+------------------------------+------------+--------------------------+
| Number range CHAPTER         | ######     |                          |
|                              |  Company I |                          |
|                              | nformation |                          |
+------------------------------+------------+--------------------------+
| ### Na                       |            |                          |
| tural Gas STAR International |            |                          |
|                              |            |                          |
| ![](media/image1.wmf)        |            |                          |
|                              |            |                          |
| ##                           |            |                          |
|                              |            |                          |
| ##                           |            |                          |
|                              |            |                          |
| ##                           |            |                          |
|                              |            |                          |
| #                            |            |                          |
| # ![](media/image2.jpeg){wid |            |                          |
| th="2.2881944444444446in" he |            |                          |
| ight="0.8909722222222223in"} |            |                          |
|                              |            |                          |
| ##                           |            |                          |
|                              |            |                          |
| ##                           |            |                          |
|                              |            |                          |
| ##                           |            |                          |
|                              |            |                          |
| ## Implementation            |            |                          |
|                              |            |                          |
| ## Plan                      |            |                          |
+------------------------------+------------+--------------------------+
|                              | Company    | \_\_                     |
|                              | Name:      | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | Gas Star   | \_\_                     |
|                              | Contact:   | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | Title:     | \_\_                     |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | Address:   | \_\_                     |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              |            | \_\_                     |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | City:      | \_\_                     |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | Country:   | \_\_                     |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | Telephone: | \_\_                     |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | Fax:       | \_\_                     |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | E-mail:    | \_\_                     |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
|                              |            | \_\_\_\_\_\_\_\_\_\_\_\_ |
+------------------------------+------------+--------------------------+
|                              | This       |                          |
|                              | impl       |                          |
|                              | ementation |                          |
|                              | plan       |                          |
|                              | pertains   |                          |
|                              | to the     |                          |
|                              | company's  |                          |
|                              | operations |                          |
|                              | in (please |                          |
|                              | specify    |                          |
|                              | country)\* |                          |
|                              | :          |                          |
|                              |            |                          |
|                              | \_\_       |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              |            |                          |
|                              | #####      |                          |
|                              | #### This  |                          |
|                              | implementa |                          |
|                              | tion plan  |                          |
|                              | includes p |                          |
|                              | lanned act |                          |
|                              | ivities fo |                          |
|                              | r the foll |                          |
|                              | owing faci |                          |
|                              | lities or  |                          |
|                              | locations: |                          |
|                              |            |                          |
|                              | \_\_       |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              |            |                          |
|                              | \_\_       |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              |            |                          |
|                              | \_\_       |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
|                              | \_\_\_\_\_ |                          |
+------------------------------+------------+--------------------------+
| ##### The pu                 |            |                          |
| rpose of this Implementation |            |                          |
|  Plan is to guide your compa |            |                          |
| ny's participation in Natura |            |                          |
| l Gas STAR International. Pl |            |                          |
| ease evaluate the technologi |            |                          |
| es and practices that your c |            |                          |
| ompany is currently implemen |            |                          |
| ting as well as additional t |            |                          |
| echnologies and practices th |            |                          |
| at, if implemented, would be |            |                          |
|  beneficial to your company. |            |                          |
|                              |            |                          |
| The Implementation Plan is   |            |                          |
| designed to be a dynamic     |            |                          |
| tool for Natural Gas STAR    |            |                          |
| International partners to    |            |                          |
| plan their Program           |            |                          |
| activities. As company       |            |                          |
| priorities and plans shift   |            |                          |
| over time, the               |            |                          |
| Implementation Plan may be   |            |                          |
| revised or updated by        |            |                          |
| submitting a new form to the |            |                          |
| Program.                     |            |                          |
+------------------------------+------------+--------------------------+
| #####                        |            |                          |
| Implementation Plan Elements |            |                          |
+------------------------------+------------+--------------------------+
| **ELEMENT 1 -- Evaluate Past |            |                          |
| and Current Reductions**     |            |                          |
|                              |            |                          |
| Partners are encouraged to   |            |                          |
| review current and past      |            |                          |
| activities that have         |            |                          |
| resulted in methane emission |            |                          |
| reductions. Reviewing these  |            |                          |
| activities will help guide   |            |                          |
| companies' participation in  |            |                          |
| Natural Gas STAR             |            |                          |
| International by creating a  |            |                          |
| base of understanding of     |            |                          |
| current activities to        |            |                          |
| facilitate planning of       |            |                          |
| future activities.           |            |                          |
+------------------------------+------------+--------------------------+
| **ELEMENT 2 - Emissions      |            |                          |
| Reduction Technologies &     |            |                          |
| Practices**                  |            |                          |
|                              |            |                          |
| Natural Gas STAR             |            |                          |
| International partners       |            |                          |
| reduce methane emissions     |            |                          |
| throughout their operations  |            |                          |
| by implementing a wide       |            |                          |
| variety of technologies and  |            |                          |
| practices. New partners are  |            |                          |
| encouraged to evaluate and   |            |                          |
| report current and new       |            |                          |
| technologies or practices    |            |                          |
| that cost effectively reduce |            |                          |
| methane emissions. A list of |            |                          |
| technologies and practices   |            |                          |
| that have been implemented   |            |                          |
| by industry partners and     |            |                          |
| reported to Natural Gas STAR |            |                          |
| is included in the appendix. |            |                          |
+------------------------------+------------+--------------------------+

