United States
Environmental Protection
Agency
Air and Radiation
6202J
EPA-430-N-02-OOS
Fall 2002
ATURAL GAS STAR
October 2002
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Natural Gas Industry Saves $126 Million
While Reducing Greenhouse Gas Emissions
WASHINGTON, DC—The Natural Gas STAR
Program's recently announced annual results for
2001 show that industry partners reduced
methane emissions from unit operations and
equipment leaks by 42 billion cubic feet (Bcf),
surpassing the 2001 program goal of 40 Bcf.
At a gas value of $3.00 per thousand cubic feet
(mcf), these gas savings are worth approxi-
mately $126 million.
Since the program's inception in 1993, Gas
STAR partners have reported total methane
emission reductions of 218 Bcf, worth over
$650 million. These reductions are the carbon
equivalent of eliminating the emissions from
more than 19 million cars for one year.
"Gas STAR continues to grow and to exceed
the ambitious methane reduction goals we've
set for ourselves," states Kevin Tingley, a Gas
STAR Program Manager. "Our success in 2001
is a testament to industry innovation and the
voluntary program approach."
Methane is second only to carbon dioxide
(CO2) as a contributor to global warming.
On a unit-by-unit basis, however, methane is
21 times more potent than CO2 in terms of its
global warming potential (its ability to trap heat
in the atmosphere). Because of this potency,
relatively small reductions in methane emissions
can have significant climate benefits.
In the United States, natural gas operations
are one of the leading sources of human-
related (anthropogenic) methane emissions.
EPA estimates that reductions of about
10 percent in worldwide emissions from
anthropogenic sources would halt the annual
rise in methane concentrations.
Greg Odegard, Vice President of Environ-
mental Health and Safety at El Paso Energy
Corporation, says, "Participation in Gas STAR
helps El Paso Energy achieve our corporate
goal of combining outstanding business
performance with outstanding environmental
performance." Odegard adds that his
company's participation in Gas STAR "makes
perfect environmental and business sense.
IN THIS ISSUE
2001 Partner Achievements 1
Tech. Transfer Workshops 3
New Partners 5
Gas STAR in the News 6
New EPA Partnerships 7
Research Update 9
Workshop Registration Form 10
Document Request Form 11
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Natural Gas Industry Saves $126 Million
continued from page I
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And the program offers unique
opportunities for technology transfer
within the industry."
According to EPA's latest, published
inventory of greenhouse gas emissions,
U.S. natural gas systems emitted a
total of 288 Bcf of methane in 2000.
That same year, Natural Gas STAR
partners reported methane emission
reductions of 34 Bcf, meaning that the
industry's methane emissions would
have been almost 12 percent higher
without the reductions achieved by
Gas STAR partners.
Promoting near-term opportunities for
reducing methane emissions is an
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www.epa.gov/gasstar
important part of the President's
proposed new global climate change
initiative (see article on p. 6).
Methane emission reductions can
often be achieved profitably with
existing technology. Companies
participating in EPA's Natural Gas STAR
Program, for example, generally
increase their profit margins by
reducing gas losses because the gas
saved can usually be sold.
Gas STAR is one of several voluntary
EPA programs that promote profitable
opportunities for reducing emissions of
methane. Other programs target
emissions from landfills, coal mines,
and agricultural industries.
The Natural Gas STAR Web site is your on-line source for STAR program
information, implementation tools, and emission reduction technologies. EPA has
made dramatic improvements to the site in the past 6 months! You'll find more
Lessons Learned studies, more PRO Fact Sheets, and more Partner Case Studies
than ever before, all in an easier-to-use format. Three new on-line tools—the
Economic Analysis Tool, the Data Collection and Management Tool, and the
On-line Reporting Tool—will help facilitate your decisions to implement emission
reduction activities and your efforts to track and record emission reduction data.
The Gas STAR site also links to Web sites of STAR partners and endorsers. For up-
to-date information, visit the STAR Web site at www.epa.gov/gasstar.
Natural Gas STAR Partner Update • October 2002
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Upcoming Producer Technology Transfer Workshops
In cooperation with the Texas Independent Producers and Royalty Owners Association (TIPRO), EPA is
co-sponsoring two technology transfer workshops for the production sector later this year and next year.
Workshop participants will receive up-to-date information on methane reduction technologies and practices, as
well as information about the Gas STAR program.
