[support] Passing query with link

[ktt]

Hello,

I create a link :
'data' => l($data[$c],$mypath,array('query' => $data[$c]))
after clicking on it I get 
/admin/content/emol/contacts/edit?zet2zet
How to pass "zet2zet" value to a function in a new page?

Thank you in advance,
Ktt