\* Please submit a separate Implementation Plan for each country in
which you plan to implement Natural Gas STAR International.

EPA Form No. 5900-106

**ELEMENT 1**

+-----------------------------------------------------------------------+
| ##### Evaluate Past and Current Reductions                            |
+-----------------------------------------------------------------------+
| **A review of past and current methane emission reduction activities  |
| will help guide your company's participation in Natural Gas STAR      |
| International by creating a base of understanding of current          |
| activities to facilitate planning of future activities.**             |
|                                                                       |
| As a first step, many new partners find it useful to review and       |
| document past methane emissions reduction efforts. The process helps  |
| companies quantify the success of their past activities and target    |
| future emission reduction efforts.                                    |
|                                                                       |
| Will you include past activities in your annual report? Yes No        |
|                                                                       |
| If yes, please describe your company's plans for reviewing past       |
| emission reduction activities.                                        |
+-----------------------------------------------------------------------+

**ELEMENT 2**

####### 

+--------------------------------+-------------------------------------+
| ###### Emissions Redu          |                                     |
| ction Technologies & Practices |                                     |
+--------------------------------+-------------------------------------+
| Your company may implement a   |                                     |
| variety of technologies and    |                                     |
| practices to reduce methane    |                                     |
| emissions. Please complete     |                                     |
| this form indicating which     |                                     |
| technologies and practices you |                                     |
| are currently implementing and |                                     |
| those you plan to implement in |                                     |
| the future. For your           |                                     |
| reference, the appendix        |                                     |
| includes a list of proposed    |                                     |
| methane emission reduction     |                                     |
| technologies and practices and |                                     |
| conversion factors.            |                                     |
|                                |                                     |
| Please fill out a separate     |                                     |
| page for each technology or    |                                     |
| practice your company plans to |                                     |
| implement. (Please make        |                                     |
| additional copies, if          |                                     |
| necessary)                     |                                     |
+--------------------------------+-------------------------------------+
| ####                           |                                     |
| #### Technology or practice yo |                                     |
| ur company is currently implem |                                     |
| enting or will be implementing |                                     |
+--------------------------------+-------------------------------------+
| Name of Technology or Practice | Please provide a description of the |
| (choose from the list in the   | technology or practice and how you  |
| appendix or describe your      | plan to implement it *(including    |
| own):                          | location or facility where you plan |
|                                | to implement it)*:                  |
+--------------------------------+-------------------------------------+
| At what scale will you be      | Level of Implementation (check      |
| implementing this activity?    | one):                               |
|                                |                                     |
| > Company Wide                 | Number of units to be installed:    |
| >                              | \_\_\_\_\_units                     |
| > Pilot Project                |                                     |
| >                              | Frequency of practice:              |
| > Other                        | \_\_\_\_\_times/year                |
| > [                            |                                     |
|                  ]{.underline} |                                     |
+--------------------------------+-------------------------------------+
| #####                          |                                     |
| ### Additional Information on  |                                     |
| Anticipated Plans and Projects |                                     |
+--------------------------------+-------------------------------------+
| If additional space is needed, |                                     |
| please continue on the back.   |                                     |
+--------------------------------+-------------------------------------+