The first workshop will be in Amarillo, Texas, on Wednesday, November 6, and the second will be in Corpus
Christi, Texas, sometime next spring.
For more information, contact Kevin Tingley at EPA at 202/564-0374 or tingley.kevin@epa.gov. To confirm your
attendance, contact Steve Beach of TIPRO at 281/873-5070 or sbeach@tipro.org.
First Processors Technology Transfer Workshop
A Success
The Gas Processors Association (GPA) and EPA's Natural Gas STAR Program co-sponsored the
first processors technology transfer workshop on June 25, 2002, in Houston, Texas. The day-
long workshop drew one of the largest turn-outs of any of the 13 previous workshops Gas STAR
has co-sponsored. Partners, non-partners, service providers, and trade association
representatives participated actively in the discussions. Participants also included visitors from
the Ukraine and Venezuela.
Kevin Tingley, a Gas STAR Program Manager, kicked off the workshop by welcoming everyone
and providing an overview of the Natural Gas STAR Program. He discussed how the Gas STAR
processing sector program was developed and introduced the Best Management Practices
(BMPs) and Partner Reported Opportunities (PROs) that have been identified as promising for
this sector. He also highlighted the three new on-line tools that are making partner participation
in Gas STAR easier (see article on p. 5).
The workshop featured a series of detailed technical presentations on the processing sector's
BMPs (Convert Gas Pneumatic Controllers to Instrument Air, Using Desiccant Dehydration
Instead of Glycol Dehydration, and Directed Inspection and Maintenance at Gas Plants and
Booster Stations) and PROs.
The presentations focused on the economic and technical issues of implementing these
emission reduction technologies and practices. In addition, spreadsheet-based analytical tools
were introduced to help workshop participants assess the economic benefits of these projects.
Natural Gas STAR Partner Update • October 2002
-------
A highlight of the workshop was a presentation by Reid Smith of BP on
greenhouse gas reductions and business opportunities. BP has made a
commitment to achieve a 10-percent reduction in greenhouse gas emissions using
1990 as the baseline. Mr. Smith described the process of identifying opportunities
and implementing reductions as straightforward and simple, pointing out that
good emission reduction opportunities exist in the natural gas industry. One of his
key points was that the kind of cost-effective greenhouse gas emission projects
endorsed by the Natural Gas STAR Program can compete economically with
other projects a gas company might plan, such as exploration.
Participants had ample time between sessions to network and share experiences.
Because of the positive feedback and requests for future workshops, EPA plans to
co-host another gas processors technology transfer workshop in the summer of
2003. If you would like to suggest a location for a technology transfer workshop
or would like to get a copy of the presentation materials, contact Kevin Tingley at
tingley.kevin@epa.gov.
r\.
2002 Natural Gas STAR Implementation Workshop
Join us at the 9th Annual Natural Gas STAR Implementation Workshop scheduled for October 28 - 30, 2002 at
the Inter-Continental Hotel in Houston, Texas. EPA will update attendees on the program's accomplishments to
date and present awards to outstanding partners. On the agenda as keynote addresses are "Applying Gas STAR
Practices Internationally" and "Emissions Markets." Partner presenters will discuss their companies' successes
with implementing various emission reduction technologies and practices. Service Representatives will
demonstrate the three new on-line tools designed to make planning, data tracking, and reporting easier.
Planned roundtable discussion topics include "Streamlining Gas STAR Implementation in Your Company" and
"Default Value Analysis." We look forward to seeing all Gas STAR partners at the October workshop!
A registration form is provided on page 10.
Natural Gas STAR Partner Update • October 2002
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Gas STAR Welcomes New Partners
Williams Production RMT
Company
Willisins On e of th e'argest
**• natural gas producers
in the United States,
Williams Production RMT produces
580 million cubic feet of natural gas per
day and has reserves totalling 3.2 trillion
cubic feet. Based in Tulsa, Oklahoma,
Williams' production has been growing at
a compound rate of 44 percent per year
since 1996.
