AN A319 CREW DETECTED FUMES NEARING THEIR DEST AND DECLARED AN EMER ON FINAL. MAINT FOUND NOTHING WRONG AND THE ACFT DEPARTED LATER.

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DURING DSCNT; A FLT ATTENDANT INFORMED ME THAT THERE WERE FUMES IN THE BACK OF THE CABIN. AT JUST ABOUT THE SAME TIME; MY FO NOTICED FUMES IN THE COCKPIT. HE SAID IT WAS BURNING HIS EYES; SO WE DONNED THE OXYGEN MASKS AND COMPLETED THE SMOKE FUMES REMOVAL IMMEDIATE ACTION ITEMS. THE FUMES SEEMED TO DISSIPATE UNTIL WE WERE ON FINAL APCH; AT WHICH TIME THEY SEEMED TO GET STRONG ENOUGH FOR ME TO NOTICE; SO WE THEN DECLARED AN EMER. THE FIRE TRUCKS WERE WAITING FOR US UPON ARR. WE LANDED WITHOUT INCIDENCE AND HAD THE FIRE DEPT CHK THE ACFT FOR LEAKS; SMOKE; OR FIRE. NOTHING WAS NOTICED; SO WE PROCEEDED TO THE GATE WITHOUT STARTING THE APU; IN CASE OF THE POSSIBILITY OF AN APU FIRE OR LEAK AROUND THE APU. WE EXPLAINED THIS TO THE PAX AND THEY DEPLANED WITHOUT INCIDENT. THE EVENT WAS A PRECAUTIONARY EMER THAT WORKED OUT WITHOUT INCIDENT. THE CABIN TO COCKPIT CALL BELL IS DANGEROUSLY LOUD AND CAN CAUSE UNNECESSARY PROBS DURING AN EMER; WHERE COCKPIT TO CABIN COMS ARE VITAL. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE REPORTER SAID THE CREW TREATED THIS EVENT AS VERY SERIOUS BECAUSE THEY HAD NO IDEA WHAT WAS HAPPENING. HE STATED THAT AFTER A THOROUGH INVESTIGATION MAINTENANCE COULD FIND NOTHING WRONG WITH THE ACFT. THE LUGGAGE WAS ALSO INSPECTED AND NOTHING UNUSUAL WAS FOUND. THE REPORTER STATED THAT HIS FO WAS TWICE BOTHERED BY THE FUMES INCLUDING DURING APCH WHEN THE CREW PUT THEIR MASKS ON AGAIN. THE ACFT WAS ON THE GND ABOUT 5 HOURS BEFORE DEPARTING WITH PAX.