2017: Issue #1 
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In this Issue:

General Updates / Administrative
Annual Membership Meeting – June 14, 2017

Renewals Due by February 1, 2017
Ratings, Codes, and Programs
Codes and Standards Update
CRRC Program
Random Testing and Verification Testing Program Updates
ES-CRRC Program
ENERGY STAR® Version 3.0
Industry Insights
LBNL Ruby Red Fluorescent Roofs
Board of Directors Meeting Recap
September 15, 2016 Conference Call Summary

November 17, 2016 Board Meeting Updates

December 16, 2016 Conference Call Summary
Technical Committee Meeting Recap
Technical Committee Roster Changes

August 18, 2016 Technical Committee Meeting

October 19, 2016 Technical Committee Meeting

Working Group Updates
Chair’s Corner
Board Member Highlight

New Staff Welcome

Cool Roofs in the News
Upcoming CRRC Meetings
Upcoming Trainings
New Members Welcome

Chair's Corner

These are busy times for the CRRC as the organization works to improve service to our customers while reducing staff time commitments and costs. In that spirit we are moving forward with improvements to the CRRC database and the product rating process.

A Request for Proposals (RFP) was developed and issued for a contractor to develop and host an online tool to modernize our product rating process. The tool will house product data, enable staff administration, and allow customers to create and submit product rating applications and track the process.

Twenty-nine responses were received for this RFP. A task group comprised of both Directors and Staff selected the top three candidates. The top three candidates provided presentations at the November Board of Directors (Board) meeting. The Board selected the top candidate and final contract negotiations have begun with this provider.

I also want to let you know that due to work commitments at SPRI, I am stepping down as Board Chair of the CRRC. I want to thank all of the members of the CRRC Board that have worked so well together to further the mission of the CRRC. I also want to thank all of the CRRC Staff for their help and support. In particular, I want to thank Jeffrey Steuben, Sarah Schneider, and Jim Wilson who have all provided tremendous support and have made this a truly enjoyable experience. Rick Olson (Tile Roofing Institute) will be the new Board Chair staring January 1, 2017.

Mike Ennis
Chair, CRRC Board of Directors

Board Member Highlight

CRRC Members,
I am currently the Technical Director of Q-Lab Test Services located in Homestead, FL.
Q-Lab is one of the CRRC Approved Test Farms. In addition to roofing and photovoltaics, Q-Lab tests pretty much anything exposed to weather. I have always had an interest in science and so decided to begin my career in science with a bachelor’s degree in Physics from the State University of New York at Geneseo.
Over the years I have been a member of a dozen or so ASTM committees including D08 on Roofing. I am also a member of the American Architectural Manufacturers Association (AAMA), and the Vinyl Siding Institute (VSI). As a result, I have the somewhat unique opportunity to cross-pollinate between committees and spread the best practices I observe in each committee.
In 2010, I joined the CRRC Technical Committee as an alternate voting member. At the Technical Committee level, we discuss the details of test methods and instrumentation. I am able to use my background in standards development and practical lab experience to help develop the cool roofing standards.
More recently, I had the good fortune to be elected to the CRRC Board of Directors. This service has been a very rewarding experience. As with the Technical Committee, the CRRC Board of Directors is a well-balanced group of professionals from the roofing industry. Existing Directors made the transition very easy for me. It is a great group to work with. Serving as a member of the Board of Directors, I have the opportunity to more directly contribute to the direction of the CRRC in policy, operation, and financial matters.
Outside of work, I enjoy SCUBA diving (one of the perks of living in Florida) and flying my RC plane “Big Red.”
Best Regards,
Matt Friday

New Staff Welcome

Andrea Vas officially joined the CRRC team in September 2016 as an Information Systems Manager. Andrea had previously participated in efforts to specify requirements for the new CRRC application processing portal and RFP process. She continues to fulfill her role as a technical software consultant to manage the development of the new CRRC application portal.
Prior to joining the CRRC, Andrea garnered experience as a manger on several software applications for the building efficiency sector. She has managed over six software projects ranging from a campus energy management system to a city-wide energy efficiency compliance platform.
Andrea holds a Bachelor of Science in Applied Mathematics on Engineering Mechanics from the University of California at Merced, and a Master of Science from the Energy and Resources Group at the University of California, Berkeley.