Houston Pipeline Company and Louisiana
Intrastate Gas
American Electric Power (AEP) has assembled a
strong natural gas asset base in Texas, Louisiana,
and the Gulf Coast through the addition of 4MB8OUI1
Houston Pipe Line Company (HPL) in 2001 and
Louisiana Intrastate Gas (LIG) in 1998. HPL
operates 4,200 miles of natural gas pipeline with a capacity of
approximately 2.4 billion cubic feet per day (Bcf/cl). Its storage
facilities interconnect with 9 interstate and 19 intrastate pipelines in
Texas. LIG operates 2,000 miles of pipeline with a capacity of
approximately 0.80 Bcf/d. LIG's liquids processing facility at
Plaquemine, Louisiana, is well situated to serve the Mississippi River
corridor. LIG pipeline and storage facilities have interconnections
with 15 interstate and 25 intrastate pipelines in Louisiana. The
storage capacity of AEP's facilities in Texas and Louisiana now totals
128 Bcf.
On-line Tools Update
All three of Natural Gas STAR'S new on-line tools are now ready and available on the Gas STAR Web site at
www.epa.gov/gasstar.
• The Economic Analysis Tool allows users to enter company-specific and project-specific data and receive estimates of the
projected benefit of implementing some of the most popular BMPs and PROs.
• The Data Collection and Management Tool allows implementation managers to delegate collection of emission reduction
activities to remote users (such as plant managers); to run a variety of facility, activity, and date-delimited reports; and to
export their companies' historic Gas STAR data to other software packages.
• The On-line Reporting Tool has already become a popular alternative to filling in forms by hand—about half of the
reporting partners used it in 2002, its first year of availability.
Through the Service Representative Program, Gas STAR is performing onsite demonstrations of these new tools.
Demonstrations have already been conducted for three partners (Duke, Williams, and Conoco). Traci Laudry-Huey, Senior
Environmental Engineer at Conoco Inc., says, "Conoco greatly benefited by the onsite implementation assistance EPA
provided. This meeting gave us the opportunity to review our specific goals with EPA and learn how their electronic tools
could be utilized in meeting those goals."
For information about onsite demonstrations of the new on-line tools, contact Kevin Tingley at 202/564-0374, or
tingley.kevin@epa.gov, or your Service Representative.
Natural Gas STAR Partner Update • October 2002
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Natural Gas STAR in the News
From AEP Press Release
Houston Pipe Line and Louisiana Intrastate Gas Become Partners in EPA's
Natural Gas STAR Program
HOUSTON. Texas, and PINEVILLE. La.. Sept. 3: 2002
- American Electric Power (NYSE: AEP) subsidiaries
Houston Pipe Line Co. and Louisiana Intrastate Gas Co.
have become partners in the U.S. Environmental
Protection Agency's Natural Gas STAR Program.
The voluntary program between EPA and the natural
gas industry works to reduce methane emissions by
encouraging the use of cost-effective technologies and
practices. Methane, a primary component of natural gas,
is considered to be a greenhouse gas. In partnering with
die agency. HPL and LIG are committed to minimizing
methane emissions and protecting the environment.
Natural Gas STAR partners agree to evaluate the
program's recommended Best Management Practices for
reducing mediane emissions and implement them when
cost effective for die company. The program also
-r-
encourages partners to identify, implement and report on
odier technologies and practices to reduce methane
emissions, referred to as Partner Reported Opportunities.
"Our participation in die Natural Gas STAR Program is
pail of AEP's commitment to protecting and enhancing
the quality of the environment as we conduct our
business." said Steve Schneider, AEP vice president,
natural gas operations. "We look forward to being a part
of the program, which demonstrates what can be
achieved when government and industry work together
to find solutions to environmental challenges. By
participating, we will enhance our ability to eliminate
or prevent methane emissions while improving our
efficiency," Schneider said.
--'
I
President Announces New Policy for Addressing Global Climate Change
In February 2002, President Bush announced a new approach to the challenge of global climate change. The goal of the
approach is to reduce the greenhouse gas intensity of the U.S. economy by 18 percent in the next 10 years. (Greenhouse gas
intensity is the ratio of greenhouse gas emissions to economic output.) This approach is based on the tenet that sustained
economic growth is needed to finance investment in new, clean energy technologies.
Domestic initiatives associated with this approach include tax incentives for renewable energy, promotion of fuel efficient
vehicles, and increased spending on carbon sequestration projects. The President also challenged American businesses to
voluntarily reduce their emissions, as Gas STAR partners have been doing for years.
New and expanded international policies associated with this approach include increased funding for "debt for nature"
programs, investment in climate observation systems in developing countries, expanding technology transfer in the developing
world, and building on international cooperative agreements.
The President's policy also includes a pledge to increase support for America's commitment to climate science and technology
initiatives. Of special note to Gas STAR Partners is the policy's recognition that methane- focused efforts are an important
element in greenhouse gas mitigation, because methane is such a potent greenhouse gas relative to carbon dioxide and many
profitable reductions exist.
