Marcel has helped create the following PEI Recommended Practices:
- RP400 – Recommended Procedure for Testing Electrical Continuity of Fuel-Dispensing Hanging Hardware (2002)
- RP500 – Recommended Practices for Inspection and Maintenance of Motor Fuel Dispensing Equipment (2005)
- RP600 – Recommended Practices for Overfill Prevention for Shop-Fabricated Aboveground Tanks (2007)
- RP700 – Recommended Practices for the Design and Maintenance of Fluid-Distribution Systems at Vehicle Maintenance Facilities (2009)
- RP900 – Recommended Practices for the Inspection and Maintenance of UST Systems (2008)
- RP1000 – Recommended Practices for the Installation of Marina Fueling Systems (2009)
- RP1500 – Recommended Practices for the Design, Installation, Operation and Maintenance of Compressed Natural Gas Vehicle Fueling Facilities (2015).
Marcel has worked on revising and updating the following PEI Recommended Practices:
- RP100 – Recommended Practices for Installation of Underground Liquid Storage Systems (1997, 2000, and 2005 editions)
- RP200 – Recommended Practices for Installation of Aboveground Storage Systems for Motor Vehicle Fueling (1999 and 2003 editions)
- RP300 – Recommended Practices for Installation and Testing of Vapor-Recovery Systems at Vehicle-Fueling Sites (2004 edition)