPORT ENopenH() { return EN_openH(_defaultModel); }
+
 int DLLEXPORT ENinitH(int flag) { return EN_initH(_defaultModel, flag); }
+
 int DLLEXPORT ENrunH(long *t) { return EN_runH(_defaultModel, t); }
+
 int DLLEXPORT ENnextH(long *tstep) { return EN_nextH(_defaultModel, tstep); }
+
 int DLLEXPORT ENcloseH() { return EN_closeH(_defaultModel); }
+
 int DLLEXPORT ENsavehydfile(char *filename) {
   return EN_savehydfile(_defaultModel, filename);
 }
+
 int DLLEXPORT ENusehydfile(char *filename) {
   return EN_usehydfile(_defaultModel, filename);
 }
+
 int DLLEXPORT ENsolveQ() { return EN_solveQ(_defaultModel); }
+
 int DLLEXPORT ENopenQ() { return EN_openQ(_defaultModel); }
+
 int DLLEXPORT ENinitQ(int saveflag) {
   return EN_initQ(_defaultModel, saveflag);
 }
+
 int DLLEXPORT ENrunQ(long *t) { return EN_runQ(_defaultModel, t); }
+
 int DLLEXPORT ENnextQ(long *tstep) { return EN_nextQ(_defaultModel, tstep); }
+
 int DLLEXPORT ENstepQ(long *tleft) { return EN_stepQ(_defaultModel, tleft); }
+
 int DLLEXPORT ENcloseQ() { return EN_closeQ(_defaultModel); }
+
 int DLLEXPORT ENwriteline(char *line) {
   return EN_writeline(_defaultModel, line);
 }
+
 int DLLEXPORT ENreport() { return EN_report(_defaultModel); }
+
 int DLLEXPORT ENresetreport() { return EN_resetreport(_defaultModel); }
+
 int DLLEXPORT ENsetreport(char *s) { return EN_setreport(_defaultModel, s); }
+
 int DLLEXPORT ENgetversion(int *v) { return EN_getversion(v); }
+
 int DLLEXPORT ENgetcontrol(int cindex, int *ctype, int *lindex,
                            EN_API_FLOAT_TYPE *setting, int *nindex,
                            EN_API_FLOAT_TYPE *level) {
   return EN_getcontrol(_defaultModel, cindex, ctype, lindex, setting, nindex,
                        level);
 }
+
 int DLLEXPORT ENgetcount(int code, int *count) {
   return EN_getcount(_defaultModel, (EN_CountType)code, count);
 }
+
 int DLLEXPORT ENgetoption(int code, EN_API_FLOAT_TYPE *value) {
   return EN_getoption(_defaultModel, (EN_Option)code, value);
 }
+
 int DLLEXPORT ENgettimeparam(int code, long *value) {
   return EN_gettimeparam(_defaultModel, code, value);
 }
+
 int DLLEXPORT ENgetflowunits(int *code) {
   return EN_getflowunits(_defaultModel, code);
 }
+
 int DLLEXPORT ENsetflowunits(int code) {
   return EN_setflowunits(_defaultModel, code);
 }
+
 int DLLEXPORT ENgetpatternindex(char *id, int *index) {
   return EN_getpatternindex(_defaultModel, id, index);
 }
+
 int DLLEXPORT ENgetpatternid(int index, char *id) {
   return EN_getpatternid(_defaultModel, index, id);
 }
+
 int DLLEXPORT ENgetpatternlen(int index, int *len) {
   return EN_getpatternlen(_defaultModel, index, len);
 }
+
 int DLLEXPORT ENgetpatternvalue(int index, int period,
                                 EN_API_FLOAT_TYPE *value) {
   return EN_getpatternvalue(_defaultModel, index, period, value);
 }
+
 int DLLEXPORT ENgetcurveindex(char *id, int *index) {
   return EN_getcurveindex(_defaultModel, id, index);
 }
+
