IA Content 2023.03

Release note 1GD & GT - Plastics Team. Accommodated several edits related to plastic lines. GT & HL - Valve Rule Team. Provided edits related to Valve Rule litigation and Gas Gathering. See summary document for more details.#

Summary attachment 1, passage 1Overview Summary of IA Federal 2023.03 Changes (September, 2023) Item 1 Description GD & GT - Plastics Team. Accommodated several edits related to plastic lines. 2 GT & HL - Valve Rule Team. Provided edits related to Valve Rule litigation and Gas Gathering. Listing of Federal 2023.03 Protocol Revision Sets (PRSs): Federal PRS Edited for 2023.03 Description DA No Drug & Alcohol Gas Distribution GD Yes Gas Transmission GT Yes HL Yes Hazardous Liquid LNG No Liquefied Natural Gas Page 1 of 4#

Summary attachment 1, passage 2FED.2023.03 (SEPTEMBER, 2023) PRS Summary Update. This was an Off-Schedule Update. FINAL 2023.09.15 (TF) Source Owner Team Submitter/Owner/Lead Date Rcvd Final PRS Question ID (or other) Issues? IAC Edit Details (Sept. 2023) GD.2023.03 GD.2023.03 email Plastic Team Geralda / Chris McLaren 7/20/2023 GD.2023.03 DC.PLASTIC.PLASTICFITTING.P N 2023.03 - Added 192.149(c), per the Plastics Team. (9/23; TF). email Plastic Team Geralda / Chris McLaren 7/20/2023 GD.2023.03 DC.PLASTIC.PLASTICFITTING.R N 2023.03 - Added 192.149(c), per the Plastics Team. (9/23; TF). GT.2023.03 GT.2023.03 email Plastic Team Geralda / Chris McLaren 7/20/2023 GT.2023.03 DC.DPC.STANDARDFITTING.P N 2023.03 - Added 192.143(a)/(b); Deleted Consideration #3, as .143(c) is plastic only, per the Plastics Team. (9/23; TF). email Plastic Team Geralda / Chris McLaren 7/20/2023 GT.2023.03 DC.DPC.STANDARDFITTING.R N 2023.03 - Added 192.143(a)/(b); Deleted Consideration #3, as .143(c) is plastic only, per the Plastics Team. (9/23; TF). email Plastic Team Geralda / Chris McLaren 7/20/2023 GT.2023.03 DC.DPC.STANDARDFITTING.O N 2023.03 - Added 192.143(a)/(b); Deleted Consideration #2, as .143(c) is plastic only, per the Plastics Team. (9/23; TF). email Plastic Team Geralda / Chris McLaren 7/20/2023 GT.2023.03 DC.PLASTIC.PLASTICFITTING.P N 2023.03 - Added 192.149(c), per the Plastics Team. (9/23; TF). email Plastic Team Geralda / Chris McLaren 7/20/2023 GT.2023.03 DC.PLASTIC.PLASTICFITTING.R N 2023.03 - Added 192.149(c), per the Plastics Team. (9/23; TF). HL.2023.03 HL.2023.03 IA-Support IAT IAT / Rod Seeley 8/14/2023 HL.2023.03 SRN.GENERAL.ADB.S N 2023.03 - Added ADB-2022-01, "Geological Hazards." email Valve Rule Team Chris M. / Todd D. 7/6/2023 HL.2023.03 DC.CO.VALVELOCATION.P N 2023.03 - Added "Additional Considerations for Gathering Lines," per Valve Rule / Chris McLaren. (9/23; TF). email Valve Rule Team Chris M. / Todd D. 7/6/2023 HL.2023.03 DC.CO.VALVELOCATION.R N 2023.03 - Added "Additional Considerations for Gathering Lines," per Valve Rule / Chris McLaren. (9/23; TF). email Valve Rule Team Chris M. / Todd D. 7/6/2023 HL.2023.03 DC.CO.VALVELOCATION.O N 2023.03 - Added "Additional Considerations for Gathering Lines," per Valve Rule / Chris McLaren. (9/23; TF). 2 of 4#

