Standards for tree work: one register

This page reports what the official source says. It is not legal advice: ask the office named here. It reports what the publishers say about each standard on October 8, 2026: its title, edition, status and scope. It does not reproduce any standard. A standard is a paid or licensed document, so every row points to the publisher's own page for the full text. Editions change, and the edition and status in each row are what the publisher listed on the day the page was read.

How the register is organised

Tree work meets standards from four families. ANSI standards in the United States cover how tree care is done and how workers are kept safe. British Standards cover tree work, trees on construction sites and young trees, and BSI also publishes the UK edition of European and international standards for equipment. Standards Australia publishes the Australian and joint Australian and New Zealand standards. Equipment standards that start with BS EN or BS EN ISO are the UK editions of European and international standards, as BSI lists them. The UK government publishes a list of designated PPE standards, and its consolidated list is version 13 of August 8, 2026. Guides on the site that go deeper: pruning standards, trees and construction, and the protective equipment matrix that shows which regulator names which standard.

United States

Publishers: ISA, TCIA, ISEA and ASSP. TCIA sells A300, which TCI Magazine says was consolidated in 2023 from ten separately published parts into one document, with the former parts called clauses. ISEA publishes the head, eye and hand protection and high-visibility standards. ASSP publishes the Z359 fall protection family. The ANSI Z133 edition has its own page: ANSI Z133-2026.

Standard, title as the publisher writes it, edition and status	What it covers, and the publisher's page
ANSI Z133-2026. American National Standard: Safety and Health Requirements for Arboricultural Operations. 2026 edition, available May 27, 2026. ISA says the 2017 edition was effective until May 27, 2026.	The US safety standard for tree care work. See the ISA page.
ANSI A300-2023. ANSI A300 Tree Care Standards. 2023 edition in one document. TCIA's old Part 5 page says that part ended November 16, 2023. TCI Magazine says the next revision is scheduled for 2028.	Tree care practice standards in 15 clauses, from pruning, soil management and planting to tree risk assessment and pest management. See the TCIA page.
ANSI/ISEA Z89.1-2026. American National Standard for Industrial Head Protection. 2026 edition, announced September 11, 2026.	Industrial hard hats. ISEA says Type I and II designations address impact and penetration protection, while Class designations address electrical protection. See the ISEA announcement.
ANSI/ISEA Z87.1-2025. American National Standard for Occupational and Educational Eye and Face Protection Devices. 2025 edition, announced January 8, 2026.	Performance, testing and marking for eye and face protective devices. See the ISEA announcement.
ANSI/ISEA 107-2020. American National Standard for High-Visibility Safety Apparel. 2020 edition on ISEA's standards list.	Colour and brightness of high-visibility garments, with three performance classes. See the ISEA page.
ANSI/ISEA 105-2024. American National Standard for Hand Protection Selection Criteria. 2024 edition on ISEA's standards list.	Criteria for choosing protective gloves. See the ISEA standards list.
ANSI/ASSP Z359 family. Fall Protection and Fall Restraint (Z359). Each part has its own year. ASSP's page lists Z359.0 to Z359.18 and Z459.1.	Equipment and systems for climbing, work positioning, fall arrest and rescue, including harnesses, lanyards, connectors and energy absorbers. See the ASSP page.

United Kingdom: tree work and trees on sites

The publisher is BSI. These three British Standards are about the work and the tree, not the gear. The council and planning side of BS 5837 is in the guide on trees and construction.

Standard, title as the publisher writes it, edition and status	What it covers, and the publisher's page
BS 3998:2010. Tree work. Recommendations. Current. Published December 31, 2010.	General recommendations for tree work, including options for established trees and overgrown hedges. See the BSI page.
BS 5837:2012. Trees in relation to design, demolition and construction. Recommendations. Current, Under Review. Published April 30, 2012.	Recommendations for caring for trees around planned construction, demolition and existing structures. BSI says it replaced the 2005 edition. See the BSI page.
BS 8545:2014. Trees: from nursery to independence in the landscape. Recommendations. Current, Under Review. Published February 28, 2014.	Recommendations for planning, producing, planting and managing young trees until they stand on their own. See the BSI page.