**ELEMENT 2**

####### 

+--------------------------------+-------------------------------------+
| ###### Emissions Redu          |                                     |
| ction Technologies & Practices |                                     |
+--------------------------------+-------------------------------------+
| Your company may implement a   |                                     |
| variety of technologies and    |                                     |
| practices to reduce methane    |                                     |
| emissions. Please complete     |                                     |
| this form indicating which     |                                     |
| technologies and practices you |                                     |
| are currently implementing and |                                     |
| those you plan to implement in |                                     |
| the future. For your           |                                     |
| reference, the appendix        |                                     |
| includes a list of proposed    |                                     |
| methane emission reduction     |                                     |
| technologies and practices and |                                     |
| conversion factors.            |                                     |
|                                |                                     |
| Please fill out a separate     |                                     |
| page for each technology or    |                                     |
| practice your company plans to |                                     |
| implement. (Please make        |                                     |
| additional copies, if          |                                     |
| necessary)                     |                                     |
+--------------------------------+-------------------------------------+
| ####                           |                                     |
| #### Technology or practice yo |                                     |
| ur company is currently implem |                                     |
| enting or will be implementing |                                     |
+--------------------------------+-------------------------------------+
| Name of Technology or Practice | Please provide a description of the |
| (choose from the list in the   | technology or practice and how you  |
| appendix or describe your      | plan to implement it *(including    |
| own):                          | location or facility where you plan |
|                                | to implement it)*:                  |
+--------------------------------+-------------------------------------+
| At what scale will you be      | Level of Implementation (check      |
| implementing this activity?    | one):                               |
|                                |                                     |
| > Company Wide                 | Number of units to be installed:    |
| >                              | \_\_\_\_\_units                     |
| > Pilot Project                |                                     |
| >                              | Frequency of practice:              |
| > Other                        | \_\_\_\_\_times/year                |
| > [                            |                                     |
|                  ]{.underline} |                                     |
+--------------------------------+-------------------------------------+
| #####                          |                                     |
| ### Additional Information on  |                                     |
| Anticipated Plans and Projects |                                     |
+--------------------------------+-------------------------------------+
| If additional space is needed, |                                     |
| please continue on the back.   |                                     |
+--------------------------------+-------------------------------------+

**ELEMENT 2**

####### 

+--------------------------------+-------------------------------------+
| ###### Emissions Redu          |                                     |
| ction Technologies & Practices |                                     |
+--------------------------------+-------------------------------------+
| Your company may implement a   |                                     |
| variety of technologies and    |                                     |
| practices to reduce methane    |                                     |
| emissions. Please complete     |                                     |
| this form indicating which     |                                     |
| technologies and practices you |                                     |
| are currently implementing and |                                     |
| those you plan to implement in |                                     |
| the future. For your           |                                     |
| reference, the appendix        |                                     |
| includes a list of proposed    |                                     |
| methane emission reduction     |                                     |
| technologies and practices and |                                     |
| conversion factors.            |                                     |
|                                |                                     |
| Please fill out a separate     |                                     |
| page for each technology or    |                                     |
| practice your company plans to |                                     |
| implement. (Please make        |                                     |
| additional copies, if          |                                     |
| necessary)                     |                                     |
+--------------------------------+-------------------------------------+
| ####                           |                                     |
| #### Technology or practice yo |                                     |
| ur company is currently implem |                                     |
| enting or will be implementing |                                     |
+--------------------------------+-------------------------------------+
| Name of Technology or Practice | Please provide a description of the |
| (choose from the list in the   | technology or practice and how you  |
| appendix or describe your      | plan to implement it *(including    |
| own):                          | location or facility where you plan |
|                                | to implement it)*:                  |
+--------------------------------+-------------------------------------+
| At what scale will you be      | Level of Implementation (check      |
| implementing this activity?    | one):                               |
|                                |                                     |
| > Company Wide                 | Number of units to be installed:    |
| >                              | \_\_\_\_\_units                     |
| > Pilot Project                |                                     |
| >                              | Frequency of practice:              |
| > Other                        | \_\_\_\_\_times/year                |
| > [                            |                                     |
|                  ]{.underline} |                                     |
+--------------------------------+-------------------------------------+
| #####                          |                                     |
| ### Additional Information on  |                                     |
| Anticipated Plans and Projects |                                     |
+--------------------------------+-------------------------------------+
| If additional space is needed, |                                     |
| please continue on the back.   |                                     |
+--------------------------------+-------------------------------------+