 int DLLEXPORT ENgetcurveid(int index, char *id) {
   return EN_getcurveid(_defaultModel, index, id);
 }
+
 int DLLEXPORT ENgetcurvelen(int index, int *len) {
   return EN_getcurvelen(_defaultModel, index, len);
 }
+
 int DLLEXPORT ENgetcurvevalue(int index, int pnt, EN_API_FLOAT_TYPE *x,
                               EN_API_FLOAT_TYPE *y) {
   return EN_getcurvevalue(_defaultModel, index, pnt, x, y);
 }
+
 int DLLEXPORT ENgetqualtype(int *qualcode, int *tracenode) {
   return EN_getqualtype(_defaultModel, qualcode, tracenode);
 }
+
 int DLLEXPORT ENgetqualinfo(int *qualcode, char *chemname, char *chemunits,
                             int *tracenode) {
   return EN_getqualinfo(_defaultModel, qualcode, chemname, chemunits,
                         tracenode);
 }
+
 int DLLEXPORT ENgeterror(int errcode, char *errmsg, int n) {
   return EN_geterror(errcode, errmsg, n);
 }
+
 int DLLEXPORT ENgetstatistic(int code, EN_API_FLOAT_TYPE *value) {
   return EN_getstatistic(_defaultModel, code, value);
 }
+
 int DLLEXPORT ENgetnodeindex(char *id, int *index) {
   return EN_getnodeindex(_defaultModel, id, index);
 }
+
 int DLLEXPORT ENgetnodeid(int index, char *id) {
   return EN_getnodeid(_defaultModel, index, id);
 }
+
 int DLLEXPORT ENgetnodetype(int index, int *code) {
   return EN_getnodetype(_defaultModel, index, code);
 }
+
 int DLLEXPORT ENgetcoord(int index, EN_API_FLOAT_TYPE *x,
                          EN_API_FLOAT_TYPE *y) {
   return EN_getcoord(_defaultModel, index, x, y);
 }
+
 int DLLEXPORT ENsetcoord(int index, EN_API_FLOAT_TYPE x, EN_API_FLOAT_TYPE y) {
   return EN_setcoord(_defaultModel, index, x, y);
 }
+
 int DLLEXPORT ENgetnodevalue(int index, int code, EN_API_FLOAT_TYPE *value) {
   return EN_getnodevalue(_defaultModel, index, code, value);
 }
+
 int DLLEXPORT ENgetlinkindex(char *id, int *index) {
   return EN_getlinkindex(_defaultModel, id, index);
 }
+
 int DLLEXPORT ENgetlinkid(int index, char *id) {
   return EN_getlinkid(_defaultModel, index, id);
 }
+
 int DLLEXPORT ENgetlinktype(int index, EN_LinkType *code) {
   return EN_getlinktype(_defaultModel, index, code);
 }
+
 int DLLEXPORT ENgetlinknodes(int index, int *node1, int *node2) {
   return EN_getlinknodes(_defaultModel, index, node1, node2);
 }
+
 int DLLEXPORT ENgetlinkvalue(int index, int code, EN_API_FLOAT_TYPE *value) {
   return EN_getlinkvalue(_defaultModel, index, (EN_LinkProperty)code, value);
 }
+
 int DLLEXPORT ENgetcurve(int curveIndex, char *id, int *nValues,
                          EN_API_FLOAT_TYPE **xValues,
                          EN_API_FLOAT_TYPE **yValues) {
   return EN_getcurve(_defaultModel, curveIndex, id, nValues, xValues, yValues);
 }
+
 int DLLEXPORT ENsetcontrol(int cindex, int ctype, int lindex,
                            EN_API_FLOAT_TYPE setting, int nindex,
                            EN_API_FLOAT_TYPE level) {
   return EN_setcontrol(_defaultModel, cindex, ctype, lindex, setting, nindex,
