Corrosion Probe, Inc. (CPI) is a specialized consulting firm designing engineering solutions for clients throughout the United States and Canada. Founded in 1984, CPI has built an international reputation for providing consulting, engineering design and technical support for equipment repairs and structural rehabilitation, corrosion control and prevention, construction management, condition assessment, and specialty nondestructive testing services to clients in the pulp and paper, chemical, pharmaceutical industries and municipal water and waste water industries. Our extensive experience and multi-disciplinary capabilities also bring solid forensic expertise in failure analysis and accident investigation. We routinely provide comprehensive inspection and quality control/quality assurance services in all the technical areas listed above and in other construction areas, including piping, pressure vessels, tanks, FRP and other plastics, protective coatings, roofing, grouting (equipment), and waterproofing. Our experienced, knowledgeable engineers and technicians successfully combine civil/structural, mechanical, metallurgical, electrical, and corrosion engineering disciplines with our extensive practical knowledge of equipment and related damage mechanisms to help our clients solve their corrosion and materials problems as practically, reliably and cost-effectively as possible.


Texas Water (TAWWA)

2017 Texas Water Conference, April 10 - 13 in Austin, TX

ShermanD Doug Sherman, P.E will present a paper that he co-authored with Randy Nixon and Dave Crowe titled:
Corrosion Basics for Concrete and Metals in Wastewater Applications

New England Water Environment Association (NEWEA)

CPI consultants were responsible for three of the four presentations in a session titled, Corrosion: Lessons in Solving Corrosion Issues, which was held at the 2017 Annual Conference and Exhibit on January 25 in Boston, MA:

NixonR Randy Nixon and David Crowe, PhD presented:
Corrosion Basics for Concrete and Metals in Wastewater Applications

Randy Nixon in co-operation with Arthur Enderle and Edward Alibozek of the town of East Windsor, CT presented:
Monitoring and Upgrading Cathodic Protection Systems for CAN Type Pump Stations.
KrawiecK Kevin Krawiec, P.E in co-operation with the Fiberglass Institue's (FRPI) Gary Arther presented:
Failure Analysis Fundamentals for FRP in Wastewater Service

The Society for Protective Coatings (SSPC)

During the Tampa, FL Conference, which was held January this year:

  • Randy Nixon and Doug Sherman, P.E presented
    Clarifying Material Selection: Understanding the Corrosion Mechanisms for Clarifier Mechanisms

During the Toronto, ON Conference, which was held February this year:

  • Randy Nixon presented
    Corrosion Basics for Concrete and Metals in Wastewater Applications


Water Environment Federation (WEF)

  • Randy Nixon and Doug Sherman, P.E are among five authors re-writing Chapter 10 - Materials of Construction and Corrosion Control for the revised 6th edition of the:
    Water Environment Federation Manual of Practice 8

    This book is now be titled:
    Design of Water Resource Recovery Facilities

    The 6th edition will be published by WEF in August of 2017.

Durability and Design (D+D)


NACE International (NACE)

    Randy Nixon co-authored:
    3rd Edition of Corrosion and Materials Fundamentals for Engineers in Wastewater Treatment Plants & Collection Systems

    This book is now available from NACE International Store.



It is with great pleasure that we announce the promotions of:

MixonN Nathan Mixon, P.E, Mechanical Integrity Engineer who recently obtained his Professional Engineering licensure in the state of Georgia, and has been promoted to
Senior Engineer.
PittmanR Ross Pittman, P.E, Materials Science Engineer who recently obtained his Professional Engineering licensure in the state of Georgia, and has been promoted to the position of
Staff Engineer.

These promotions directly reflect the major gains in knowledge and experience, their growth in client and project management, and their commitment to high-level, quality services. Such attributes are part of what make us successful and help us to continue to grow.

Please join us in congratulating both Nathan and Ross on their aquisition of GA professional licensure and their new positions.

New Hires

CPI welcomes Sam Hansen
Sam joined CPI's Centerbrook office in June as a Technician, and has been performing a healthy mix of field inspection, condition assessment, corrosion investigation, and structural assessment work.

Ben Stoops joins the CPI team
Ben is a Project Engineer who joined CPI's Centerbrook office in September. Ben received his B.S. in Chemical Engineering from UMass at Amherst and spent time at Springfield Water and Sewer Commission and CDM Smith, where he gained experience with treatment plants and wastewater collection systems.


Service Areas

  • Corrosion and Materials Engineering
    • Corrosion Control/Protection Design
    • Corrosion Analysis and Material Selection Consulting
    • Failure Analysis - Mode and Root Cause Analysis
    • Cathodic Protection System Design and Evaluation
  • Structural and Mechanical Rehabilitation Services
    • Structural Design Engineering
    • Mechanical Design Engineering
    • Condition Assessment Evaluations
    • Structural Evaluation and Analysis
    • Shop and Field QC Inspection and Support
  • Mechanical Integrity and Inspection Design Services
    • Pressure Vessel and Tank Program Development and Implementation
    • Systematic Inspection Design (SID)
    • Risk-Based Inspection
    • Integrity Evaluation and Analysis
    • Fitness-for-Service Evaluations
    • Welding Consulting and Inspection
  • Coatings and Linings Engineering
    • Consulting
    • Failure Analysis
    • Project Management
    • Quality Control and Inspections
  • Project and Quality Management Services
    • Cost Estimating Services for all Construction Disciplines
    • Project Management Services, Including Planning, Scheduling, and Project Controls
    • Quality Control Inspection and Testing Services
    • Quality Assurance Program Development for New and Rehabilitation Construction
    • Quality Assurance Program Auditing and Oversight Services
  • Training Services
    • Alloy Selection for Corrosive Environments
    • Solving Corrosion and Materials Problems for Plant Engineers
    • Welding Essentials for Plant Engineers
    • Brick and Tile-Lined Equipment Inspection and Repair
    • FRP Essentials for Pulp and Paper Mills
    • Concrete Restoration and Protection
    • Quality Assurance for Capital Projects

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