Emily Kehmeier joined the CRRC team in June 2016 as Outreach Coordinator. Prior to joining the CRRC, Emily worked as an operations associate for Energy Solutions to help streamline and implement company procedures. At Energy Solutions, she also worked on PG&E’s Automated Demand Response Program which incentivizes companies to reduce their energy usage during peak electricity demand hours. Emily’s prior experience includes internships with the Environmental Defense Fund and the US Department of Agriculture.
Emily holds a Bachelor of Science in Environmental Science and Management from the University of California, Davis.

Cool Roofs in the News

City of San Mateo adopts local ordinance with Cool Roof requirements

On May 16, 2016 the City of San Mateo, California approved an energy reach code that requires the installation of solar systems and cool roofs on all new construction projects (effective January 1, 2017). The minimum aged solar reflectance requirements are more stringent than the reflectance requirements in California’s Building Energy Efficiency Standards (commonly known as Title 24, Part 6).

The cost-effectiveness study developed to support the adoption of the reach code, found that increased cool roof requirements were one of the most cost-effective measures when comparing the present value of energy savings to the cost of implementation.

The adopted reach code aligns with the City of San Mateo’s Climate Action Plan, which directs the city to develop policies that reduce its greenhouse gas emissions and implement energy efficiency measures.
Read the full press release here, and check out the cost-effectiveness study for more details.

Upcoming Meetings

Board of Directors Meeting
Feb. 9, 2017
Conference Call
10:00 a.m. – 12:00 p.m. PT
Technical Committee Meeting
March 9, 2017
Conference Call
10:00 a.m. – 12:00 p.m. PT
Board of Directors Meeting
April 20, 2017
Dallas, TX
9:00 a.m. – 5 p.m.
Technical Committee Meeting
May 19, 2017
Nashville, TN
9:00 a.m. – 5 p.m.
Annual Membership Meeting
June 14, 2017
Las Vegas, NV
9:00 a.m. – 5 p.m.
Board of Directors Meeting
June 15, 2017
Las Vegas, NV
9:00 a.m. – 5 p.m.

The CRRC will be celebrating 20 years in 2018! Stay tuned for details about the special anniversary event!
View the full meeting schedule online: 

Upcoming Trainings

CRRC Rapid Ratings Laboratory Training Workshop
Feb. 3, 2017
Berkeley, CA

New Member Welcome

A warm welcome to the CRRC’s newest members listed below. One benefit of CRRC membership is that your organization’s listing appears on the CRRC website Members page.

This issue we welcome the following CRRC Members:

General Updates / Administrative

Membership Meeting - June 14, 2017

Mark your calendars! The 2017 Annual Membership Meeting will be held Wednesday, June 14th at Alexis Park Resort in Las Vegas.



The Annual Membership Meeting is a great opportunity to socialize with fellow CRRC members, Board Directors, and staff. The meeting will include technical, administrative, and program updates, as well as a series of compelling guest speakers.
Annual Renewal Payments Due by February 1, 2017

This year the CRRC has streamlined its renewals process. On December 1, all Licensees and Members should have received an invoice sent directly by email. Licensees will not be required to go online to get their invoice. Please verify that your company contact’s email address is up to date. If you have not received an email, please contact Melissa Rissman or (510-482-4420 x236).
This is the best time to also let us know if products need to be terminated or company contacts updated.

Payment is due by February 1, 2017. You may submit payment by check mailed to the address below, or pay with a credit card through PayPal
CRRC 2017 Renewals 
Cool Roof Rating Council
449 15th St., Suite 400 
Oakland, CA 94612 

To encourage timely payments and to maintain an equitable process for Licensees who pay on time, the CRRC will continue to enforce a nominal late fee charge.

If late payment is not received by April 1, 2017 the CRRC will terminate Membership and/or Licensee status and all products, as applicable. In order to reinstate applicable CRRC status after termination, companies must pay the full renewal invoice amount in addition to a 3% reactivation fee.

If you have any questions or need to make changes to your invoice, please contact Melissa Rissman or (510-482-4420 x236).