                        level);
 }
+
 int DLLEXPORT ENsetnodevalue(int index, int code, EN_API_FLOAT_TYPE v) {
   return EN_setnodevalue(_defaultModel, index, code, v);
 }
+
 int DLLEXPORT ENsetlinkvalue(int index, int code, EN_API_FLOAT_TYPE v) {
   return EN_setlinkvalue(_defaultModel, index, code, v);
 }
+
 int DLLEXPORT ENaddpattern(char *id) {
   return EN_addpattern(_defaultModel, id);
 }
+
 int DLLEXPORT ENsetpattern(int index, EN_API_FLOAT_TYPE *f, int n) {
   return EN_setpattern(_defaultModel, index, f, n);
 }
+
 int DLLEXPORT ENsetpatternvalue(int index, int period,
                                 EN_API_FLOAT_TYPE value) {
   return EN_setpatternvalue(_defaultModel, index, period, value);
 }
+
 int DLLEXPORT ENaddcurve(char *id) { return EN_addcurve(_defaultModel, id); }
+
 int DLLEXPORT ENsetcurve(int index, EN_API_FLOAT_TYPE *x, EN_API_FLOAT_TYPE *y,
                          int n) {
   return EN_setcurve(_defaultModel, index, x, y, n);
 }
+
 int DLLEXPORT ENsetcurvevalue(int index, int pnt, EN_API_FLOAT_TYPE x,
                               EN_API_FLOAT_TYPE y) {
   return EN_setcurvevalue(_defaultModel, index, pnt, x, y);
 }
+
 int DLLEXPORT ENsettimeparam(int code, long value) {
   return EN_settimeparam(_defaultModel, code, value);
 }
+
 int DLLEXPORT ENsetoption(int code, EN_API_FLOAT_TYPE v) {
   return EN_setoption(_defaultModel, code, v);
 }
+
 int DLLEXPORT ENsetstatusreport(int code) {
   return EN_setstatusreport(_defaultModel, code);
 }
+
 int DLLEXPORT ENsetqualtype(int qualcode, char *chemname, char *chemunits,
                             char *tracenode) {
   return EN_setqualtype(_defaultModel, qualcode, chemname, chemunits,
                         tracenode);
 }
+
 int DLLEXPORT ENgetheadcurveindex(int index, int *curveindex) {
   return EN_getheadcurveindex(_defaultModel, index, curveindex);
 }
+
 int DLLEXPORT ENsetheadcurveindex(int index, int curveindex) {
   return EN_setheadcurveindex(_defaultModel, index, curveindex);
 }
+
 int DLLEXPORT ENgetpumptype(int index, int *type) {
   return EN_getpumptype(_defaultModel, index, type);
 }
+
 int DLLEXPORT ENgetnumdemands(int nodeIndex, int *numDemands) {
   return EN_getnumdemands(_defaultModel, nodeIndex, numDemands);
 }
+
 int DLLEXPORT ENgetbasedemand(int nodeIndex, int demandIdx,
                               EN_API_FLOAT_TYPE *baseDemand) {
   return EN_getbasedemand(_defaultModel, nodeIndex, demandIdx, baseDemand);
 }
+
 int DLLEXPORT ENsetbasedemand(int nodeIndex, int demandIdx,
                               EN_API_FLOAT_TYPE baseDemand) {
   return EN_setbasedemand(_defaultModel, nodeIndex, demandIdx, baseDemand);
 }
+
 int DLLEXPORT ENgetdemandpattern(int nodeIndex, int demandIdx, int *pattIdx) {
   return EN_getdemandpattern(_defaultModel, nodeIndex, demandIdx, pattIdx);
 }
+
 int DLLEXPORT ENgetaveragepatternvalue(int index, EN_API_FLOAT_TYPE *value) {
   return EN_getaveragepatternvalue(_defaultModel, index, value);
 }
 
