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    5S

    Also known as: Five S, 6S, 5S methodology

    Definition

    A lean workplace-organisation method with five steps: sort, set in order, shine, standardise and sustain (Japanese seiri, seiton, seiso, seiketsu, shitsuke).

    Editorial definition: The QHSE Standard, updated 3 October 2026 · https://qhsetech.com/glossary/5s

    Scope: 5S is a lean and housekeeping method, not a legal safety standard. A good 5S score does not show compliance, and scoring scales and checklists are set locally.

    Example for your evaluation: Audit one area with a written checklist, score each pillar, log what was red-tagged and removed, and follow each action to closure.

    Sources checked: . Examples are editorial illustrations.

    How EPA, the Lean Enterprise Institute and CCOHS describe 5S and housekeeping

    EPA's lean pages describe 5S as a system for reducing waste and improving productivity through an orderly workplace and visual cues, and say it is typically the first lean method an organisation adopts. They list five pillars under their Japanese names: sort (seiri), set in order (seiton), shine (seiso), standardise (seiketsu) and sustain (shitsuke). Sort removes items not needed for current operations: staff mark them with red tags and move them to a holding area for disposal, recycling or reassignment. Set in order arranges what remains for easy use, with floor marking and labels as examples. Shine is cleaning the work area daily, which EPA says helps workers notice leaks and breakages early. Standardise assigns 5S responsibilities and checks that they are maintained, with checklists among the tools. EPA calls sustain the hardest pillar because staff tend to revert to old ways. A 2024 NIST Manufacturing Extension Partnership success story names the same five steps.

    The Lean Enterprise Institute describes 5S as five Japanese terms for workplace practices that support visual control and lean production, and says it should be part of lean production and not a stand-alone programme. It adds that Toyota traditionally refers to four Ss, because the fifth becomes redundant under daily, weekly and monthly audits of standardised work, and that some practitioners add safety as a sixth S. EPA's toolkit does this and calls it 6S: five pillars from the Toyota Production System plus a safety pillar. The Institute warns that a bureaucratic version can keep a workplace tidy in appearance while waste goes unaddressed. None of the pages opened says who named the method or when, so this page makes no claim on that.

    EPA's pages also show how 5S meets hazards. Yellow tags flag environmental, health and safety hazards alongside red tags, issues are not corrected during tagging unless there is immediate danger, and items carrying both tags need hazardous-waste disposal. EPA names two risks of the method: frequent painting and cleaning can increase solvent use, and a clear-out can produce a surge of waste, possibly including unlabelled hazardous material. It suggests rating progress simply, for example 0 to 5 for each pillar, and keeping tag data in a log book or tracking system.

    5S is a lean and housekeeping method, not a legal safety standard. None of the EPA, Lean Enterprise Institute or NIST pages presents it as a legal requirement or sets a required checklist or certificate for it. Housekeeping as a safety matter does appear in law and guidance, under other wording. OSHA's rule 29 CFR 1910.22(a) requires US employers to keep places of employment, passageways, storerooms and walking-working surfaces in a clean, orderly and sanitary condition and free of hazards such as spills and loose boards. It does not use the word housekeeping or mention 5S. CCOHS says housekeeping is not just cleanliness, that order is maintained and not achieved once, and that the final step of any housekeeping programme is inspection. A tidy 5S area can support such duties, but a good 5S score is not a finding of compliance. Rules elsewhere differ, and this page is general information.

    Sources opened :

    What a 5S audit record holds in software

    • The area, date, auditor and type of audit, such as a daily self-check or a cross-area audit.
    • The checklist and its version, with the questions asked under each pillar.
    • A score for each pillar, on a scale defined in writing so two auditors would score alike.
    • Notes on what was seen and, where the site chooses, photographs. The sources read do not mention photographs.
    • A red-tag and yellow-tag log: item, place, reason, decision, who decided and when.
    • Corrective actions, each with an owner, due date and evidence of closure.
    • Hazards found, such as a blocked walkway, sent to the hazard or incident process and not held only as a score.
    • Disposal records for removed items, including any hazardous waste.

    5S, housekeeping, 6S and a safety inspection

    CCOHS treats housekeeping as wider than cleaning: layout, aisles, storage, maintenance, spills and waste. 5S is a structured lean method that includes housekeeping work and adds removal of unneeded items, a defined place for each item and written standards. 6S adds a safety pillar, as in EPA's toolkit. A 5S audit scores order and discipline against the area's own standard. A hazard inspection looks for hazards and for compliance with the rules that apply. The two can share a visit but their records answer different questions.