Summary attachment 1, passage 3FED.2023.03 (SEPT. 2023) PRS Update for GT and HL - Valve Rule Litigation Edits by Chris McLaren (7/6/23). Reviewed - CM and TF on 7/14/23. CM Revised on 8/03/23. TJD revised content on 8/17. Owner Team Submitter/Owner/Lead Date Rcvd PRS Question ID (or other) Chris edits Chris 8/3 Rev. 8/17 Final Revisions (TJD) Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 DC.DPC.RMVINSTALLHCA.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 DC.DPC.RMVINSTALLHCA.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 DC.DPC.ASVFLOWMODEL.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 DC.DPC.ASVFLOWMODEL.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 DC.DPC.VALVESPACE.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.COMMSYS.P x-see GGD (chris) 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/14/2023 GT.2023.03 EP.ERG.RESPONSE.P x-see GGD (tony) 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.NOTIFPOTRUPTURE.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.VALVESHUTOFF.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.VALVESHUTOFF.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.NOTIFPOTRUPTURE.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.RUPTUREIDENTIF.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.PRESSREDUCESD.P x-see GGD (chris) 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.AUTHORITIES.P x-see GGD (chris) 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/14/2023 GT.2023.03 EP.ERG.NOTIFY911.P x-see GGD (tony) 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/14/2023 GT.2023.03 EP.ERG.NOTIFY911.R x-see GGD (tony) 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.ERG.LIAISON.P x-see GGD (chris) 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/14/2023 GT.2023.03 EP.ERG.LIAISON.R x-see GGD (tony) 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.FII.INCIDENTANALYSIS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.FII.INCIDENTRMVANALYSIS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.FII.INCIDENTSUMMARY.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.FII.INCIDENTANALYSIS.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.FII.FAILUREANALYSIS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.FII.FAILURERMVANALYSIS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.FII.FAILURESUMMARY.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 EP.FII.FAILUREANALYSIS.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 IM.PM.PMMRMV.P x 8/3 - Deleted GG consid. Deleted change notes. 8/3 - Deleted GG consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 IM.PM.PMMRMV.R x 8/3 -Deleted GG consid. Deleted change notes. 8/3 -Deleted GG consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GM.AETREQUIREMENT.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GM.AETREQUIREMENT.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GM.RMVREMEDIAL.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GM.RMVREMEDIAL.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GM.ASVSHUTINPRESS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GM.ASVSHUTINPRESS.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GO.CLASSCHNGVALVSPACE.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GO.CLASSCHNGVALVSPACE.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 MO.GO.CLASSCHNGVALVSPACE.O x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 SRN.EP-FII.FAILUREINVEST.S x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 SRN.IM-PM.PMIMPGENERAL.S x 8/3 - Deleted GG consid. Deleted change notes. 8/3 - Deleted GG consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 SRN.IM-RA.RAMOD.S x 8/3 - Deleted GG consid. Deleted change notes. 8/3 - Deleted GG consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 GT.2023.03 SRN.MO-GO.OMPLANMOD.S x 8/17 - Deleted GG considerations consid. Deleted change notes. HL.2023.03 HL.2023.03 Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.VALVELOCATION.P x 8/21 - Keep consid IN, per CM 2023.03 - Added "Additional Considerations for Gathering Lines," per Valve Rule / Chris McLaren. (9/23; TF). Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.VALVELOCATION.R x 8/21 - Keep consid IN, per CM 2023.03 - Added "Additional Considerations for Gathering Lines," per Valve Rule / Chris McLaren. (9/23; TF). Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.VALVELOCATION.O x 8/21 - Keep consid IN, per CM 2023.03 - Added "Additional Considerations for Gathering Lines," per Valve Rule / Chris McLaren. (9/23; TF). Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.ASVFLOWMODEL.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.ASVFLOWMODEL.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.RMVINSTALLHCA.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.RMVINSTALLHCA.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.RMVINSTALL.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.RMVINSTALL.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 DC.CO.RMVINSTALL.O x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.ERL.LIAISON.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.ERL.NOTICES.P x 8/17 - Deleted GG considerations consid. Deleted change notes. 3 of 4#

Summary attachment 1, passage 4FED.2023.03 (SEPT. 2023) PRS Update for GT and HL - Valve Rule Litigation Edits by Chris McLaren (7/6/23). Reviewed - CM and TF on 7/14/23. CM Revised on 8/03/23. TJD revised content on 8/17. Owner Team Submitter/Owner/Lead Date Rcvd PRS Question ID (or other) Chris edits Chris 8/3 Rev. 8/17 Final Revisions (TJD) Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.ERL.NOTIFPOTRUPTURE.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.ERL.VALVESHUTOFF.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.ERL.VALVESHUTOFF.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.ERL.NOTIFPOTRUPTURE.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.ERL.RELEASEREDUCE.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.ERL.NOTIFY911.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.FAI.ACCIDENTANALYSIS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.FAI.ACCIDENTRMVANALYSIS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.FAI.ACCIDENTSUMMARY.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.FAI.ACCIDENTANALYSIS.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.FAI.FAILUREANALYSIS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.FAI.FAILURERMVANALYSIS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.FAI.FAILURESUMMARY.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 EP.FAI.FAILUREANALYSIS.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 IM.PM.PMMEFRDREQUIRED.P x 8/3 - Deleted IM/EFRD consid. Deleted change notes. 8/3 - Deleted IM/EFRD consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 IM.PM.PMMEFRDREQUIRED.R x 8/3 - Deleted IM/EFRD consid. Deleted change notes. 8/3 - Deleted IM/EFRD consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 IM.PM.PMMEFRDOTHER.P x 8/3 - Deleted IM/EFRD consid. Deleted change notes. 8/3 - Deleted IM/EFRD consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 IM.PM.PMMEFRDOTHER.R x 8/3 - Deleted IM/EFRD consid. Deleted change notes. 8/3 - Deleted IM/EFRD consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 MO.LM.VALVEMAINTSEMIANN.P x 8/17 - Deleted GG considerations and deleted considerations related to the tech. correction(TJD) Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 MO.LM.AETREQUIREMENT.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 MO.LM.AETREQUIREMENT.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 MO.LM.RMVREMEDIAL.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 MO.LM.RMVREMEDIAL.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 MO.LM.ASVSHUTINPRESS.P x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 MO.LM.ASVSHUTINPRESS.R x 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 SRN.EP-FAI.FAILUREINVEST.S x 8/3 - Replaced new Gath. consids #1/2. Change Notes edit not reqd. 8/17 - Deleted GG considerations consid. Deleted change notes. Valve Rule Team Chris McLaren 7/6/2023 HL.2023.03 SRN.IM-PM.PREVMITIGIMPL.S x 8/3 - Deleted IM/EFRD consid. Deleted change notes. 8/3 - Deleted IM/EFRD consid. Deleted change notes. 4 of 4#