Equipment: EN and ISO standards as BSI lists them

The publisher of every row is BSI, which issues the UK edition of CEN and ISO standards. These are the protective equipment standards climbers and saw crews see on labels, listed in the UK edition. Rows run from helmets and eye and hearing protection, through chainsaw clothing and boots, to harnesses, connectors and ropes. The ISO 11393 series is the international set for chainsaw clothing, and BSI lists parts 2, 4, 5 and 6 here.

Standard, title as the publisher writes it, edition and status	What it covers, and the publisher's page
BS EN 397:2025. Industrial protective helmets. Current. Published September 30, 2025.	Design, performance, test and marking requirements for general-use industrial helmets. Extra requirements apply only when the maker claims them. See the BSI page.
BS EN 12492:2025. Mountaineering equipment. Helmets for mountaineers. Safety requirements and test methods. Current. Published October 31, 2025.	Helmets for mountaineering and similar activities such as climbing, caving and canyoning. See the BSI page.
BS EN ISO 16321-1:2022+A1:2025. Eye and face protection for occupational use - General requirements. Current. Published March 31, 2025.	General requirements for eye and face protectors against hazards such as flying particles, dusts, splashes and optical radiation. See the BSI page.
BS EN ISO 16321-3:2022. Eye and face protection for occupational use - Additional requirements for mesh protectors. Current. Published June 30, 2022.	Extra performance and marking requirements for mesh protectors against impacts from flying particles. See the BSI page.
BS EN 352-1:2020. Hearing protectors. General requirements - Earmuffs. Current, Under Review. Published March 31, 2021.	Construction, design, performance, marking and user information for earmuffs. See the BSI page.
BS EN 352-2:2020. Hearing protectors. General requirements - Earplugs. Current, Under Review. Published November 30, 2020.	Construction, design, performance, marking and user information for earplugs. See the BSI page.
BS EN ISO 11393-2:2019. Protective clothing for users of hand-held chainsaws - Performance requirements and test methods for leg protectors. Current. Published September 30, 2019.	Performance, test, design, identification and marking requirements for chainsaw leg protectors. See the BSI page.
BS EN ISO 11393-4:2019. Protective clothing for users of hand-held chainsaws - Performance requirements and test methods for protective gloves. Current. Published October 31, 2019.	The same kind of requirements for gloves that protect against hand-held chainsaw cuts. See the BSI page.
BS EN ISO 11393-5:2019. Protective clothing for users of hand-held chainsaws - Performance requirements and test methods for protective gaiters. Current. Published July 31, 2019.	Test methods for the cut resistance of chainsaw gaiters. See the BSI page.
BS EN ISO 11393-6:2019. Protective clothing for users of hand-held chainsaws - Performance requirements and test methods for upper body protectors. Current. Published November 30, 2019.	The same kind of requirements for upper body protectors. See the BSI page.
BS EN ISO 17249:2013. Safety footwear with resistance to chain saw cutting. Current. Published November 30, 2013.	Requirements for safety footwear that resists chain saw cutting. See the BSI page.
BS EN ISO 20345:2022+A1:2024. Personal protective equipment. Safety footwear. Current. Published February 29, 2024.	General-purpose safety footwear: mechanical and thermal risks, slip resistance and ergonomics. BSI notes it does not cover high visibility. See the BSI page.
BS EN ISO 20471:2013+A1:2016. High visibility clothing. Test methods and requirements. Current, Under Review. Published April 30, 2013.	Test methods and requirements for high-visibility clothing. See the BSI page.
BS EN 388:2016+A1:2018. Protective gloves against mechanical risks. Current, Under Review. Published January 31, 2019.	Requirements, tests and marking for gloves against abrasion, blade cuts, tears, punctures and, where it applies, impact. See the BSI page.
BS EN ISO 21420:2020. Protective gloves. General requirements and test methods. Current, Under Review. Published March 31, 2020.	General requirements for all protective gloves: design and construction, comfort, marking and maker's information. See the BSI page.
BS EN 361:2002. Personal protective equipment against falls from a height. Full body harnesses. Current, Under Review. Published July 4, 2002.	Full body harnesses against falls from a height. See the BSI page.
BS EN 358:2018. Personal protective equipment for work positioning and prevention of falls from a height. Belts and lanyards for work positioning or restraint. Current. Published December 31, 2018.	Belts and lanyards that hold a worker in position or keep a worker from reaching a fall edge. See the BSI page.
BS EN 813:2024. Personal fall protection equipment - Sit harnesses. Current. Published March 31, 2024.	Sit harnesses for restraint, work positioning and rope access where a low attachment point is needed. BSI says they are not suitable for fall arrest. See the BSI page.
BS EN 354:2010. Personal fall protection equipment. Lanyards. Current. Published April 30, 2011.	Requirements, tests, marking and packaging for lanyards. See the BSI page.
BS EN 355:2002. Personal protective equipment against falls from a height. Energy absorbers. Current. Published July 4, 2002.	Requirements, tests and marking for energy absorbers. See the BSI page.
BS EN 795:2012. Personal fall protection equipment. Anchor devices. Current, Under Review. Published August 31, 2012.	Performance and tests for single-user anchor devices that can be removed from the structure. See the BSI page.
BS EN 362:2004. Personal protective equipment against falls from a height. Connectors. Current. Published December 9, 2004.	Connectors used as links in fall arrest, work positioning, rope access, restraint and rescue systems. See the BSI page.
BS EN 12275:2013. Mountaineering equipment. Connectors. Safety requirements and test methods. Current. Published April 30, 2013.	Connectors for mountaineering, climbing and related activities. See the BSI page.
BS EN 12278:2007. Mountaineering equipment. Pulleys. Safety requirements and test methods. Current, Under Review. Published September 28, 2007.	Safety requirements and tests for pulleys used in mountaineering including climbing. See the BSI page.
BS EN 567:2013. Mountaineering equipment. Rope clamps. Safety requirements and test methods. Current. Published April 30, 2013.	Rope clamps used with dynamic ropes, accessory cord and low stretch kernmantel ropes. See the BSI page.
BS EN 566:2017. Mountaineering equipment. Slings. Safety requirements and test methods. Current, Under Review. Published March 31, 2017.	Safety requirements and tests for slings used in mountaineering including climbing. See the BSI page.
BS EN 1891:1998. Personal protective equipment for the prevention of falls from a height. Low stretch kernmantel ropes. Current, Under Review. Published September 15, 1998.	Low stretch kernmantel ropes for preventing falls from a height. See the BSI page.
BS EN 12841:2024. Personal fall protection equipment. Rope access systems. Rope adjustment devices. Current, Under Review. Published March 31, 2024.	Rope adjustment devices used in rope access systems. See the BSI page.

