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In any industry painting (and decorating) operations play a crucial role in facility management by enhancing the overall appearance, protecting surfaces, and maintaining a healthy and conducive environment. In the education industry we find these operations in both the business and academic units; often co-mingled with sign-making shops.
Today at 15:00 UTC we review best practice literature for large-scale painting operations — an exploration different than the one undertaken during our Fine Art and Signs, Signs, Signs colloquia — with attention to worker and chemical safety. Among these considerations:
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ASTM’s color and appearance committee (E12) has approved a new standard that will be useful in calculating the colors of objects. The new standard (E3415) expands on color calculations described in ASTM’s standard on CIE colorimetric systems (E308). https://t.co/7F97dcFkVe pic.twitter.com/zcAp6DT1tg
— ASTM International (@ASTMIntl) October 15, 2024
Relevant standards:
Chemistry
ASTM D-series titles
EN 1504-2: Products and systems that are graffiti-resistant
ISO 12944: Paints and varnishes
Application and Fire Safety
Institute of Electrical and Electronic Engineers: Self-Operating Paint Bot
National Fire Protection Association
Occupational Safety and Health Administration
logical pic.twitter.com/V0UoqMMXdB
— Enez Özen (@Enezator) August 24, 2024
ASTM’s color and appearance committee (E12) has approved a new standard that will be useful in calculating the colors of objects. The new standard (E3415) expands on color calculations described in ASTM’s standard on CIE colorimetric systems (E308). https://t.co/7F97dcFkVe pic.twitter.com/5GCfEgP4TI
— ASTM International (@ASTMIntl) September 30, 2024

Range of colors chart used in NIST measurements
The National Institute of Standards and Technology measures color through a combination of sophisticated instrumentation and established standards:
NIST’s methods are designed to provide highly accurate and reliable color measurements that can be used across a wide range of industries, including manufacturing, textiles, and digital imaging.
Standards Michigan: National Institute of Standards and Technology
The gems color wheel is useful to identify potential gems in specific colors for jewelers.
[✏️ suigemstone] pic.twitter.com/0sVHQgTWMr
— Massimo (@Rainmaker1973) September 11, 2024
The surprising invisibility effect of painting chicken wire blackpic.twitter.com/OlTFyahUyQ
— Massimo (@Rainmaker1973) October 17, 2024
They destroyed art,
they stole colors,
that’s why the world is depressed. pic.twitter.com/7ZYY4xBXwz— The Figen (@TheFigen_) August 22, 2025
New Standard Will Aid in Color Calculation of Objects
ASTM Committee E12 on Color and Appearance

According to ASTM member Hugh Fairman, legacy standard E308 gathered data and pre-calculated weight sets for doing what is called “tristimulus integration,” which determines the actual color of a measured spectral reflectance or spectral power curve. While this standard is still useful in certain cases, a need has grown for the more updated practice described in E3415 to respond to interest in how illumination is perceived on painted surfaces.
Standards Michigan: ASTM International
Related:
A RAL number is part of a standardized color matching system developed by the RAL Deutsches Institut für Gütesicherung und Kennzeichnung (German Institute for Quality Assurance and Certification) used primarily in Europe. It is widely used for defining colors for paint, coatings, and plastics.
This content is accessible to paid subscribers. To view it please enter your password below or send mike@standardsmichigan.com a request for subscription details.
This content is accessible to paid subscribers. To view it please enter your password below or send mike@standardsmichigan.com a request for subscription details.
This content is accessible to paid subscribers. To view it please enter your password below or send mike@standardsmichigan.com a request for subscription details.
This content is accessible to paid subscribers. To view it please enter your password below or send mike@standardsmichigan.com a request for subscription details.
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— Truefitt & Hill London (@TruefittHill) March 5, 2022
Standards Michigan Upper Peninsula
The Finnish presence in Northern Michigan stems from mass immigration during the late 19th and early 20th centuries. Between 1870 and 1929, over 350,000 Finns arrived in the U.S., with Michigan drawing about 40% due to its copper and iron mines, lumber mills, and farms.
Recruited from Norway’s mines starting in 1864, they settled in towns like Hancock, Calumet, Ishpeming, and Ironwood, drawn by the region’s harsh winters, long summer days, and forested terrain mirroring Finland’s.
By 1930, nearly 75,000 Finnish descendants lived there, forming the largest ethnic group in five northwestern UP counties (35% Finnish heritage per recent census). They built saunas, cooperatives, and Lutheran churches, including the Suomi Synod (1890) and Finlandia University (1896, since closed).
Cultural festivals like Heikinpäivä and pasties (adapted from Cornish miners) endure, sustaining a “Sauna Belt” legacy amid mining booms that rivaled California’s Gold Rush.
New update alert! The 2022 update to the Trademark Assignment Dataset is now available online. Find 1.29 million trademark assignments, involving 2.28 million unique trademark properties issued by the USPTO between March 1952 and January 2023: https://t.co/njrDAbSpwB pic.twitter.com/GkAXrHoQ9T
— USPTO (@uspto) July 13, 2023
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