RANDOLPH C. CRONAU, P.E.

Mr. Cronau is a Senior Engineering Consultant to Pressure Sciences with over thirty years experience in corrosion control, material selection, failure analysis, welding, and related disciplines. He has operated R.C. Cronau and Associates since 1984. Before that, he was a welding engineer and welding supervisor at U.S. Steel Corporation from 1982 until 1984, and a senior corrosion and materials engineer at U.S. Steel from 1958 until 1982. Before that, he was a maintenance supervisor with Jones & Laughlin Steel Corporation from 1955 until 1958.

• As Senior Corrosion Consultant, he conducted an investigation of intergranular stress-corrosion cracking near welds in carbon steel gas pipelines and process equipment in chemical plants in the U.S. and Brazil.
  
• Principal investigator of intergranular corrosion in weld heat affected zones, Type 316 stainless steel piping, exposed to sulfuric acid in a chemical plant.
  
• Principal investigator of transgranular stress corrosion cracking problems in stainless steel ammonia fractionators in Kaohslung, Taiwan and also in Toronto, Canada.
  
• Retained as corrosion consultant to Pennsylvania chemical processing plant providing technical assistance on corrosion control, materials selection and failure analysis.
  
• Retained as integrity assessment consultant in a Pennsylvania chemical plant to organize and implement mechanical integrity program as required by OSHA 1910.119 to prevent release of highly hazardous chemicals.
  
• Supervised corrosion inspections and integrity assessments of aboveground storage tanks handling hazardous wastes in Pennsylvania and Ohio and West Virginia.
  
• Supervised cathodic protection surveys of underground fuel storage tanks in Pennsylvania and West Virginia.

Mr. Cronau received a B.S. in Chemical Engineering from the University of Pittsburgh in 1955, and a B.S. in Industrial Management from Carnegie-Mellon University in 1962. He is a Registered Professional Engineer in Pennsylvania, and is a member of the National Association of Corrosion Engineers (NACE), American Welding Society (AWS), American Society of Metals (ASM), American Society for Nondestructive Testing (ASNT), Steel Structures Painting Council, and Society for Technical Communications. From these professional organizations, he has received certifications as a Certified Corrosion Specialist, a Certified Cathodic Protection Specialist, and a Certified Welding Inspector (CWI).

Mr. Cronau has also been certified to both the API 510 and 653 Standards for In-Service Inspection of Pressure Vessels and Above Ground Storage Tanks.

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