Ratings, Codes, and Programs

Codes & Standards Update

The CRRC has submitted proposals to the following code bodies to update the reference to the CRRC’s American National Standard, ANSI/CRRC S100 (formerly CRRC-1 Standard) for the following codes:
  • ASHRAE 90.1Energy Standard for Buildings Except Low-Rise Residential Buildings (I-P Edition). Proposal to update references to the CRRC ANSI standard. Changes proposed for the 2019 edition of 90.1.
  • ASHRAE 90.2Energy-Efficient Design of Low-Rise Residential Buildings. Proposal to update references to the CRRC ANSI standard and to replace existing references to ASTM C1549 and C1371 with ANSI/CRRC S100 since those ASTM standards are referenced in ANSI/CRRC S100.
  • ASHRAE 189.1Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings. Proposal to update references to the CRRC ANSI standard. Changes proposed for the 2018 edition of 189.1.
  • International Energy Conservation Code (IECC) – Proposal to update references to the CRRC ANSI standard. Changes proposed for the 2018 edition of IECC.
  • RESNET 301Standard for the Calculation and Labeling of the Energy Performance of Low-Rise Residential Buildings using the HERS Index. Proposal to update references to the CRRC ANSI standard and to replace existing references to ASTM C1549 and C1371 with ANSI/CRRC S100 since those ASTM standards are referenced in ANSI/CRRC S100.
The CRRC has also submitted proposals to the ASTM C16 subcommittee to adopt a new ASTM test method for measuring the solar reflectance of Directionally Reflective Materials and to update ASTM C1549 to remove the sole source footnote as part of the effort to make the standard device-neutral. The objective is to eventually expand the scope of the standard to enable various reflectometer instruments to be used in accordance with C1549 (the standard is currently written for Devices & Services’ Solar Spectrum Reflectometer, version 5). The proposed changes were vetted by the CRRC Technical Committee and Board of Directors.
For questions regarding CRRC’s codes and standards proposals please contact Sarah Schneider or (510-482-4420 x202).

CRRC Program

Random Testing and Verification Testing Update

Random Testing is the method by which the CRRC ensures the credibility and accuracy of its Product Rating Program. Each year, the CRRC randomly selects and tests a percentage of products on the CRRC Rated Products Directory to verify that the solar reflectance and thermal emittance values are comparable to the values listed on the CRRC Rated Products Directory. If the randomly tested results are within +/-0.05 of the initial test values, then the product passes and remains on the CRRC Rated Products Directory. If the product does not pass the first test, then the product is given two more tests to pass, otherwise it is removed from the CRRC Rated Products Directory. CRRC annual renewal fees cover the costs of Random Testing for CRRC-rated products for the first and second test but not the third test. The CRRC will check with the Licensee before proceeding with the third test, at which point the Licensee can choose to either pay for the third test, terminate the product, or re-rate the product.

Similar to Random Testing, Verification Testing is conducted on products that are certified as ENERGY STAR® roofing products through the CRRC’s Evaluation Services-CRRC (ES-CRRC®) program. The Verification Testing guidelines are determined by the U.S. Environmental Protection Agency and are similar to the CRRC’s Random Testing policy and procedures (Appendix 5 of the CRRC-1 Program Manual). The passing criteria for Verification Testing is any solar reflectance value above 0.65 for low slope or low slope/steep slope products, and anything above 0.25 for steep slope products. ENERGY STAR Partners whose products are selected only for Verification Testing are invoiced for all fees related to product procurement, processing, and testing. ENERGY STAR Partners whose individual products are selected for both Random Testing and Verification Testing in the same year are not invoiced for Verification Testing.

Thank you to all Licensees and ENERGY STAR Partners for your participation and cooperation in the 2016 Random Testing and Verification Testing programs. The first round of testing is 100% completed, with only a handful of Random Testing products that still need to go through second or third tests in 2017. An update will be given at the Annual Membership Meeting on June 14, 2017.

Please check your mailbox to see if you have any products that were selected for 2017 testing. Notifications of product selection went out in early January, and procurement information is due two weeks later.  

If you have questions about the Random Testing and/or Verification Testing programs, please contact Hewson Shepherd or (510-482-4420 x272).

ES-CRRC Program

ENERGY STAR®  Specification Version 3.0

All ENERGY STAR certified roofing products need to be recertified to Version 3.0 before July 1, 2017 to remain on the ENERGY STAR Certified Products List. If your products have already been aged in accordance with ANSI/CRRC S100 – 2012 (formerly CRRC-1 Standard), there is no need to retest. But the products do need to be recertified.

