0000932471-99-000156 SC 13G/A 1 19990210 GEORGIA GULF CORP /DE/ 0000805264 2810 581563799 DE 1231 SC 13G/A 34 005-37963 99527716 400 PERIMETER CTR TERRACE STE 595 ATLANTA GA 30346 4043954500 VANGUARD/WINDSOR FUNDS INC 0000107606 510082711 DE 1031 SC 13G/A PO BOX 2600 V37 VALLEY FORGE PA 19482 6106696289 PO BOX 2600 V37 VALLEY FORGE PA 19482 WINDSOR FUNDS INC 19920703 WINDSOR FUNDS 19851031 WINDSOR FUND INC 19850424 SC 13G/A 1 000093247199000156-001-seq1-sc-13g-a.txt AMENDMENT #3 GEORGIA GULF CORPORATION