my $db = "1,1,1-Trichloroethane_Chem2981.mdb";
my $table ="1,1,1-Trichloroethane_Chem2981";
$dbh = DBI->connect( "dbi:ODBC:driver=Microsoft Access Driver (*.mdb, *.accdb); dbq=$db","","");
$sql = "SELECT * FROM $table";
$sth = $dbh->prepare( $sql ) or die;