**Appendix A-1**

+-----------------------------------+-----------------------------------+
| **Methane Emission Reduction      |                                   |
| Technologies & Practices-         |                                   |
| Production Sector**               |                                   |
+-----------------------------------+-----------------------------------+
| **The list below describes a      |                                   |
| variety of methane emission       |                                   |
| reduction technologies and        |                                   |
| practices that Natural Gas STAR   |                                   |
| partners in the production sector |                                   |
| have implemented and reported to  |                                   |
| Natural Gas STAR. You may use     |                                   |
| this list as a guide when         |                                   |
| completing your Implementation    |                                   |
| Plan. More information on each of |                                   |
| these activities can be found at  |                                   |
| epa.gov/                          |                                   |
| gasstar/tools/recommended.html.** |                                   |
+-----------------------------------+-----------------------------------+
| ## Dehydrators                    | ## Compressors/Engines            |
|                                   |                                   |
| -   Convert gas-driven chemical   | -   Convert engine starting to    |
|     pumps to instrument air       |     nitrogen                      |
|                                   |                                   |
| -   Install condenser on glycol   | -   Install automated air/fuel    |
|     vent                          |     ratio control systems         |
|                                   |                                   |
| -   Install flash tank separators | -   Install electric compressors  |
|     on glycol dehydrators         |                                   |
|                                   | -   Install electric starters     |
| -   Install zero emissions        |                                   |
|     dehydrators                   | -   Install instrument air        |
|                                   |     systems                       |
| -   Link dehydrator unit to       |                                   |
|     incinerator                   | -   Redesign blowdown systems and |
|                                   |     alter ESD practices           |
| -   Pipe glycol dehydrator to     |                                   |
|     vapor recovery unit           | -   Reduce emissions when taking  |
|                                   |     compressors off-line          |
| -   Replace gas-assisted glycol   |                                   |
|     pumps with electric pumps     | -   Reduce emissions from         |
|                                   |     compressor rod packing        |
| -   Reduce/optimize glycol        |     systems                       |
|     circulation rates in          |                                   |
|     dehydrators                   | -   Reduce frequency of engine    |
|                                   |     starts with gas               |
| -   Replace glycol dehydration    |                                   |
|     units with methanol injection | -   Replace gas starters with air |
|                                   |                                   |
| -   Replace glycol dehydrators    | -   Replace ignition/reduce false |
|     with desiccant dehydrators    |     starts                        |
|                                   |                                   |
| -   Reroute glycol skimmer gas    | -   Replace wet compressor seals  |
|                                   |     with dry seals                |
| ## U                              |                                   |
| se portable desiccant dehydrators |                                   |
+-----------------------------------+-----------------------------------+
| ## Pipelines                      | ## Valves                         |
|                                   |                                   |
| -   Inspect flowlines annually    | -   Inspect and repair compressor |
|                                   |     station blowdown valves       |
| -   Install ejector               |                                   |
|                                   | -   Install BASO® valves          |
| -   Use composite wrap repair     |                                   |
|                                   | -   Replace burst plates with     |
