25.9.12
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WH
WilliamB Holtsbaum
4 Credentials
2 Issuers
AMPP Membership
Your Text Here
Member No.
AMPP Membership
June 1, 2024
AMPP
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Expired
Expired credential.
William B Holtsbaum
NACE CP2 - Cathodic Protection Certified Technician
March 31, 2026
183960
Cert No.6509
NACE CP2 - Cathodic Protection Certified Technician
Cert No.6509
NACE CP2 - Cathodic Protection Certified Technician
June 1, 2005
AMPP Credentials
William B Holtsbaum
NACE Corrosion Technologist
February 20, 2026
183960
Cert No.6509
NACE Corrosion Technologist
Cert No.6509
NACE Corrosion Technologist
September 12, 2002
AMPP Credentials
William B Holtsbaum
NACE Corrosion Technician
February 20, 2026
183960
Cert No.6509
NACE Corrosion Technician
Cert No.6509
NACE Corrosion Technician
April 30, 2000
AMPP Credentials
