MIKE LABELLA/Staff photo.  Richard &nbsp;Ouellet, &nbsp;63, &nbsp;of &nbsp;Haverhill drops off his recyclable paper and&lt;br /&gt;
cardboard at the city's recycling center every week. He was there yesterday&lt;br /&gt;
and &nbsp;said &nbsp;he's &nbsp;been &nbsp;waiting &nbsp;for &nbsp;the &nbsp;city &nbsp;to launch its single-stream&lt;br /&gt;
recycling &nbsp;program &nbsp;and &nbsp;has &nbsp;been &nbsp;saving &nbsp;recyclable bottles and cans for&lt;br /&gt;
months.