\documentclass[10pt]{article}

\usepackage[margin=1in, paperwidth=10.0in, paperheight=7.5in]{geometry}
\usepackage{multicol}
\usepackage{fancyhdr}
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\begin{document}
    \lhead{\bfseries{\Large{1,000 Genomes Data Processing Report - $population$ samples}}}
    \rhead{}
    \chead{}

    \begin{multicols}{2}
        \begin{tabular}{|r|l|}
            \multicolumn{2}{l}{\bfseries{Project Summary ($study_id$)}} \\
            \hline
            Used samples & $used_samples$  \\
            Unused samples & $unused_samples$ \\
            \hline
        \end{tabular}

        \begin{tabular}{|r|l|}
            \multicolumn{2}{l}{\bfseries{Sequencing Summary}} \\
            \hline
            Sequencers & $sequencers$ \\
            Used lanes & $used_lanes$ \\
            Unused lanes & $unused_lanes$ \\
            Used lanes/sample & $used_lanes_per_sample$ \\
            Lane parities & $lane_parities$ \\
            Read lengths & $read_lengths$ \\
            Sequencing dates & $sequencing_dates$ \\
            \hline
        \end{tabular}

        \begin{tabular}{|r|l|l|}
            \multicolumn{3}{l}{\bfseries{Bases Summary (excluding unused lanes/samples)}} \\
            \hline
            & Per lane & Per sample \\
            \hline
            Reads & $reads_per_lane$ & $reads_per_sample$ \\
            Used bases & $used_bases_per_lane$ & $used_bases_per_sample$ \\
            Coverage & $coverage_per_lane$ & $coverage_per_sample$ \\
            \% loci $>$ 1x covered & $loci_gt_1x_per_lane$ & $loci_gt_1x_per_sample$ \\
            \% loci $>$ 2x covered & $loci_gt_2x_per_lane$ & $loci_gt_2x_per_sample$ \\
            \% loci $>$ 3x covered & $loci_gt_3x_per_lane$ & $loci_gt_3x_per_sample$ \\
            \% loci $>$ 4x covered & $loci_gt_4x_per_lane$ & $loci_gt_4x_per_sample$ \\
            \hline
        \end{tabular}

        \begin{tabular}{|r|l|l|}
            \multicolumn{3}{l}{\bfseries{Variant Summary}} \\
            \hline
            & Found & Est. FP rate \\
            \hline
            All SNPs & $all_snps_found$ & $all_snps_fprate$ \\
            Known SNPs & $known_snps_found$ & $known_snps_fprate$ \\
            Novel SNPs & $novel_snps_found$ & $novel_snps_fprate$ \\
            \hline
        \end{tabular}
    \end{multicols}

    %\lfoot{kiran@broadinstitute.org}
    %\cfoot{}
    %\rfoot{}
\end{document}