1999 CHEVROLET G3 VAN

WE HAVE COMPANY VEHICLES THAT HAVE FIRESTONE STEEL TEX RADIAL R45 TIRES ON THEM, WE HAVE HAD 3 OCCURENCES IN WHICH THE TIRES HAVE BLOWN. THEY LOOK LIKE THE TREAD HAS JUST BEEN PEELED OFF. LUCKILY NO ONE WAS INJURED IN THE LATER 2 OF THESE OCCURENCES, BUT ONE BLOW OUT DID INJURE NOT ONLY AN EMPLOYEE BUT ANOTHER PERSON, AND DID TOTAL A VEHICLE. WE DO STILL HAVE THESE ON SOME OTHER OF OUR VEHICLES. I DO KNOW THAT THEY DID HAVE A RECALL ON THESE TYPE OF TIRES IN MAY, BUT THEY SAY THEY HAVE ALL