IGC LNG 2018

Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty not to exceed $100,000 for each violation Form Approved
for each day the violation continues up to a maximum of $1,000,000 as provided in 49 USC 60122. OMB No. 2137-0522
Expires: 8/31/2020
Reproduction of this form is permitted.
U.S. Department of
Transportation
Pipeline and Hazardous
Materials
Safety Administration
ANNUAL REPORT FOR CALENDAR YEAR 2018
LIQUEFIED NATURAL GAS (LNG) FACILITIES
Initial Date
Submitted 02/26/2019
Report
Submission
Type
SUPPLEME
NTAL
Date
Submitted 02/11/2020
A federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to a penalty for failure to
comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a
current valid OMB Control Number. The OMB Control Number for this information collection is 2137-0522. Public reporting for this collection of
information is estimated to be approximately 12 hours per response, including the time for reviewing instructions, gathering the data needed, and
completing and reviewing the collection of information. All responses to this collection of information are mandatory. Send comments regarding
this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to: Information Collection
Clearance Officer, PHMSA, Office of Pipeline Safety (PHP-30) 1200 New Jersey Avenue, SE, Washington, D.C. 20590.
Important: Please read the separate instructions for completeing this form before you begin. They clarify the information requested and provide
specific examples. If you do not have a copy of the instructions, you can obtain one from the PHMSA Pipeline Safety Community Web Page at
http://www.phmsa.dot.gov/pipeline/library/forms
PART A - OPERATOR INFORMATION DOT USE ONLY 20190016 - 00973
1. OPERATOR'S 5 DIGIT IDENTIFICATION NUMBER (OPID)

8160
2. NAME OF COMPANY OR ESTABLISHMENT:
INTERMOUNTAIN GAS CO

IF SUBSIDIARY, NAME OF PARENT:
MDU Resources,Inc
3. INDIVIDUAL WHERE ADDITIONAL INFORMATION MAY BE
OBTAINED:
Name: Craig Chapin
Title: Director - Engineering Services
Email Address: [e-mail]
Telephone Number: [phone]
4. HEADQUARTERS ADDRESS:
555 SOUTH COLE ROAD, BOISE
Street Address
State: ID Zip Code: 83709
[phone]
Telephone Number
5.RESERVED
Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty not to exceed $100,000 for each violation Form Approved
for each day the violation continues up to a maximum of $1,000,000 as provided in 49 USC 60122. OMB No. 2137-0522
Expires: 8/31/2020
Reproduction of this form is permitted.
PART B - PLANT DESCRIPTION, TYPE, AND FUNCTION
Name,ID,and Status,should be EXACTLY THE SAME as NPMS fields LNG_NM,LNG_ID,and STATUS_CD.
Location must match the location submitted to NPMS.The LNG Facility ID (LNG_ID in NPMS)is a unique ID for a
specific facility and is assigned by the Operator.
Use the following key to complete the Descriptive table(s)below:
Status Codes LNG Source
I In Service T Truck
B Abandoned R Railroad
R Retired M Ship/Barge
L Liquefaction
Type of LNG Plant Function of LNG Plant
BL Base Load MI Marine Terminal -Import
PS Peak Shaving ME Marine Terminal -Export
SA Satellite MB Marine Terminal -Both
MT Mobile/Temporary SL Storage w/Liquefaction
OT Other:Describe SN Storage w/o Liquefaction
SB Storage w/Both
SU Stranded Utility
VF Vehicular Fuel
NR Nitrogen Rejection Unit
OT Other:Describe
Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty not to exceed $100,000 for each violation Form Approved
for each day the violation continues up to a maximum of $1,000,000 as provided in 49 USC 60122. OMB No. 2137-0522
Expires: 8/31/2020
Reproduction of this form is permitted.
LNG Plant
Name of LNG Plant NAMPA LNG PLANT
NPMS LNG ID
Location of Plant
For a fixed LNG Plant,
provide the State (e.g., TX); for a
Mobile/Temporary facility, provide the
Zip Code where it is typically stored.
ID
Zip code 83687
Plant Status I
Date Put In Service 12/15/1974
Process
Maximum Liquefaction Rate
(MMCF/D)
4
Number of Vaporizers 3
Maximum Vaporization Capacity
(MMCF/D)
60
LNG Source L
Interstate or Intrastate Intrastate
LNG Storage
Number of LNG Tanks 1
Total Capacity (Bbls)175000
Type of LNG Plant PS
Function of LNG Plant SL
Inspection UNIT ID
(DOT INTERNAL USE ONLY)
88929
LNG Plant
Name of LNG Plant REXBURG SATELLITE LNG FACILITY
NPMS LNG ID REXBURG LNG
Location of Plant
For a fixed LNG Plant,
provide the State (e.g., TX); for a
Mobile/Temporary facility, provide the
Zip Code where it is typically stored.
ID
Zip code 83440
Plant Status I
Date Put In Service 11/15/2006
Process
Maximum Liquefaction Rate
(MMCF/D)
0
Number of Vaporizers 1
Maximum Vaporization Capacity
(MMCF/D)
19
LNG Source T
Interstate or Intrastate Intrastate
LNG Storage
Number of LNG Tanks 1
Total Capacity (Bbls)1666
Type of LNG Plant SA
Function of LNG Plant SN
Inspection UNIT ID
(DOT INTERNAL USE ONLY)
88929
Notice: This report is required by 49 CFR Part 191. Failure to report may result in a civil penalty not to exceed $100,000 for each violation Form Approved
for each day the violation continues up to a maximum of $1,000,000 as provided in 49 USC 60122. OMB No. 2137-0522
Expires: 8/31/2020
Reproduction of this form is permitted.
For each LNG Plant listed above (that is, for each column completed above), complete PARTs C and D.

LNG Plant NAMPA LNG PLANT
Any leaks?No
Any other events?No
LNG Plant REXBURG SATELLITE LNG FACILITY
Any leaks?No
Any other events?No
IF PARTS C and/or D DO NOT PRINT BELOW FOR ANY PLANT LISTED ABOVE, IT IS BECAUSE THE OPERATOR HAS
REPORTED THAT THERE ARE NO LEAKS OR OTHER EVENTS TO REPORT FOR THAT FACILITY
PART E - PREPARER SIGNATURE
Craig Chapin
Preparer's Name
[phone]
Telephone Number
Director - Engineering Services
Preparer's Title
Facsimile Number
[e-mail]
Preparer's E-mail Address