Principal Engineer II
Corrosion Subject Matter Expert

Years of Experience: 40

Education & Licenses:

  • Bachelor of Science, Chemical Engineering with Dual Degree in Materials Science, 1980, The University of Connecticut, Storrs, CT

Areas of Specialization:

  • Development and implementation of fixed equipment inspection and corrosion monitoring programs
  • Analysis of equipment inspection data
  • Turnaround engineering support for internal inspections, repairs, and reliability projections

Professional Highlights:

CorrSolutions LLC – President, Corrosion & Inspection Engineering Consultant: 23 years providing advanced analysis of inspection data, MI program development/review, and field support to major refiners and chemical plants.  Projects included:

  • Piping and pressure vessel thickness data analysis, CML optimization, and quantitative probability of failure and corrosion trend identification using advanced statistical tools.
  • Risk-based prioritization for piping and major fixed equipment pre-turnaround inspections.
  • Turnaround support, including work list development, field inspections, repair/NDE requirements, materials recommendations, and evaluation of operational changes.
  • Pre-turnaround and turnaround inspection work list development based on review of historical inspection records, process conditions, industry codes, and local practices.
  • Fixed equipment reliability assessments, including quantitative probability of failure studies using state-of-the-art statistical tools.
  • Development/implementation of CAD standards for inspection documentation.

BASF Corporation – Technical Superintendent: 7 years responsible for technical support to Plant Operations, including equipment reliability studies, process safety management, and plant quality program development, as well as troubleshooting for manufacturing operations.  

Mobil Oil Corporation – Staff Materials Engineer: 2 years responsible for materials selection, equipment fabrication/repair, root-cause failure analysis, and corrosion control for all types of refinery fixed equipment.  Areas of specialty included fixed equipment remaining life assessments, turnaround inspection planning, and Inspector/Engineer training.

Petromin-Mobil Refining Company – Inspection Engineering Supervisor: 4 years supervising all plant inspection and inspection engineering activities.  Developed Saudi National engineers for senior technical positions.  Designed, supervised, and evaluated on-stream and shutdown equipment inspection programs to maximize refinery safety and reliability.

Petromin-Mobil Refining Company – Senior Inspection Engineer: 3 years responsible for inspection of new equipment and development of inspection programs for grassroots refinery.  Served as technical trainer and mentor for Saudi Engineering graduates.

Mobil Oil Corporation – Materials Engineer, Inspection Supervisor: 4 years responsible for process equipment materials selection, failure analysis, and evaluation of equipment inspection results.


Corrosion, Materials & Inspection Engineering Consultant serving the Refining Industry for 40+ years.  Areas of specialty include development/implementation of fixed equipment inspection and corrosion monitoring programs, analysis of inspection data, turnaround engineering support, and failure analysis.

Highly effective in both program development and field execution.  An outstanding team player within cross-functional teams providing practical, balanced solutions to mechanical integrity problems.

Proficient in all refinery damage mechanisms, with expertise in FCC and HF Alky corrosion.

A recognized expert in advanced statistical modeling and corrosion trend identification based on equipment thickness data.  Sole developer of the patented Selective Corrosion Rate and Thickness Degradation Analysis processes.

Corrosion/Materials/Inspection SME for API Inspection Certification Programs.


  1. Sparago, M., “Statistical Tools for Ultrasonic Thickness Data Analysis, Part 2: Remaining Life Estimates,” Inspectioneering Journal, March/April 1999.
  2. Sparago, M., “Statistical Tools for Ultrasonic Thickness Data Analysis, Part 1: Piping Thickness Analysis,” Inspectioneering Journal, January/February 1999.

Industry Activities:

  • Current SME for API Inspection Certification Programs