DATES TIMES TSS Inorganic 19990624 915 10 4 19990624 1116 11 4 19990624 1330 12 5 19990624 1458 18 7 19990714 1550 8 3 19990714 1708 17 3 19990715 1018 9 3 19990715 1133 8 3 19990715 1258 8 2 19990715 1350 11 4 19990715 1448 8 3 19990715 1541 8 2 19990811 920 10 3 19990811 1039 12 5 19990811 1204 12 5 19990811 1322 12 4 19990917 1155 10 3 19991014 955 9 4 19991014 1128 20 6 19991014 1305 19 6 19991014 1503 16 5 19991018 1236 18 6 19991018 1504 14 4 19991119 920 19 8 19991119 1238 17 7 19991119 1513 20 8 19991214 1009 10 3 20000106 1517 7 2 20000106 1555 7 2 20000127 1311 7 2 20000224 1244 19 5 20000224 1335 17 5 20000323 1615 12 3 20000324 1348 5 2 20000324 1456 7 2 20000324 1529 5 2 20000414 1116 9 3 20000428 1258 28 8 20000428 1322 33 10 20000504 1245 20 6