(Potter Twp., Pa.) A Huge step towards completion of the Shell Cracker Plant in Potter Twp. will be happening today. Shell Pennsylvania Chemicals stated today on their Facebook Page that it is anticipated that National Fuel Gas Supply Corporation will introduce natural gas into the pipeline connected to the site. Shell is stating that you may notice an elevated flare associated with this and it may produce a visible flame both onsite and offsite. The flare is expected to be active for approximately 60 minutes. Shell says this is part of the normal commissioning procedure.