| -   Use improved protective       |     secondary relief valves       |
|     coating at pipeline canal     |                                   |
|     crossings                     | -   Test and repair pressure      |
|                                   |     safety valves                 |
| -   Use portable compressors      |                                   |
|                                   | -   Test gate station pressure    |
|                                   |     relief valves with nitrogen   |
|                                   |                                   |
|                                   | -   Use ultrasound to identify    |
|                                   |     leaks                         |
+-----------------------------------+-----------------------------------+
| ## Tanks                          | **Wells**                         |
|                                   |                                   |
| -   Consolidate crude oil         | -   Connect casing to vapor       |
|     production and water storage  |     recovery unit                 |
|     tanks                         |                                   |
|                                   | -   Install capillary strings     |
| -   Convert water tank blanket    |                                   |
|     from natural gas to produced  | -   Install compressors to        |
|     CO~2~ gas                     |     capture casinghead gas        |
|                                   |                                   |
| -   Install pressurized storage   | -   Install downhole separator    |
|     of condensate                 |     pumps                         |
|                                   |                                   |
| -   Install vapor recovery units  | -   Install plunger lift system   |
|     on crude oil storage tanks    |     in gas wells                  |
|                                   |                                   |
| -   Recover gas from pipeline     | -   Install pumpjacks on low      |
|     pigging operations            |     water production gas wells    |
|                                   |                                   |
| -   Recycle line recovers gas     | -   Install gas well "smart"      |
|     during condensate loading     |     automation system             |
|                                   |                                   |
|                                   | -   Install velocity tubing       |
|                                   |     strings                       |
|                                   |                                   |
|                                   | -   Optimize gas well unloading   |
|                                   |     times                         |
|                                   |                                   |
|                                   | -   Perform green completions     |
|                                   |                                   |
|                                   | -   Use foaming agents            |
+-----------------------------------+-----------------------------------+
| **Pneumatics/Controls**           | **Other**                         |
|                                   |                                   |
| -   Convert gas pneumatic         | -   Conduct facility/process      |
|     controls to instrument air    |     optimization audit            |
|                                   |                                   |
| -   Convert pneumatics to         | -   Conduct directed inspection   |
|     mechanical controls           |     and maintenance at remote     |
|                                   |     sites                         |
| -   Install electronic flare      |                                   |
|     ignition devices              | -   Eliminate unnecessary         |
|                                   |     equipment and/or systems      |
| -   Install flash tank separators |                                   |
|     on glycol dehydrators         | -   Install electronic safety     |
|                                   |     devices                       |
|                                   |                                   |
|                                   | -   Install flares                |
|                                   |                                   |
|                                   | -   Lower heater-treater          |
|                                   |     temperature                   |
|                                   |                                   |
|                                   | -   Recover field gas             |
+-----------------------------------+-----------------------------------+