The ES-CRRC Program is currently certifying products to Version 3.0 to ensure that products complete recertification by July 1, 2017.

Until your ENERGY STAR certified products are recertified to Version 3.0, they will remain certified under Version 2.2 or 2.3. After July 1, 2017, all certified products that have not been recertified to Version 3.0 will be removed from the ENERGY STAR Certified Products List.
To recertify your products to Version 3.0, please:


  • Complete a Data Submission Form, and email it to
  • Submit a recertification fee of $100 per product. If ES-CRRC renewal fees have been paid for the current year, renewal fees for the first subsequent year will be waived for recertified products.

Detailed information can be found on the ES-CRRC Program ENERGY STAR webpage. For questions, please contact Melissa Rissman or (510-482-4420 x236).

Industry Insights

Haley Gilbert


We’re Not in Kansas Anymore: Fluorescent Ruby Red Roofs Stay as Cool as White

Julie Chao, Science Writer
Lawrence Berkeley National Laboratory
Adapted by the CRRC

Elementary school science teaches us that in the sun, dark colors get hot while white stays cool. Now new research from the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) has found an exception: that certain dark pigments can stay just as cool as white by using fluorescence, the re-emission of absorbed light.
The results of the research, led by Berkeley Lab Scientist Paul Berdahl, were published recently in the journal Solar Energy Materials & Solar Cells, in an article titled “Fluorescent cooling of objects exposed to sunlight—The ruby example.”
Substantial research over the years from Berkeley Lab’s Heat Island Group has found that reflective roofs and walls can cool buildings and cars. This reduces the need for air conditioning and mitigates the urban heat island effect. By reflecting the sun’s rays back to space, these cool materials also release less heat into the atmosphere, thus cooling the planet and offsetting the warming effects of substantial amounts of greenhouse gas emissions. However, wider adoption of cool roofs has been hindered by aesthetic considerations. “We’ve heard many times (from roofing materials manufacturers), ‘We can’t sell white or pastel roofs; our customers want dark green, dark brown, and so on,’” Berdahl said.

Over the past 15 years, Heat Island Group researchers have used special pigments that strongly reflect invisible “near-infrared” light to make dark surfaces that stay cooler in the sun than conventional dark surfaces, though still not as cool as white surfaces. This new work shows that fluorescent cooling can boost the performance of these pigments by re-emitting at longer wavelengths some of the visible light that the surface must absorb to appear dark.

Using fluorescence, or photoluminescence, for cool materials is a new concept, and Berdahl, who is a physicist by training, has a patent pending on the technology. “People understand that materials that fluoresce are emitting energy,” he said. “What’s new here is the use of the fluorescence process to keep buildings cooler.”

When light hits a fluorescent material, the material actively emits energy in response, rather than passively reflecting the energy. Berdahl’s idea was to find a material that would absorb visible light and fluoresce (re-emit) mostly or entirely in the invisible near-infrared portion of the sun’s spectrum. “There have been thousands of fluorescent compounds identified,” he said. “Ruby’s properties are well known and well studied, and I realized it’s a material that could work.”

His first experiment was to use an array of synthetic ruby crystals, which he purchased online and said were surprisingly inexpensive. Attached to a bright white coating and exposed to bright sunlight, the dark-red ruby-covered coating stayed cooler than an off-white surface.
 (Credit: Marilyn Chung/Berkeley Lab) © 2010 The Regents of the University of California, through the Lawrence Berkeley National Laboratory.

Berdahl and Berkeley Lab research associate Sharon Chen then synthesized ruby powder, or aluminum oxide, doped with varying amounts of chromium to create different shades of red pigment. They prepared ruby paint from the powders, and applied these paints over bright white substrates. When exposed to sunlight, the ruby paint samples stayed as cool as white materials.

“The ruby powder does need more work to make it as deep red as the ruby crystal,” Berdahl said.
If the product were to be commercialized, Berdahl said that the cost is not expected to be substantial and its durability is expected to be similar to other coatings. “Rubies have a reputation for being expensive, but they’re mostly aluminum oxide, which sells for about 70 cents per kilogram (or about 30 cents per pound),” he said.

PPG Industries, a Pittsburgh, Pennsylvania-based coating manufacturer also involved in the research, is conducting weathering tests with prototype fluorescent coatings.