Older editions BSI lists as withdrawn

On its chainsaw PPE page, HSE names BS EN 381-5, BS EN 166 and BS EN 1731, and the list below shows BSI's withdrawal date for each older edition. Which standard replaced which is set out on the publishers' pages.

Older edition	Withdrawn, as BSI lists it	Publisher's page
BS EN 381-5:1995 (chainsaw leg protectors)	October 7, 2019	See the BSI page
BS EN 166:2002 (eye protection specifications)	June 13, 2022	See the BSI page
BS EN 1731:2006 (mesh eye and face protectors)	June 6, 2022	See the BSI page
BS EN 358:2000 (work positioning belts and lanyards)	December 6, 2018	See the BSI page
BS EN 813:2008 (sit harnesses)	March 27, 2024	See the BSI page
BS EN 12841:2006 (rope adjustment devices)	March 22, 2024	See the BSI page
BS EN ISO 20345:2011 (safety footwear)	July 3, 2023	See the BSI page

Australia, with the joint Australian and New Zealand standards

Standards marked AS/NZS are Australian/New Zealand Standards, the wording SafeWork NSW uses in the PPE table of its Tree works Code of Practice (March 2026). WorkSafe New Zealand's codes name several of the same AS/NZS standards, and some NZ-only ones, as the guide on protective equipment standards by country shows. The publisher of every row is Standards Australia, and prices and full text are on each of its pages.

