15/06/ Test procedure Current 3mA +/- 0.02mA. Section Cathodic Disbondment of the Coating

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Document Name Standard Date / Edition Applicable Section Test Type AS+4352-2005 AS 4352-2005 Australian Standard Tests for coating resistance to cathodic disbonding CSA Z245 20 02 Z245 21 02 Z245.

1 Document Name Standard Date / Edition Applicable Section Test Type AS AS Australian Standard Tests for coating resistance to cathodic disbonding CSA Z Z Z External Fusion Bond Epoxy Steel Coating for Pipe (fourth Edition) 15/06/ Test procedure Current 3mA +/- 0.02mA Fourth Edition - November 2002 Section Coating Section Disbondment of Strained Coating Value Tolerance Duration Logging Interval 1) 24 hrs 2) 28 days Voltage a) 1.5 V b) 3.5 V 65 degrees C Voltage 1.5 V (negative with a) 28 days b) 24 hrs Not exceeding 3 days or "as deemed appropriate" 28 days Summary of Disbondment Test standards Page 1 issued: 12/11/2013 by GJW

02mA Fourth Edition - November 2002 Section 12.8 - Coating Section 12.

2 Z & Z Z External Polyethylene Coating for Pipe (third Edition) Z Third Edition - November 2002 December 2006 Fifth Edition Section Coating coating 12.8 Voltage a) 1.5 V b) 1.5 c) 3.5 V 65 degrees C Voltage (All voltages negative with the i) ii) iii) iv) a) 28 days b) 28 days c) 24 hours (All test times) i) 28 days ii) 24 hrs iii) 28 days iv) 28 days Summary of Disbondment Test standards Page 2 issued: 17/01/2011 by GJW

5 V @maximum c) 3.5 V 65 degrees C Voltage (All voltages negative with the i) 1.5 V @ 20 ii) 3.5 V @ 65 iii) 1.5 V @ 65 iv) 1.

3 Z December 2006 Fourth Edition strained coating coating 12.3 Voltage use test i) from section 12.8 of the same standard Voltage a) 1.5 V b) 1.5 c) 3.5 V 65 degrees C a) 28 days b) 28 days c) 24 hours Summary of Disbondment Test standards Page 3 issued: 17/01/2011 by GJW

4 CSA Z Ext Polyethylene Z Plant Applied Polyethylene Coating for steel CSA Z FBE Z Plant Applied external fusion bond epoxy coating for steel pipe May 2010 Section Coating May 2010 Section Coating Voltage a) 1.5 V b) 1.5 c) 3.5 V 65 degrees C Voltage (All voltages negative with the i) a) 28 days b) 28 days c) 24 hours +/- 0.15V (All test times) i) 28 days within 24 Summary of Disbondment Test standards Page 4 issued: 17/01/2011 by GJW

8 - Coating Voltage a) 1.5 V b) 1.5 V @maximum c) 3.5 V 65 degrees C Voltage (All voltages negative with the i) 1.

5 CSA Z PU Foam CSA Z SERIES 2010 Z Plantapplied external polyurethane foam insulation coating for steel pipe CZA Standard Z Plant-applied external fusion bond epoxy coating for steel pipe May 2010 Sixth edition May 2010 Section Disbondment of Strained Coating Cross refers to CSA Z clause 12.3 and CSA Z clause disbondment of the coating Voltage (All voltages negative with the i) ii) iii) iv) Voltage (All voltages negative with the i) ii) iii) iv) /- 0.15V (All test times) i) 28 days ii) 24 hrs iii) 28 days iv) 28 days V (All test times) i) 28 days ii) 24 hrs iii) 28 days iv) 28 days Summary of Disbondment Test standards Page 5 issued: 17/01/2011 by GJW

3 and CSA Z245.20 clause 12.8 12.8 disbondment of the coating Voltage (All voltages negative with the i) 1.5 V @ 20 ii) 3.5 V @ 65 iii) 1.5 V @ 65 iv) 1.