The President's Global Climate Change Policy Book is available on-line at www.whitehouse.gov/news/releases/2002/02/
climatechange.html
Natural Gas STAR Partner Update • October 2002
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IM
LU
ISI E RSH I RS
Climate Leaders
Climate Leaders, a new voluntary EPA industry-
government partnership, encourages companies
to develop long-term
_ ^lL___ •**- comprehensive climate
EADERS.^H^
change strategies. Many
corporations have already made great progress in
reducing their greenhouse gas (CMC) emissions
through participation in EPA's voluntary programs
such as Natural Gas STAR. Gas STAR partners BP
and Cinergy Corporation have joined the Climate
Leaders partnership.
For corporations already working with multiple
EPA voluntary programs, Climate Leaders
can serve as a coordinating umbrella to
comprehensively manage their voluntary climate
change activities.
Through Climate Leaders, these companies and
others take their climate commitment one step
further. Partners in Climate Leaders set an
aggressive corporate-wide GHG reduction goal
to be achieved over the next 5 to 10 years and
develop a GHG emissions inventory using the
Climate Leaders' GHG Emissions Inventory
Protocol. This Protocol is based on an existing
corporate protocol for inventorying GHGs,
developed by the World Resources Institute and
the World Business Council for Sustainable
Development.
Each company's inventory includes emissions of
the six major GHGs [carbon dioxide (CO2),
methane (CHJ, nitrous oxide (N2O), hydro-
fluorocarbons (MFCs), perfluorocarbons (PFCs),
and sulfur hexafluoride (SF6)] from (1) onsite
energy use, (2) industrial processes, (3) onsite
waste disposal, (4) onsite air conditioning/
refrigeration, (5) purchased electricity, and
(6) mobile sources. Climate Leaders also offers
partners flexibility in meeting their reduction
goal. They may include emissions and
reductions from other activities that are not
part of their core emissions—for example,
investments in offset projects.
Partners commit to annually reporting inventory
data and documenting progress toward the
reduction goal, as well as publicizing their
participation, reduction pledge, and
accomplishments achieved through the program.
Gas STAR partners participating in Climate
Leaders should continue to submit annual
reports summarizing their emission reductions
to the Gas STAR program.
EPA provides the partners in Climate Leaders
with opportunities for high-level public
recognition, such as press events, media
briefings, articles in business and trade
publications, and speaking engagements at
industry conferences; technical assistance to set
the reduction goal and conduct the GHG
inventory; a credible, transparent GHG reporting
mechanism that will develop with the science;
and guidance for partners interested in third-
party verification.
For more information, please contact
Cynthia Cummis at 202/564-3480 or at
cummis.cynthia@epa.gov.
Natural Gas STAR Partner Update • October 2002
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New Technology Recovers Methane
Teaming with COMM Engineering USA, Gas STAR Partner
TotalFinaElf E&P USA is not only helping improve the
environment, but also turning what was once vented gas
into a marketable product.
In May 2002, at its El Ebanito facility near McAllen, Texas,
Total FinaElf installed and brought on line COMM's
Environmental Vapor Recovery Unit (EVRU). Since then,
150,000 to 250,000 standard cubic feet (scf) of natural gas
per day with a BTU value of 1,836 BTU/scf has been put
back into the sales pipeline, according to COMM
Engineering. At that rate, the amount of gas recovered by
the EVRU is valued at $301,563 to $502,605 per year at
$3/MMBTU. The greenhouse gas emission reductions are
estimated at nearly 20,239 tonnes per year of CO:
equivalent.
The EVRU compresses vapors and sends gas into the suction
of onsite compressors for eventual injection into the sales
pipeline. This technology uses a Venturi jet ejector to collect
low-pressure vent gases, boost gas to a low-to-medium
pressure, and inject the gas back into the process system to
be used or sold. The EVRU replaces traditional processes
such as flaring, venting, and mechanical vapor recovery
compressors. It allows users to collect low-pressure gas from
a wide range of sources such as storage tanks, low-pressure
cold vents and flares, glycol dehydration units, and heater
treaters.
The EPA Environmental Technology Verification Program's
Greenhouse Gas Technology Center, in partnership with the
Natural Gas STAR Program, has been conducting a series of
tests to quantify gas recovery rate performance, total
installed cost, and annual gas savings at the request of
COMM Engineering. Results will be released in the fall of
2002. For a copy of the Test and Quality Assurance Plan for
the EVRU, go to www.sri-rtp.com/Verification%20lnfo/
comm_tp.pdf.