**Appendix A-2**

+-----------------------------------+-----------------------------------+
| **Methane Emission Reduction      |                                   |
| Technologies & Practices-         |                                   |
| Processing Sector**               |                                   |
+-----------------------------------+-----------------------------------+
| **The list below describes a      |                                   |
| variety of methane emission       |                                   |
| reduction technologies and        |                                   |
| practices that Natural Gas STAR   |                                   |
| partners in the processing sector |                                   |
| have implemented and reported to  |                                   |
| Natural Gas STAR. You may use     |                                   |
| this list as a guide when         |                                   |
| completing your Implementation    |                                   |
| Plan. More information on each of |                                   |
| these activities can be found at  |                                   |
| epa.gov/                          |                                   |
| gasstar/tools/recommended.html.** |                                   |
+-----------------------------------+-----------------------------------+
| ## Dehydrators                    | ## Compressors/Engines            |
|                                   |                                   |
| -   Convert gas-driven chemical   | -   Convert engine starting to    |
|     pumps to instrument air       |     nitrogen                      |
|                                   |                                   |
| -   Install condenser on glycol   | -   Install automated air/fuel    |
|     vent                          |     ratio control systems         |
|                                   |                                   |
| -   Install flash tank separators | -   Install electric compressors  |
|     on glycol dehydrators         |                                   |
|                                   | -   Install electric starters     |
| -   Install zero emissions        |                                   |
|     dehydrators                   | -   Lower purge pressure for      |
|                                   |     shutdown                      |
| -   Pipe glycol dehydrator to     |                                   |
|     vapor recovery unit           | -   Modify compressor shutdown    |
|                                   |     logic                         |
| -   Reduce/optimize glycol        |                                   |
|     circulation rates in          | -   Redesign blowdown systems and |
|     dehydrators                   |     alter ESD practices           |
|                                   |                                   |
| -   Replace gas-assisted glycol   | -   Reduce emissions when taking  |
|     pumps with electric pumps     |     compressors off-line          |
|                                   |                                   |
| -   Replace glycol dehydration    | -   Reduce frequency of engine    |
|     units with methanol injection |     starts with gas               |
|                                   |                                   |
| -   Replace glycol dehydrators    | -   Replace gas starters with air |
|     with desiccant dehydrators    |                                   |
|                                   | -   Replace ignition/reduce false |
| ## Reroute glycol skimmer gas     |     starts                        |
|                                   |                                   |
|                                   | -   Replace compressor rod        |
|                                   |     packing systems               |
|                                   |                                   |
|                                   | -   Replace wet compressor seals  |
|                                   |     with dry seals                |
+-----------------------------------+-----------------------------------+
| ## Pneumatics/Controls            | ## Tanks                          |
|                                   |                                   |
| -   Convert gas pneumatics to     | -   Install pressurized storage   |
|     instrument air systems        |     of condensate                 |
|                                   |                                   |
| -   Convert pneumatics to         | -   Install truck-loading VRUs on |
|     mechanical controls           |     liquid storage and transfer   |
|                                   |                                   |
| -   Install electronic flare      | -   Recover gas from pipeline     |
|     ignition devices              |     pigging operations            |
|                                   |                                   |
| -   Replace high-bleed pneumatic  | -   Recycle line recovers gas     |
|     devices                       |     during condensate loading     |
+-----------------------------------+-----------------------------------+
| ## Valves                         | ## Pipelines                      |
|                                   |                                   |
| -   Inspect and repair compressor | -   Use composite wrap repair     |
|     station blowdown valves       |                                   |
|                                   | -   Use hot taps for in service   |
| -   Replace burst plates with     |     pipeline connections          |
|     secondary relief valves       |                                   |
|                                   | -   Use improved protective       |
| -   Test and repair pressure      |     coating at pipeline canal     |
|     safety valves                 |     crossings                     |
|                                   |                                   |
| -   Test gate station pressure    | -   Use fixed/portable            |
|     relief valves with nitrogen   |     compressors for pipeline      |
|                                   |     pumpdown                      |
| -   Use of YALE closures for ESD |                                   |
|     testing                       | -   Use inert gases and pigs to   |
|                                   |     perform pipeline purges       |
| -   Use ultrasound to identify    |                                   |
|     leaks                         |                                   |
+-----------------------------------+-----------------------------------+
| ## Other                          |                                   |
|                                   |                                   |
| -   Conduct facility/process      |                                   |
|     optimization audit            |                                   |
|                                   |                                   |
| -   Conduct helicopter leak       |                                   |
|     surveys                       |                                   |
|                                   |                                   |
| -   Conduct nitrogen rejection    |                                   |
|     unit optimization             |                                   |
|                                   |                                   |
| -   Conduct directed inspection   |                                   |
|     and maintenance at gas plants |                                   |
|     and booster stations          |                                   |
|                                   |                                   |
| -   Conduct directed inspection   |                                   |
|     and maintenance at remote     |                                   |
|     sites                         |                                   |
|                                   |                                   |
| -   Eliminate unnecessary         |                                   |
|     equipment or systems          |                                   |
|                                   |                                   |
| -   Install flares                |                                   |
|                                   |                                   |
| -   Use IR camera/optical imaging |                                   |
|     for leak detection            |                                   |
+-----------------------------------+-----------------------------------+