    A hypothetical example: a weekly 5S audit on a packing line

    Everything in this account is invented, and it describes no real site. A packing line has a weekly 5S audit by its supervisor and a monthly one by a supervisor from another area. The checklist has a few questions per pillar and a score from 0 to 5 for each, with a one-line definition of each score. In the first audit the team red-tags obsolete labels and two broken pallet trucks and moves them to a holding area. Behind a cabinet someone finds an unlabelled can of solvent. It gets a yellow tag, the supervisor reports it as a hazard, and it leaves by the site's hazardous-waste route with a disposal record.

    In week three an operator notes a small oil leak under a conveyor, easy to see because the floor was clean. It becomes a maintenance action with an owner and date. By week five the sustain score has fallen from four to two because tools are back on the bench and not on their outlines. The supervisor does not adjust the score. She asks the team why, hears that the outlines do not fit the new fixtures, and logs an action to remake them. The plant manager uses the score history as a prompt for questions and not to rank people.

    Common misunderstandings about 5S

    • 5S is not a legal standard or a certificate. A high score does not show compliance with a safety rule such as OSHA's requirement for clean, orderly surfaces.
    • A tidy area is not necessarily a safe one. The Lean Enterprise Institute warns of tidiness without improvement, and EPA notes that clear-outs can produce unlabelled hazardous waste.
    • 5S is not a one-off clean-up. EPA says the other pillars will not last without sustain.
    • Shine is not only cosmetic. EPA describes cleaning as a way to find leaks and breakages early, so record what was found.
    • A 5S score has no universal scale. EPA gives 0 to 5 for each pillar as one example. Compare scores only between audits using the same checklist and definitions.
    • The number of steps varies. Toyota is described as using four Ss, other pages list five and EPA's toolkit lists six, so state which list your procedure follows.

    How 5S relates to other glossary terms

    5S touches hazard control, event reporting, procedures and measurement, so its neighbours are the terms that receive what an audit finds.

    • Hierarchy of controls: gives the order for choosing controls, which a tidy-area score does not replace.
    • Near miss: an event, such as a slip on a spill, that an audit can help prevent or that can prompt a fresh audit.
    • SOP: the standardise step often points to written standards for how an area is kept.
    • Leading indicator: audit completion and actions closed on time are activity measures, not proof of a safe area.
    • Audit management: covers the scheduling, findings and follow-up that a repeated 5S audit also needs.

    Records and evidence that usually exist for 5S

    • The audit schedule and the completed checklists, with date, area and auditor.
    • The scoring scale and the definition of each score.
    • Red-tag and yellow-tag logs with decisions and dates.
    • Photographs or notes of conditions found, where the site keeps them.
    • Actions raised, with owners, due dates and closure evidence.
    • Disposal and recycling records for items removed, including hazardous waste.
    • Score trends by area and the area management's review of them.

    What a software tool needs to capture for 5S

    • Checklists tailored by area and versioned, so a score is tied to the questions used.
    • A defined scoring scale with each score's definition visible to the auditor.
    • Mobile capture at the work area, with an offline mode, notes and optional photographs.
    • A tag log that records item, reason, decision and decider, and can route a hazard to the incident process.
    • Actions with owners, due dates and closure evidence, linked to the audit that raised them.
    • Recurring schedules with reminders, trends by area and pillar, and an export for an auditor.

    Catalog profiles documenting inspections and audits

    Listed profiles meet the inspection and audit rule. Nothing here shows that a product ships a 5S checklist or scoring, so ask for your own checklist to be set up in a demonstration.

    Same rule for every product: tagged “Inspection Management”, “Audits & Inspections”, “Inspections”, “Offline Inspections”, “Mobile Inspections”, “Equipment Inspection”, “Audit Management”, “Internal Audit”, “Safety Management” or “EHS Management”, with a sourced inspection or safety-audit checklist capability in its record, or one the vendor stated to us, labelled as vendor-stated. Documented and conditional capabilities qualify; check the linked scope before treating a module as included.

    Tekmon pays for a sponsored placement (above); its place in this list follows the same rule as every entry. How lists are ordered

    All 79 matching profiles are shown. Documentation review, not hands-on testing or a claim of compliance.

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    Frequently asked questions

    Is 5S a legal requirement or a certifiable standard?

    Not in the sources read. EPA, the Lean Enterprise Institute and NIST describe a lean method. Duties to keep surfaces clean and orderly exist in law under other wording, such as OSHA 1910.22, and a 5S score does not show compliance.

    What goes on a 5S checklist and how is it scored?

    No source read sets one standard checklist. EPA advises checklists tailored to the area and gives a 0 to 5 rating for each pillar as one example. Define the scale in writing and compare scores only between audits using the same checklist.

    Is there a sixth S for safety?

    Some practitioners add one. The Lean Enterprise Institute notes that Toyota traditionally refers to four Ss, and EPA's toolkit calls the five pillars plus a separate safety pillar 6S. State which version your procedure follows.

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