newenvironment{preamble}{%
setstretch{1.5}
%thispagestyle{plain}
%pagenumbering{roman}
eject
tableofcontents

eject

addtocontents{toc}{contentsline {chapter}{numberline {}LIST OF TABLES}{pageref{ListofTables}}}
label{ListofTables}
listoftables

eject

%addtocontents{toc}{contentsline {chapter}{numberline {}LIST OF FIGURES}{pageref{ListofFigures}}}
label{ListofFigures}
listoffigures

eject

setstretch{2}

}{%
eject
pagestyle{plain}
pagenumbering{arabic}
eject
}