-int DLLEXPORT ENgetrule(int index, int *nPremises, int *nTrueActions, int *nFalseActions, EN_API_FLOAT_TYPE *priority) {
+
+int DLLEXPORT ENgetrule(int index, int *nPremises, int *nTrueActions,
+                        int *nFalseActions, EN_API_FLOAT_TYPE *priority) {
   return EN_getrule(_defaultModel, index, nPremises, nTrueActions, nFalseActions, priority);
 }
 
@@ -405,19 +486,23 @@ int DLLEXPORT ENsetpremisevalue(int indexRule, int indexPremise, EN_API_FLOAT_TY
   return EN_setpremisevalue(_defaultModel, indexRule, indexPremise, value);
 }
 
-int DLLEXPORT ENgettrueaction(int indexRule, int indexAction, int *indexLink, int *status, EN_API_FLOAT_TYPE *setting){
+int DLLEXPORT ENgettrueaction(int indexRule, int indexAction, int *indexLink,
+                              int *status, EN_API_FLOAT_TYPE *setting){
   return EN_gettrueaction(_defaultModel, indexRule, indexAction, indexLink, status, setting);
 }
 
-int DLLEXPORT ENsettrueaction(int indexRule, int indexAction, int indexLink, int status, EN_API_FLOAT_TYPE setting){
+int DLLEXPORT ENsettrueaction(int indexRule, int indexAction, int indexLink,
+                              int status, EN_API_FLOAT_TYPE setting){
   return EN_settrueaction(_defaultModel, indexRule, indexAction, indexLink, status, setting);
 }
 
-int DLLEXPORT ENgetfalseaction(int indexRule, int indexAction, int *indexLink, int *status, EN_API_FLOAT_TYPE *setting){
+int DLLEXPORT ENgetfalseaction(int indexRule, int indexAction, int *indexLink,
+                               int *status, EN_API_FLOAT_TYPE *setting){
   return EN_getfalseaction(_defaultModel, indexRule, indexAction, indexLink, status, setting);
 }
 
-int DLLEXPORT ENsetfalseaction(int indexRule, int indexAction, int indexLink, int status, EN_API_FLOAT_TYPE setting){
+int DLLEXPORT ENsetfalseaction(int indexRule, int indexAction, int indexLink,
+                               int status, EN_API_FLOAT_TYPE setting){
   return EN_setfalseaction(_defaultModel, indexRule, indexAction, indexLink, status, setting);
 }
 
@@ -428,16 +513,20 @@ int DLLEXPORT ENgetruleID(int indexRule, char* id){
 int DLLEXPORT ENsetlinktype(char *id, EN_LinkType toType) {
   return EN_setlinktype(_defaultModel, id, toType);
 }
+
 int DLLEXPORT ENaddnode(char *id, EN_NodeType nodeType) {
   return EN_addnode(_defaultModel, id, nodeType);
 }
+
 int DLLEXPORT ENaddlink(char *id, EN_LinkType linkType, char *fromNode,
                         char *toNode) {
   return EN_addlink(_defaultModel, id, linkType, fromNode, toNode);
 }
+
 int DLLEXPORT ENdeletelink(int index) {
   return EN_deletelink(_defaultModel, index);
 }
+
 int DLLEXPORT ENdeletenode(int index) {
   return EN_deletenode(_defaultModel, index);
 }
@@ -707,7 +796,6 @@ int DLLEXPORT EN_solveH(EN_Project *p)
         tstep = 0;
         ERRCODE(EN_runH(p, &t));
         ERRCODE(EN_nextH(p, &tstep));
-
         /*** Updated 6/24/02 ***/
         writecon("\b\b\b\b\b\b\b\b\b\b");
       } while (tstep > 0);
@@ -825,8 +913,10 @@ int DLLEXPORT EN_initH(EN_Project *p, int flag)
     errcode = openhydfile(p);
     if (!errcode)
       p->save_options.Saveflag = TRUE;
-    else
+    else {
       errmsg(p, errcode);
+      return errcode;
+      }
   }
 