**Appendix A-3**

+-----------------------------------+-----------------------------------+
| **Methane Emission Reduction      |                                   |
| Technologies & Practices-**       |                                   |
|                                   |                                   |
| **Transmission and Distribution   |                                   |
| Sectors**                         |                                   |
+-----------------------------------+-----------------------------------+
| **The list below describes a      |                                   |
| variety of methane emission       |                                   |
| reduction technologies and        |                                   |
| practices that Natural Gas STAR   |                                   |
| partners in the transmission and  |                                   |
| distribution sectors have         |                                   |
| implemented and reported to       |                                   |
| Natural Gas STAR. You may use     |                                   |
| this list as a guide when         |                                   |
| completing your Implementation    |                                   |
| Plan. More information on each of |                                   |
| these activities can be found at  |                                   |
| epa.gov/                          |                                   |
| gasstar/tools/recommended.html.** |                                   |
+-----------------------------------+-----------------------------------+
| ## Pipelines                      | ## Compressors/Engines            |
|                                   |                                   |
| -   Identify and rehabilitate     | -   Automate systems operations   |
|     leaky distribution pipe       |     to reduce venting             |
|                                   |                                   |
| -   Inject blowdown gas into low  | -   Convert engine starting to    |
|     pressure mains                |     nitrogen                      |
|                                   |                                   |
| -   Insert gas main flexible      | -   Install automated air/fuel    |
|     liners                        |     ratio control systems         |
|                                   |                                   |
| -   Install ejector               | -   Install electric compressors  |
|                                   |                                   |
| -   Reduce distribution system    | -   Install electric starters     |
|     pressure (manual)             |                                   |
|                                   | -   Install static pacs at        |
| -   Reinject blowdown gas         |     compressor stations           |
|                                   |                                   |
| -   Use composite wrap repair     | -   Lower purge pressure for      |
|                                   |     shutdown                      |
| -   Use hot taps for in service   |                                   |
|     pipeline connections          | -   Redesign blowdown systems and |
|                                   |     alter ESD practices           |
| -   Use inert gases and pigs to   |                                   |
|     perform pipeline purges       | -   Reduce emissions when taking  |
|                                   |     compressors off-line          |
| -   Use fixed/portable            |                                   |
|     compressors for pipeline      | -   Reduce frequency of engine    |
|     pumpdown                      |     starts with gas               |
|                                   |                                   |
| -   Use improved protective       | -   Replace compressor cylinder   |
|     coating at pipeline canal     |     unloaders                     |
|     crossings                     |                                   |
|                                   | -   Replace compressor rod        |
| -   Use automated systems to      |     packing systems               |
|     reduce pressure (e.g., smart  |                                   |
|     regulators/clocking           | -   Replace gas starters with air |
|     solenoids)                    |                                   |
|                                   | -   Replace ignition/reduce false |
| -   Use flares for pipeline       |     starts                        |
|     pumpdown/maintenance          |                                   |
|                                   | -   Replace wet compressor seals  |
|                                   |     with dry seals                |
|                                   |                                   |
|                                   | -   Use turbines at compressor    |
|                                   |     stations                      |
+-----------------------------------+-----------------------------------+
| ## Valves                         | ## Pneumatics/Controls            |
|                                   |                                   |
| -   Close main and unit valves    | -   Convert gas pneumatic         |
|     prior to blowdown             |     controls to instrument air    |
|                                   |                                   |
| -   Design isolation valves to    | -   Convert pneumatics to         |
|     minimize gas blowdown volumes |     mechanical controls           |
|                                   |                                   |
| -   Inspect and repair compressor | -   Identify and replace          |
|     station blowdown valves       |     high-bleed pneumatic devices  |
|                                   |                                   |
| -   Install excess flow valves    | -   Install electric flare        |
|                                   |     ignition devices              |
| -   Move fire gates in to reduce  |                                   |
|     venting at compressor         | -   Reduce frequency of replacing |
|     stations                      |     modules in turbine meters     |
|                                   |                                   |
| -   Perform leak repair during    | -   Replace bi-directional        |
|     pipeline replacement          |     orifice metering with         |
|                                   |     ultrasonic meters             |
| -   Replace burst plates with     |                                   |
|     secondary relief valves       |                                   |
|                                   |                                   |
| -   Test and repair pressure      |                                   |
|     safety valves                 |                                   |
|                                   |                                   |
| -   Test gate station pressure    |                                   |
|     relief valves with nitrogen   |                                   |
|                                   |                                   |
| -   Use YALE closures for ESD    |                                   |
|     testing                       |                                   |
|                                   |                                   |
| -   Use ultrasound to identify    |                                   |
|     leaks                         |                                   |
+-----------------------------------+-----------------------------------+
| ## Dehydrators                    | ## Tanks                          |
|                                   |                                   |
| -   Convert gas-driven chemical   | -   Capture methane released from |
|     pumps to instrument air       |     pipeline liquid tanks         |
|                                   |                                   |
| -   Install condenser on glycol   | -   Install pressurized storage   |
|     vent                          |     of condensate                 |
|                                   |                                   |
| -   Install zero emissions        | -   Install vapor recovery units  |
|     dehydrators                   |     on storage tanks              |
|                                   |                                   |
| -   Pipe glycol dehydrator to     | -   Purge and retire low pressure |
|     vapor recovery unit           |     gas holders                   |
|                                   |                                   |
| -   Replace gas-assisted glycol   | -   Recover gas from pipeline     |
|     pumps with electric pumps     |     pigging operations            |
|                                   |                                   |
| -   Replace glycol dehydrators    | -   Recycle line recovers gas     |
|     with separators and in-line   |     during condensate loading     |
|     heaters                       |                                   |
|                                   |                                   |
| -   Reroute glycol skimmer gas    |                                   |
+-----------------------------------+-----------------------------------+