Standard, title as the publisher writes it, edition and status	What it covers, and the publisher's page
AS 4373-2007. Pruning of amenity trees. Pending Revision. Published March 14, 2007.	Methods for pruning amenity trees and guidance on correct, uniform practice. See the Standards Australia page.
AS 4970:2025. Protection of trees on development sites. Current. Published May 30, 2025. Amendment 1:2025 listed.	Principles and process for retaining, protecting and fitting trees into development sites. See the Standards Australia page.
AS 2303:2018. Tree stock for landscape use. Current. Published December 21, 2018.	Criteria for people who grow, specify or buy tree stock for landscape use. See the Standards Australia page.
AS 4419:2018. Soils for landscaping and garden use. Current. Published December 21, 2018.	Requirements that soils support plant growth, for makers and users of landscape soils. See the Standards Australia page.
AS/NZS 1801:2024. Occupational protective helmets. Current. Published September 20, 2024.	Specifications for protective helmets that reduce the severity of head injury. See the Standards Australia page.
AS 16321.1:2026. Eye and face protection for occupational use, Part 1: General requirements (ISO 16321-1:2021, MOD). Current. Published May 29, 2026.	General requirements for occupational eye and face protectors. The page lists AS/NZS 1337.1:2010 among the standards it supersedes. See the Standards Australia page.
AS/NZS 1337.1:2010. Personal eye protection, Part 1: Eye and face protectors for occupational applications. Current. Published June 28, 2010.	Minimum requirements for non-prescription eye and face protectors against hazards such as flying particles, dusts and splashes. See the Standards Australia page.
AS/NZS 1270:2002. Acoustics - Hearing protectors. Current. Published January 18, 2002.	Design, material and performance requirements for conventional hearing protectors, and test procedures. See the Standards Australia page.
AS/NZS 2161.3:2020. Occupational protective gloves, Part 3: Protection against mechanical risks. Current. Published December 11, 2020.	Gloves against mechanical risks. The page says it adopts EN 388:2016 A1:2018. See the Standards Australia page.
AS/NZS 2210.1:2025. Safety and occupational footwear, Part 1: Guide to selection, care and use. Current. Published June 27, 2025.	Advice on choosing, caring for and using safety and occupational footwear. See the Standards Australia page.
AS/NZS 4453.3:1997. Protective clothing for users of hand-held chainsaws, Part 3: Protective legwear. Current. Published March 5, 1997. Amendment 1 listed.	Design and performance requirements for chainsaw protective trousers and chaps. See the Standards Australia page.
AS 4602.1:2024. High visibility safety garments, Part 1: Garments for high risk applications. Current. Published June 28, 2024.	Conspicuity requirements for garments worn by people exposed to moving traffic, plant or equipment in high risk situations. See the Standards Australia page.
AS/NZS 1891.1:2020. Personal equipment for work at height, Part 1: Manufacturing requirements for full body combination and lower body harnesses. Current. Published August 28, 2020.	Materials, design, manufacture, testing and marking of harnesses for work at height. See the Standards Australia page.
AS 1891.5:2020. Personal equipment for work at height, Part 5: Manufacturing requirements for lanyard assemblies and pole straps. Current. Published August 28, 2020.	Materials, design, manufacture, testing and labelling of lanyard assemblies and pole straps. See the Standards Australia page.
AS/NZS 1891.4:2025. Personal equipment for work at height, Part 4: Selection, use and maintenance. Current. Published September 19, 2025.	Requirements and recommendations for choosing, using and maintaining industrial fall-arrest systems and devices. See the Standards Australia page.