   /* Initialize hydraulics */
@@ -1546,7 +1636,7 @@ int DLLEXPORT EN_geterror(int errcode, char *errmsg, int n) {
     strncpy(errmsg, WARN6, n);
     break;
   default:
-    geterrmsg(n, newMsg);
+    geterrmsg(errcode, newMsg);
     strncpy(errmsg, newMsg, n);
   }
   if (strlen(errmsg) == 0)
@@ -3330,7 +3420,7 @@ int openhydfile(EN_Project *p)
   out->HydFile = NULL;
   switch (out->Hydflag) {
   case SCRATCH:
-    getTmpName(p, out->HydFname);             
+    getTmpName(p, out->HydFname); 
     out->HydFile = fopen(out->HydFname, "w+b"); 
     break;
   case SAVE:
@@ -3748,7 +3838,7 @@ void freedata(EN_Project *p)
 ----------------------------------------------------------------
 */
 
-/*** New function for 2.00.12 ***/ 
+/*** New function for 2.00.12 ***/ //    DEPRECATED 
 char *getTmpName(EN_Project *p, char *fname)
 //
 //  Input:   fname = file name string
@@ -3757,6 +3847,19 @@ char *getTmpName(EN_Project *p, char *fname)
 //
 {
   out_file_t *out = &p->out_files;
+#ifdef _WIN32
+  TCHAR tmpFileName[MAXFNAME];
+  TCHAR tmpPathName[MAXFNAME];
+  int rtnValue = GetTempPath(MAXFNAME, tmpPathName);
+  if (rtnValue == 0 || rtnValue > MAXFNAME) return 0;
+  rtnValue = GetTempFileName(tmpPathName, TEXT("EN"), 0, tmpFileName);
+  if (rtnValue > 0) strncpy(fname, tmpFileName, MAXFNAME);
+
+
+///////////////////  DEPRECATED   /////////////////////////////////////
+// There is an OS limit on the number of times tmpnam will return a
+// unique file name and it is not thread safe.
+/*
 // --- for Windows systems:
 #ifdef WINDOWS
   // --- use system function tmpnam() to create a temporary file name
@@ -3782,6 +3885,7 @@ char *getTmpName(EN_Project *p, char *fname)
 
   // --- now add the prefix to the file name
   strcat(fname, name);
+*/
 
 // --- for non-Windows systems:
 #else
diff --git a/src/funcs.h b/src/funcs.h
index b006c78..303f44b 100755
--- a/src/funcs.h
+++ b/src/funcs.h
@@ -115,11 +115,13 @@ void    changestatus(EN_Network *net, int, StatType, double);  /* Changes status
 
 /* -------------- RULES.C --------------*/
 void    initrules(rules_t *rules);                  /* Initializes rule base      */
-void    addrule(parser_data_t *par, char *);                  /* Adds rule to rule base     */
+void    addrule(parser_data_t *par, char *);        /* Adds rule to rule base     */
 int     allocrules(EN_Project *pr);                 /* Allocates memory for rule  */
 int     ruledata(EN_Project *pr);                   /* Processes rule input data  */
-int     checkrules(EN_Project *pr, long);                 /* Checks all rules           */
+int     checkrules(EN_Project *pr, long);           /* Checks all rules           */
 void    freerules(EN_Project *pr);                  /* Frees rule base memory     */  
+int     writeRuleinInp(EN_Project *pr, FILE *f,     /* Writes rule to an INP file */
+                      int RuleIdx);
 
 /* ------------- REPORT.C --------------*/
 int     writereport(EN_Project *pr);                /* Writes formatted report    */
diff --git a/src/hydraul.c b/src/hydraul.c
index 8f1bcd7..f4eb45c 100755
--- a/src/hydraul.c
+++ b/src/hydraul.c
@@ -628,7 +628,7 @@ void  demands(EN_Project *pr)
    long k,p;
    double djunc, sum;
    Pdemand demand;
-  
+
   EN_Network *net = &pr->network;
   hydraulics_t *hyd = &pr->hydraulics;
   time_options_t *top = &pr->time_options;
@@ -680,6 +680,7 @@ void  demands(EN_Project *pr)
          setlinksetting(pr, i, net->Pattern[j].F[k], &hyd->LinkStatus[i], &hyd->LinkSetting[i]);
       }
    }
+
 }                        /* End of demands */
 
 
diff --git a/src/quality.c b/src/quality.c
index 5308e2c..03e29b6 100644
--- a/src/quality.c
+++ b/src/quality.c
@@ -161,6 +161,9 @@ void initqual(EN_Project *pr)
       net->Node[i].S->Smass = 0.0;
   }
 