In follow-up work Berdahl has identified blue materials that also fluoresce and showed that they can be combined with other colors to yield green and even black materials that stay cool.

Read the original article here. For questions, please contact Julie Chao.

Board of Directors
Meeting Recap

September 15, 2016 Board of Directors Conference Call Summary

Approved the 2016-2017 Technical Committee roster.

Appointed Stuart Ruis of R&D Services to fill a Class B Board of Directors (Board) seat to complete the term of Mark Zehnal who resigned from the Board in August, 2016.

Approved the 2017 CRRC meeting schedule.

Discussed and provided feedback on the draft 2017 CRRC budget.

Approved Technical Committee recommendations including:
  • requiring retesting of delaminated coating products;
  • expanding ASTM C1549 to include the Surface Optics 410-Solar device; and
  • implementing a dual rating for coatings that includes both smooth and rough substrates.
Approved removing existing ratings for aggregate products from the CRRC Rated Products Directory once a test method alternative to ASTM E1918 for measuring the reflectivity of roofing aggregate is adopted by CRRC, but not later than December 31, 2017.

Updated the CRRC-1 Program Manual to clarify policy around specimens damaged during three-year exposure and clarifying edits around retesting of inactive products.

November 17, 2016 Board Meeting Summary

Approved the migration of CRRC accounting software to QuickBooks Online.

Requested that staff seek cybersecurity insurance coverage, perform a thorough review of relevant cybersecurity laws and develop a Written Information Security Policy.

Approved the 2017 program budget and contract with Energy Solutions to provide management services for CRRC through the end of 2017.

Updated Product Rating Application and Test Results Report forms for clarity and accuracy.

Observed presentations from three finalist software development firms and selected one to move forward with contract negotiations for the development of CRRC’s online application portal.

Reviewed a case of Random Testing values not matching initial tested values potentially due to limitations with past test methods. The Random Testing Working Group will bring a proposal to the Board of Directors at a future meeting.

Approved two internationally-based CRRC Member applicants and discussed CRRC’s international presence and strategy.

Reviewed potential speakers and topics for CRRC membership meetings, and provided guidance to staff.

Re-appointed Andre Desjarlais and Scott Kriner to the Technical Committee, and appointed Cindy Campbell and Stacey Weister as primary and alternate members of the Technical Committee, respectively.

Approved the elimination of event fees for Technical Committee meetings.

Discussed initial plans for the CRRC’s 20th anniversary celebration in 2018.

December 16, 2016 Board of Directors Conference Call Summary

Approved a new slate of Officers to the Board of Directors to take effect January 1, 2017. New officers were approved due to Mike Ennis stepping down as Board Chairman. The elected officers are:
  • Chair - Rick Olson (Tile Roofing Institute)
  • Vice-Chair - George Daisey (Dow)
  • Treasurer - Darrel Higgs (Asphalt Roofing Manufacturers’ Association)
  • Secretary - Lynne Christensen (Cedar Shake and Shingle Bureau)
  • Past Chairman - Mike Ennis (Single Ply Roofing Industry)
The next Board of Directors meeting will be a conference call on February 9, 2017. If you are interested in attending this meeting, please contact Jeff Steuben or (510-482-4420 x288).

Technical Committee Meeting Recap

Technical Committee Roster Changes

Cindy Campbell of RCMA Americas (formerly Momentum Technologies) has been appointed by the Board to fill the voting member position vacated by Dave Roodvoets (DLR Consulting). The CRRC would like to thank Mr. Roodvoets for his many years of service on the Technical Committee. 

Stacey Weister of RCMA Americas has been appointed by the Board to fill the alternate voting member position previously held by Cindy Campbell. The Board approved Andre Desjarlais (Oak Ridge National Laboratory) and Scott Kriner (Metal Construction Association) as voting members for another two-year term.

Technical Committee Meeting Updates

At the August 18, 2016 conference call, the Technical Committee (Committee):

Approved the CRRC Methods and Instruments Subcommittee’s recommendation to submit a proposal to ASTM to update ASTM C1549 to include a new reflectometer device (Surface Optics’ 410-Solar) and version 6 of Devices and Services’ Solar Spectrum Reflectometer (ASTM C1549 currently includes only version 5).