**Appendix A-3 (continued)**

+-----------------------------------+-----------------------------------+
| **Methane Emission Reduction      |                                   |
| Technologies & Practices-**       |                                   |
|                                   |                                   |
| **Transmission and Distribution   |                                   |
| Sectors**                         |                                   |
+-----------------------------------+-----------------------------------+
| ## Other                          |                                   |
|                                   |                                   |
| -   Conduct helicopter leak       |                                   |
|     surveys                       |                                   |
|                                   |                                   |
| -   Conduct directed inspection   |                                   |
|     and maintenance at compressor |                                   |
|     stations                      |                                   |
|                                   |                                   |
| -   Conduct directed inspection   |                                   |
|     and maintenance at gate       |                                   |
|     stations and surface          |                                   |
|     facilities                    |                                   |
|                                   |                                   |
| -   Conduct directed inspection   |                                   |
|     and maintenance at remote     |                                   |
|     sites                         |                                   |
|                                   |                                   |
| -   Eliminate unnecessary         |                                   |
|     equipment and/or systems      |                                   |
|                                   |                                   |
| -   Increase walking survey from  |                                   |
|     5 to 3 year basis             |                                   |
|                                   |                                   |
| -   Install flares                |                                   |
|                                   |                                   |
| -   Require improvements in the   |                                   |
|     quality of gas received from  |                                   |
|     producers                     |                                   |
|                                   |                                   |
| -   Use IR camera/optical imaging |                                   |
|     for leak detection            |                                   |
+-----------------------------------+-----------------------------------+

**Appendix B**

+-----------------------------------+-----------------------------------+
| **Conversion Factors**            |                                   |
+-----------------------------------+-----------------------------------+
| **Please see below for a variety  |                                   |
| of conversion factors that might  |                                   |
| be useful when completing your    |                                   |
| Implementation Plan. Please       |                                   |
| contact Natural Gas STAR if you   |                                   |
| have questions about this         |                                   |
| information.**                    |                                   |
+-----------------------------------+-----------------------------------+
| ###                               |                                   |
|                                   |                                   |
| ### Gas Conversions               |                                   |
|                                   |                                   |
| Please report emissions           |                                   |
| reductions to Natural Gas STAR    |                                   |
| International in thousand cubic   |                                   |
| feet (Mcf).                       |                                   |
+-----------------------------------+-----------------------------------+
| 1 Cubic foot of methane = 1,014.6 |                                   |
| Btu                               |                                   |
|                                   |                                   |
| 1 Btu = 0.000986 Cubic feet of    |                                   |
| methane                           |                                   |
|                                   |                                   |
| 1 Cubic foot = 0.02832 Cubic      |                                   |
| meter                             |                                   |
|                                   |                                   |
| 1 Cubic meter = 35.312 Cubic feet |                                   |
|                                   |                                   |
| 1 Mile = 1.609 Kilometer          |                                   |
|                                   |                                   |
| 1 Kilometer = 0.6214 Mile         |                                   |
|                                   |                                   |
| 1 Btu = 251.996 Calories          |                                   |
|                                   |                                   |
| 1 Calorie = 0.00397 Btu           |                                   |
|                                   |                                   |
| 1 Btu = 1055.056 Joules           |                                   |
|                                   |                                   |
| 1 Joule = 0.00095 Btu             |                                   |
+-----------------------------------+-----------------------------------+

**Please send completed forms to:**

Roger Fernandez

The Natural Gas STAR Program

Team Leader

Phone: (01) (202) 343-9386

Fax: (01) (202) 343-2202

Email: [*fernandez.roger@epa.gov*](mailto:fernandez.roger@epa.gov)

[Standard Mail:]{.underline}

Roger Fernandez

The Natural Gas STAR Program

U.S. EPA (6207J)

1200 Pennsylvania Ave, NW

Washington, DC 20460

U.S.A.

[Express/Overnight Mail:]{.underline}

Roger Fernandez

The Natural Gas STAR Program

U.S. EPA (6207J)

1310 L Street, NW

Washington, DC 20005

U.S.A.