To learn more about vapor recovery units, see the Lessons
Learned study on EPA's Natural Gas STAR Web site
(www.epa.gov/gasstar/install.htm). For more information on
the EVRU, contact Brian Boyer of COMM Engineering at
337/237-4373 ext 120, or Kevin Tingley of EPA at
202/564-0374.
The COMM EVRU
Pressure
Indicator
(typ-)
Temp
Indicator
(typ.)
High-Pressure
Motive Gas i
(-850 psi)
Flow Flow
Safety Control
Valve Valve
(typ.) (typ.)
Discharge
Gas
(-20 psi)
Low-Pressure
Vent Gas
(-0.1 to 0.3 psi)
Natural Gas STAR Partner Update • October 2002
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Potential for DI&M Programs to Reduce Leakage from Gas
Production & Processing
Kansas State University
The Kansas Slate
University National
Gas Machinery
. . . „ . . ,
Laboratory (NCMLj
and the Natural Gas STAR Program will
collaborate on a study to demonstrate a cost-
effective approach for reducing leakage from
natural gas production and processing facilities.
This study builds upon results from a recently
completed project co-sponsored by EPA and
the Gas Technology Institute (GTI) that
investigated the effectiveness of Directed
Inspection and Maintenance (DI&M) programs
for reduction of methane leaks at natural gas
processing plants. The primary objective of the
study is to demonstrate that the gas industry can
increase earnings and decrease emissions by
implementing innovative approaches to DI&M,
which have proven effective at natural gas
transmission facilities and at gas processing
plants. This study will (1) include additional
gas processing facilities to improve the basis
for system-wide projections of applicability,
(2) document the effectiveness of repairs and
leak rate growth through resurvey of facilities
evaluated as part of the GTI project, and
(3) complete the characterization of DI&M
application to natural gas operations by
initiating an investigation of DI&M effectiveness
from the gas processing plant upstream to the
wellhead.
The EPA/Kansas State University project team is
soliciting five additional natural gas processing
facilities of various types, ages, and throughput
to supplement the data collected during the GTI
demonstration study. Upstream gas-gathering
systems, including compression and wellhead
sources, will be surveyed to determine the
potential for cost-effective DI&M for this source
group. This study will also target process
efficiency losses and wastage from flare systems.
Field-testing is anticipated to occur during the
third and fourth quarters of 2002.
Benefits
The potential benefits of this research to the gas
industry and the environment are substantial. An
estimated 730 natural gas processing plants in
the United States lose more than 25 billion cubic
feet each year, representing over $75 million
worth of product (at $3/mcf). The value of
natural gas losses at the five sites surveyed as part
of the GTI study was estimated at $2,249,500
per year or $562,375 per year per plant (at
$4.50/mcf, the fourth-quarter 2000 long-term
contract price). The resulting savings substantially
offset the cost of performing the initial survey.
For more information about this study,
please contact Kirby Chapman at Kansas State
University at 785/532-2319 or chapman@ksu.edu,
or Kevin Tingley at EPA's Natural Gas STAR
Program at 202/564-0374 or tingley.kevin@epa.gov.
Staff Changes in the Natural Gas STAR Program
• Kevin Tingley recently joined the STAR team. Kevin will continue
to make the STAR Program an effective partnership between EPA
and the natural gas industry.
• Carrie Henderson, Natural Gas STAR Program Manager, is on
maternity leave.
• Roger Fernandez, formerly with EPA's Coalbed Methane Outreach
Program, is joining the Gas STAR Program in October 2002.
Natural Gas STAR Partner Update • October 2002
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9th Am
Annual Natural Gas STAR Implementation Workshop
October 28-30, 2002
The Inter-Continental Houston
Houston, Texas
EPA POLLUTION PREVENTER
REGISTRATION
Register online at or complete and mail or fax this form.
Name
Nickname/First name for badge
Title
Company
Company Address
City
State
Zip
Work Phone
Work Fax
E-mail
Check the corresponding natural gas industry sector you represent:
LJ Production Q Transmission
Q Gathering and Processing Q Distribution
Q Other (_ )
Indicate your participation in the following Natural Gas STAR work-
shop functions:
LJYes Ol\lo Evening reception on Monday, October 28?