Made a recommendation to the Board of Directors (Board) to adopt a dual rating system for coatings applied to smooth and rough surfaces based on the Rough Substrates for Coatings working group’s analysis of the round robin study. See Methods & Instruments Subcommittee Update for more information on the development of the implementation specification for the coatings on rough substrates procedure.

Made a recommendation to the Board to approve changes to the CRRC-1 Program Manual regarding test specimens that are uncharacteristically damaged during three-year weathering. The changes included establishing a threshold of +/- 0.05 between initial values and re-tested initial values for determining which set of values to use for the initial product rating, as well as clarifying the policy on proper substrate selection for field-applied coatings.

At the October 19, 2016 meeting in Kansas City, MO, the Committee:

Continued the discussion from the May 12, 2016 Committee conference call regarding the CRRC’s categorization of products on the CRRC Rated Products Directory (Directory), and evaluated proposed product definitions to help provide guidance for users of the Directory.

Discussed a proposal from the Board’s Random Testing working group to amend the Random Testing failure policy for Color Family Representative Elements. The Committee will continue the discussion at its March 9, 2017 conference call.

Continued the discussion from the May 12, 2016 conference call around the potential for requiring test labs to submit photographs of test specimens before and after three-year weathering as part of the product rating process. The Committee discussed the value of photos, implications, and situations where photos would assist CRRC with evaluation. No decision was made.

Continued the discussion from the May 12 and August 18, 2016 conference calls regarding potential CRRC technical research study topics. The discussion focused on the scope and preliminary costs of the three top-ranked research projects:  the impact of aging beyond three years; the comparison of data between ASTM E901, E1918, and C1549; and the comparison of test values for lab aged and three-year aged products. The Committee provided feedback on the study designs and costs for each of the proposed research studies. Further, the Committee suggested scheduling individual working groups for each of the research topics to facilitate scope and cost development to present to the Board.

The next Committee meeting will be a conference call on March 9, 2017. If you would like to participate in the conference call and/or be added to the Committee email distribution list, please contact Sarah Schneider or (510-482-4420 x202).

Working Group Updates

Random Testing Working Group
This Board-level working group is tasked with providing guidance on Random Testing and Verification Testing activities, policies, and procedures. The working group is currently focused on evaluating thermal emittance values, assessing aluminized coating products and tile product failure, and the Random Testing appeal process.
Rough Substrates for Field-Applied Coatings Working Group
The results from the rough substrates round robin were evaluated by the Technical Committee’s (Committee) Rough Substrates Working Group in August 2016. The working group confirmed the procedure as repeatable and reproducible, and presented a recommendation to the Methods and Instruments (M&I) Subcommittee to advance the dual rating for coatings study. The round robin results were then presented to the Committee in August, and a recommendation was made to the Board of Directors (Board) to adopt dual rating system for coatings. The Board approved the recommendation in September and directed the Committee to develop a specification to implement the method. The rough substrates working group and M&I Subcommittee are currently addressing additional questions regarding the aging process, and will present the specification to the Technical Committee for evaluation at a future meeting. 
Methods & Instruments Subcommittee
Aggregate Faux Shingle Study:  At its June 2016 meeting, the Board of Directors asked the Technical Committee to develop a proposal for studying the faux shingle test method for aggregate products. The study proposal is currently being developed by the M&I Subcommittee with input from aggregate manufacturers. The study proposal will be presented to the Technical Committee for evaluation at a future meeting.
Rough Substrates for Coatings Specification:  The M&I Subcommittee provided preliminary feedback on the draft specification in September regarding the applicability of the Slide Method for coatings applied to rough substrates. CRRC staff worked with Devices & Services to measure thermal emittance using an adaptor to the emissometer device. The preliminary findings were presented to the M&I Subcommittee in December. The M&I Subcommittee will continue to evaluate the thermal emittance results to determine the applicable test method.

Potential Technical Research Topic Working Groups:  CRRC staff are coordinating working groups to facilitate the development of scope and costs to present to the Board for each of the three top-ranked research projects:  the impact of aging beyond three years; the comparison of data between ASTM E901, E1918, and C1549; and the comparison of test values for lab aged and three-year aged products.

If you are interested in joining a Technical Committee working group, please contact Vanessa Morelan or (510-482-4420 x224). For the Random Testing working group, please contact Hewson Shepherd or (510-482-4420 x272).

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