6 CSA Z SERIES 2010 CZA Standard Z Plant-applied external polyethylene coating for steel pipe Z Plantapplied external polyurethane foam insulation coating for steel pipe Fifth Edition May 2010 First Edition May disbondment of strained coating 12.3 disbondment of the coating Cross refers to CSA Z clause 12.3 and CSA Z clause 12.8 Voltage use test i) from section 12.8 of the same standard Voltage a) 1.5 V b) 1.5 c) 3.5 V 65 degrees C a) 28 days b) 28 days c) 24 hours Summary of Disbondment Test standards Page 6 issued: 17/01/2011 by GJW

13 disbondment of strained coating 12.3 disbondment of the coating Cross refers to CSA Z245.21 clause 12.3 and CSA Z245.20 clause 12.

7 G (Re 2003) ASTM G Standard Test Method for Disbonding of Pipeline Coatings Subjected to Elevated Temperatures ASTM G 8-96 Standard Test Method for Disbonding of Pipeline Coatings G95-07(2013) ASTM G Standard Test Method for Disbonding of Pipeline Coatings (Attached Cell Method) NF A November 1992 French Standard NF A Reapproved 2003 Voltage -1.5 V at 25 deg C V at V 30 days Reapproved 2003 Voltage -1.5V V 30 days. Optionally other test periods such as 60 or 90 days 2013 Voltage -3 V DC with days electrode November 1992 Voltage 1500 mv negative with Calomel Electrode 1) ) ) ) Every 24 hours Others by Summary of Disbondment Test standards Page 7 issued: 17/01/2011 by GJW

5 V at 25 deg C -1.53 V at 60 +- 0.01V 30 days Reapproved 2003 Voltage -1.5V +-0.01V 30 days. Optionally other test periods such as 60 or 90 days 2013 Voltage -3 V DC with +-0.

8 NF A Standard NF EN ISO 15711:2003(E) French Standard NF A French Standard A confirms adoption of European Standard NF EN ISO Paints and varnishes Determination of resistance to cathodic disbonding of coatings exposed to sea water March 1988 March st Edition Appendix K TEST FOR ASSESSING THE RESISTANCE TO PEELING UNDER NEGATIVE POLARIZATION Polypropeylene Epoxy powder Voltage -1.5V 0.10% 7 days Every 24 hr Voltage polarisation potential mv (-1500 mv if saturated electrode used) Voltage polarisation potential mv (-1500 mv if saturated electrode used) 23 2) ) 2 days at ) ) 2 days at 60 First edition 2003 Voltage V +/-5mV 26 weeks Summary of Disbondment Test standards Page 8 issued: 17/01/2011 by GJW

resistance to cathodic disbonding of coatings exposed to sea water March 1988 March 2006 1st Edition Appendix K TEST FOR ASSESSING THE RESISTANCE TO PEELING UNDER NEGATIVE POLARIZATION Polypropeylene

9 ISO_ :2008 ISO /12/2008 FirstEdition Bituminous, petrolatum, wax and polymeric coating Heat shrinkable Coatings Fusion-bonded epoxy (FBE powder Coatings) Voltage -1500mV between working and electrodes or - 500mV if saturated electrode used Voltage -1500mV between working and electrodes or - 500mV if saturated electrode used Voltage 1) -1.5V 2) -3.5V 3) -1.5V 23 2) For PPT or 28 max by 23 2) For PPT or 28 max by 23 2) ) Summary of Disbondment Test standards Page 9 issued: 17/01/2011 by GJW

saturated electrode used Voltage 1) -1.5V 2) -3.5V 3) -1.

10 Liquid Coatings Polyolefin -based Coatings Elastomeric Coatings Voltage -1500mV between working and electrodes or - 500mV if saturated electrode used Applied V Applied V -1500mV between working and electrodes or - 500mV if saturated electrode used -1500mV between working and electrodes or - 500mV if saturated electrode used 23 2) For PPT or 28 max by 23 2) For PPT or 28 max by 23 2) For PPT or 28 max by Summary of Disbondment Test standards Page 10 issued: 17/01/2011 by GJW

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