"The use of impermeable liners on well pads to contain spills should be a "best practice" used by the entire industry."
Michael Arthur
Co-Director Marcellus Center for Outreach and Research (MCOR)/Geologist Penn State University from Williamsport Sun Gazette 11/18/10
Read article here.

Description: A 57X57' and a 27X100' 12 gauge steel 36 inch high secondary containment barrier wall with 32 secured custom manufactured steel feet. The barrier walls contains a geotextile and spray polyurea containment liner, each having 6 - A.S.S. custom polyurethane foam and polyurea 12.5' tank bases.