Q Yes Q No Awards luncheon on Tuesday, October 29?
Q Yes Q No Poolside BBQ on Tuesday, October 29?
Special dietary needs
Please mail or fax your completed regis-
tration form to:
Attn: Natural Gas STAR Workshop
Eastern Research Group, Inc.
110 Hartwell Avenue
Lexington, MA 02421-3136
FAX: 781 674-2906
Check one:
u Workshop Fees: $125/person
(includes all workshop functions,
awards luncheon, and poolside BBQ)
u Awards Luncheon only: $35/person (no
admittance to technical sessions or
BBQ)
If no box is checked, ERG will assume
workshop registration.
Make checks payable to:
Eastern Research Group (ERG)
Overnight Accommodations
A block of rooms is being held at the Inter-
Continental Houston for workshop participants.
The group room rate is $149 for single occu-
pancy and $159 for double occupancy, plus
17% tax. To make a reservation, please contact
the hotel directly at 866 342-0831 (toll free) or
713 627-7600 and reference the "Natural Gas
STAR" room block. To receive the discounted
rate, you must make your reservation no later
than Monday, September 30, 2002. After this
date, reservations will be accepted on a space-
and-rate-available basis only.
To pay with credit card, please complete the following information and sign the bottom:
Check one: Q Visa Q MasterCard Q American Express
Name as it appears on credit card:
Account Number: - - - Exp. Date _ _/_ _ Amount Charged $_
Authorized Signature
**Your billing statement will show a charge from "ERG Conf. Reg Fee".
Questions about the Natural Gas STAR Workshop?
Visit or call 888 249-8883.
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DOCUMEN
REQUEST
Name & Title: _
Organization:
E-Mail Address:_
Telephone #:
Date Requested:
FAX#:
Date Info Needed:
FedEx/UPS # (if info needed asap):
EPA POLLUTION PREVENTER
Please fax to your STAR
Service Representative at
703/841-1440 or directly to
the Natural Gas STAR
Program at 202/565-2134,
or e-mail to
tingley.kevin@epa.gov
PLEASE INDICT AT E W MICH
7VI ATE RIALS YOU WOULD
LIKE TO RECEIVE:
LESSONS LEARNED
1. Directed Inspection and Maintenance at Compressor Stations
2. Directed Inspection and Maintenance at Gate Stations and Surface Facilities
3. Options for Reducing Methane Emissions from Pneumatic Devices in the Natural Gas Industry
4. Installation of Flash Tank Separators
5. Reducing Methane Emissions from Compressor Rod Packing Systems
6. Reducing Emissions When Taking Compressors Off-line
7. Installing Vapor Recovery Units on Crude Oil Storage Tanks
8. Replacing Wet Seals with Dry Seals in Centrifugal Compressors
9. Reducing the Glycol Circulation Rates in Dehydrators
10. Replacing Gas-Assisted Glycol Pumps with Electric Pumps
11. Installing Plunger Lift Systems in Gas Wells
12. Using Pipeline Pump-Down Techniques To Lower Gas Line Pressure Before Maintenance
13. Convert Gas Pneumatic Controls to Instrument Air
14. Using Hot Taps for In Service Pipeline Connections
15. Using Desiccant Dehydration Instead of Glycol Dehydration (late 2002)
16. Using Composite Sleeve Repair Techniques (late 2002)
1 7. Directed Inspection and Maintenance at Gas Plants and Booster Stations (late 2002)
STAR IMPLEMENTATION TOOLS
Video - Production
Video - Transmission/Distribution
Case Study - El Paso Natural Gas
Case Study - Brooklyn Union/Keyspan Energy
Case Study - Texaco Exploration and
Production, Inc.
Case Study - Columbia Gas and Columbia
Gulf Transmission
Case Study - Kerr-McGee Corporation
Case Study - Unocal Gulf Region USA
OUTREACH MATERIALS
Natural Gas STAR Program Brochure
Natural Gas STAR Marketing Package
Natural Gas STAR Communications
Toolkit
STAR Partner Update, Summer 1998
STAR Partner Update, Spring 1999
STAR Partner Update, Winter 1999
STAR Partner Update, Fall 2000
STAR Partner Update, Winter 2001
STAR Partner Update, Winter 2002
STAR Partner Update, Fall 2002
Most of these materials are available on the Internet at www.epa.gov/gasstar
Natural Gas STAR Partner Update • October 2002
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