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Jul 20, 2026
Article 0072 A calibration sticker proves the instrument, not the reading. How to field-verify your DFT, profile, durometer, and holiday gages before you trust the numbers.
Jul 6, 2026
Article 0071 A foreign CP system can shift your readings without exchanging any current with your pipe. Interference damages steel; influence damages data. Test before you bond.
Jun 27, 2026
Article 0070 Field Kits vs. Lab Analysis in the Race Against Chemistry Change
Jun 18, 2026
Article 0069 A disbonded coating can wall off the very steel it was meant to protect.
Jun 10, 2026
Article 0068 Where OIL RIG came from, why the names mislead, and the trap that catches good techs.
Jun 3, 2026
Article 0067 Your potential tells a story. An external corrosion coupon tells the truth.
Jun 1, 2026
Article 0066 Protecting the Coating After Inspection is Done
May 29, 2026
Article 0065 When the voltmeter reads protection but the steel is still corroding — and how the composite reading hides what's actually happening at the pipe.
May 22, 2026
Article 0064 How each method works, where each tends to do well, where each tends to struggle, and what to weigh when you're deciding between them.
May 15, 2026
Article 0063 On the generation of corrosion technicians that's retiring, the one coming up behind it, and what gets lost in the handoff.
May 10, 2026
Article 0062 When CP is Pushed Past its Upper Limit
May 4, 2026
Article 0061 Why the Small Details Often Decide Coating Performance
May 3, 2026
Article 0060 Why the Ohmmeter Lies - and What to Use Instead
Apr 28, 2026
Article 0059 A systematic approach to diagnosing rectifier problems from the incoming AC to the output terminals
Apr 26, 2026
Article 0058 Design calculations get you close. Field testing gets you there.
Apr 21, 2026
Article 0057 A field-first guide to capturing, labeling, organizing, and preserving inspection photos that still make sense later.
Apr 19, 2026
Article 0056 How to screen for AC-induced corrosion risk during a close interval survey
Apr 16, 2026
Article 0055 Test Procedure, Worked Calculations, Anode Bed Design, and Why the Numbers Tell You More Than You Think
Apr 12, 2026
Article 0054 When the Amps Drop to Zero
Apr 11, 2026
Article LJM 005 What is CIS?