Intermountain Gas 251117 IPUC Form 1 IGC Nampa LNG

IPUC Pipeline Safety Inspection
Inspector(s): Galli, Perkins, Brooks Date(s): 251105, 12, 17, 18
Company/Owner: Intermountain Gas Company Unit/OPID: 8160
Standard: ® Training: ❑ TIMP/DIMP: ❑ OQ: ❑
Incident: ❑ Damage Prevention: ❑ Drug&Alcohol: ❑ Inspection Days: 5.5
The audit encompassed a detailed review of Intermountain Gas Company's (IGC)Nampa LNG
Procedures, 2024 Records, and Site Observations. Activities were conducted virtually and at the Nampa
LNG plant ensuring comprehensive coverage of operational and compliance elements.
November 5 & 12,2025: (2.5 Standard Prep (Galli 1.5) (Perkins 1.0)
Inspector Galli and Perkins conducted a thorough review of operational procedures and prepared the
necessary documentation for records and observation inspections. The procedures were evaluated against
the 2022 inspection results and the PHMSA Inspector Assistant(IA) question set to ensure consistency and
comprehensive coverage.
November 17, 2025: (2.0 Standard) (Galli 1.0) (Brooks 1.0)
Inspectors Galli and Brooks met IGC personnel to conduct a comprehensive audit encompassing
procedural review,records examination, and site observation.
November 18, 2025: (1.0 Standard) (Galli 1.0) Completed IPUC Form 1, and the Post-Inspection Written
Preliminary Findings and wrote NOPV#I202516, had a virtual exit briefing with compliance staff and sent
Post-Inspection Written Preliminary Findings to Colby Lundstrom, Manager of Operations Compliance.
Discrepancies:
1. Truck transfer checklist does not align with truck transfer procedures in OPS 650.
2. Recommend adding a requirement to use a JSA to the truck transfer procedures and checklist to
align with the scope of SF422.
3. No requirement in OPS 650 to retain records of inspections, tests and investigations for 5 years.
4. OPS 650 Section 5.1.4. shall include fluids at the end to match 193.2615(b)
5. OPS 650 does not have a procedure addressing CFR 193.2629 external corrosion procedures of
buried or submerged components.
6. Recommend changing OPS 650 Section 3.1.12 "In the event of an emergency manual and/or
controlled shutdown of Facility operations".
7. Recommend adding a section in OPS 650 and the Security Training Manual explaining
193.2903(a)
8. Reviewed vaporization logs and vaporizer data plates,but no Data Sheets or Vaporizer design
records were provided.
IPUC Form 1 Rev. 12/11/2024

IPUC Pipeline Safety Inspection
Corrective Action Required: ® Yes ❑ No Compliance Letter#: NOPV I202517
Follow Up Required: ® Yes ❑ No By Date: January 2, 2026
Lead Inspector: GaIR Date: Reviewer: Brooks Date:
251118 )�OI0
Signature: �--�� � Signature:
IPUC Form 1 Rev.12/11/2024