Massy Gas Prod­ucts Ltd. says the video cir­cu­lat­ing show­ing vapour com­ing from the Phoenix Park plant last night was ex­cess ni­tro­gen was vent­ed dur­ing a rou­tine mo­bile tanker fill­ing op­er­a­tion.

Massy, in a state­ment, said the re­lease did not pose any risk to peo­ple, prop­er­ty, or the en­vi­ron­ment.

"We re­main com­mit­ted to main­tain­ing the high­est safe­ty stan­dard, pro­tect­ing our peo­ple and the en­vi­ron­ment," the com­pa­ny said in its me­dia re­lease.