+  qu->QTempVolumes = 
+      calloc(net->Ntanks,
+          sizeof(double)); // keep track of next tank volumes.
   qu->QTankVolumes =
       calloc(net->Ntanks,
              sizeof(double)); // keep track of previous step's tank volumes.
@@ -287,7 +290,7 @@ int nextqual(EN_Project *pr, long *tstep)
 {
   long hydstep; /* Hydraulic solution time step */
   int errcode = 0;
-  double *tankVolumes;
+  //double *tankVolumes = NULL;
   int i;
   EN_Network *net;
   hydraulics_t *hyd;
@@ -315,10 +318,10 @@ int nextqual(EN_Project *pr, long *tstep)
   // if we're operating in stepwise mode, capture the tank levels so we can
   // restore them later.
   if (hyd->OpenHflag) {
-    tankVolumes = calloc(net->Ntanks, sizeof(double));
+    //tankVolumes = calloc(net->Ntanks, sizeof(double));
     for (i = 1; i <= net->Ntanks; ++i) {
       if (net->Tank[i].A != 0) { // skip reservoirs
-        tankVolumes[i - 1] = net->Tank[i].V;
+        qu->QTempVolumes[i - 1] = net->Tank[i].V;
       }
     }
 
@@ -359,7 +362,7 @@ int nextqual(EN_Project *pr, long *tstep)
     for (i = 1; i <= net->Ntanks; i++) {
       if (net->Tank[i].A != 0) { // skip reservoirs again
         int n = net->Tank[i].Node;
-        net->Tank[i].V = tankVolumes[i - 1];
+        net->Tank[i].V = qu->QTempVolumes[i - 1];
         hyd->NodeHead[n] = tankgrade(pr, i, net->Tank[i].V);
       }
     }
@@ -370,7 +373,7 @@ int nextqual(EN_Project *pr, long *tstep)
       }
     }
 
-    free(tankVolumes);
+    //free(tankVolumes);
   }
 
   return (errcode);
@@ -448,6 +451,7 @@ int closequal(EN_Project *pr)
   free(qu->MassIn);
   free(qu->PipeRateCoeff);
   free(qu->TempQual);
+  free(qu->QTempVolumes);
   free(qu->QTankVolumes);
   free(qu->QLinkFlow);
   return (errcode);
diff --git a/src/types.h b/src/types.h
index 920c779..a3aa962 100755
--- a/src/types.h
+++ b/src/types.h
@@ -542,6 +542,7 @@ typedef struct {
   Climit,    /// Limiting potential quality   
   *NodeQual, /// Node quality state
   *TempQual, /// General purpose array for water quality
+  *QTempVolumes,
   *QTankVolumes,
   *QLinkFlow,
   *PipeRateCoeff;
@@ -551,12 +552,12 @@ typedef struct {
   Qtime; /// Current quality time (sec)
   
   char      OutOfMemory;          /* Out of memory indicator                 */
-  alloc_handle_t *SegPool; // Memory pool for water quality segments   
+  alloc_handle_t *SegPool;        // Memory pool for water quality segments   
   
   Pseg      FreeSeg;              /* Pointer to unused segment               */
   Pseg      *FirstSeg,            /* First (downstream) segment in each pipe */
-  *LastSeg;             /* Last (upstream) segment in each pipe    */
-  FlowDirection      *FlowDir;             /* Flow direction for each pipe            */
+            *LastSeg;             /* Last (upstream) segment in each pipe    */
+  FlowDirection *FlowDir;         /* Flow direction for each pipe            */
   double    *VolIn;               /* Total volume inflow to node             */
   double    *MassIn;              /* Total mass inflow to node               */
   double    Sc;                   /* Schmidt Number                          */