The TCEQ Compliance Commitment (C2) Program, pamphlet, November 2011; (https://texashistory.unt.edu/ark:/67531/metapth576984/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
The TCEQ Compliance Commitment (C2) Program, pamphlet, November 2011; (https://texashistory.unt.edu/ark:/67531/metapth576984/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .