RRC Houston District Office Is Closed

The RRC Houston District Office is closed due to a power outage from last week’s storm damage in the city. If you need assistance, you can contact the office by calling 713-869-5001 or by emailing Houston@rrc.texas.gov.

LNG Examination Study Guides

Please note: Our exam dates and locations have changed.
To register for a CNG or LNG exam please go to Home (force.com)

LNG Regulations May 2021

Please use this link to access the May 2021 Regulations for Liquefied Natural Gas. The current certification exams are based on this edition.

LNG Management Level


LNG Employee Level