6/3 2026
A first aid kit for a chemical factory and one for a hotel lobby have almost nothing in common beyond the green cross. This guide provides exact configuration recommendations for five distinct workplace types — what the regulations require, what the hazard profile demands, and how to deploy kits across multi-zone facilities.
Most first aid kit guidance treats all workplaces as if they share the same hazard profile. They do not. A chemical plant operating 24/7 with 200 workers handling corrosive materials faces fundamentally different incident types — and therefore requires fundamentally different first aid provisions — than a 30-person marketing office. Regulatory frameworks acknowledge this: OSHA 1910.151 requires "adequate" supplies without defining the contents precisely because adequacy is hazard-dependent.
This guide operationalises the risk-based approach. For each of five workplace types, we provide the minimum regulatory baseline, a recommended configuration that exceeds the minimum, and a deployment strategy for multi-zone facilities.
The foundation of workplace first aid kit specification is risk assessment. Regulators across all major markets — OSHA (US), HSE (UK), EU Framework Directive 89/391/EEC — require employers to conduct a workplace hazard assessment before selecting first aid provisions. The kit is the output of this assessment, not a one-size-fits-all product.
| Risk Factor | Low Risk | Medium Risk | High Risk |
|---|---|---|---|
| Injury types likely | Minor cuts, headaches, sprains | Cuts, burns, eye injuries, sprains | Trauma, crush injuries, chemical exposure, electrical, severe burns |
| Example workplaces | Offices, libraries, retail, hotels | Light manufacturing, schools, kitchens, warehouses | Chemical plants, heavy manufacturing, construction, mining, foundries |
| Recommended standard | ANSI Class A / BS 8599 Small | ANSI Class A–B / BS 8599 Medium | ANSI Class B+ / BS 8599 Large + supplementary |
| Kit format | Small PP or EVA box | Medium PP hard case or wall-mount | Large wall-mount cabinet + satellite kits |
| Minimum trained first aiders | 1 per 50 employees | 1 per 25 employees | 1 per 10–15 employees; on every shift |
| Inspection frequency | Annual minimum | Semi-annual | Monthly + after every use |
Manufacturing environments combine mechanical hazards (cutting, crushing, entanglement), thermal hazards (burns, welding flash), chemical hazards (solvents, acids, cleaning agents), and ergonomic hazards into a single complex risk profile. A standard catalogue kit is rarely sufficient — the configuration must be built around the specific production processes on site.
■ Required ■ Recommended ■ Optional by hazard
US (OSHA): 29 CFR 1910.151 requires adequate first aid supplies. ANSI Z308.1-2021 Class B is the de facto standard for manufacturing. OSHA 1910.151(a) also requires a trained first aider where a medical facility is not in close proximity.
EU / UK: EU Framework Directive 89/391/EEC requires employers to take measures for first aid. UK Health and Safety (First-Aid) Regulations 1981 require suitable first aid equipment and trained personnel. BS 8599-1 Large kit is minimum for 50+ employees in high-hazard settings.
GCC: Most GCC countries follow the ILO Occupational Safety standards. Saudi Arabia: GAZT / MOMRA occupational safety regulations require first aid provision at all industrial sites. UAE: Federal Law No. 8 of 1980 requires first aid facilities in workplaces with 50+ employees.
Office environments are low-hazard by regulatory definition. Common incidents include minor cuts, paper cuts, headaches, sprains, and allergic reactions. The primary compliance driver is head-count — regulatory frameworks specify kit size based on employee numbers, and the most common failure in office environments is simply having too small a kit for the headcount, or having one kit for a multi-floor building.
Configuration for 26–100 employees (ANSI Class A / BS 8599 Medium equivalent)
US: OSHA 1910.151 — for offices with fewer than 50 employees not near a medical facility, at least one person trained in first aid and adequate supplies. ANSI Z308.1 Class A kit is the standard reference.
UK: BS 8599-1:2019 Small kit = up to 25 employees low-hazard. Medium kit = 26–100 employees. One appointed person (not necessarily trained first aider) is minimum for low-hazard workplaces with fewer than 25 employees.
Note on medications: Most jurisdictions prohibit including prescription or OTC medications in workplace first aid kits distributed by employers, as dispensing medications constitutes a regulated activity. Check local regulations — a common solution is to provide a "medication cabinet" separately from the first aid kit.
Schools face a unique first aid challenge: the population being served (children) has different physiological needs and injury profiles than adults, and the most life-threatening incidents — severe allergic reactions, anaphylaxis, asthma attacks — require items and training that go beyond a standard workplace kit. Portable kits for outdoor activities and sports are additionally required. Regulatory requirements for schools vary significantly by jurisdiction and often sit within education ministry regulations rather than workplace safety law.
School / Kindergarten kit — paediatric-adapted configuration
UK: DfE guidance "Supporting pupils at school with medical conditions" (2015) requires schools to have a policy and trained staff. HSE first aid requirements for schools mirror general workplace law. Head teachers are responsible for ensuring adequate first aid provision.
US: Requirements vary by state. Most US states mandate at least one staff member trained in CPR/AED and first aid. California requires school nurses or trained designees. Check your state education code for specific requirements.
Key distinction: Kindergartens and preschools serving children under 5 typically face stricter requirements than primary/secondary schools — including higher staff-to-child ratios and often mandatory first aid training for all staff, not just designated first aiders.
Hotels must provide first aid for two distinct populations: employees (governed by workplace regulations) and guests (governed by duty of care and hospitality liability standards). The kitchen requires specialised blue detectable bandages. Properties with swimming pools typically face additional regulatory requirements including AED provision and lifeguard training. Branded kit presentation matters in hospitality — the kit is a visible element of the guest experience in some contexts.
Standard hotel first aid kit — front-of-house / rooms (guest-accessible)
Blue bandages in food service areas are required under food hygiene legislation in most markets. UK: FSA guidance requires visually detectable bandages in food areas. EU: Regulation (EC) 852/2004 requires food business operators to ensure staff with open wounds do not handle food or use a waterproof dressing. US: FDA Food Code §2-301.11 addresses contamination risk from wounds. In all cases, standard beige or white bandages do not comply for food preparation staff.
AED Requirement for Hotels: Requirements vary significantly. US states: 23 states have AED laws affecting hotels and public accommodations. EU: No harmonised requirement; national laws vary. UK: No legal mandate, but HSE strongly recommends for venues with 50+ occupants. Middle East: Many GCC hotel licensing requirements now include AED provision.
Construction is statistically the most hazardous work environment in most countries — accounting for a disproportionate share of workplace fatalities and severe injuries. Trauma injuries (crush, amputation, falls, penetrating wounds) are the defining risk. First aid provisions must go well beyond the standard workplace kit to include tourniquet, wound packing gauze, and trauma dressings. Remote or multi-zone site configurations require multiple distributed kits and a clear emergency response protocol.
Construction site kit — trauma-optimised configuration
US (OSHA): OSHA 1926.50 specifically governs first aid in construction. Requires: trained first aider on every shift; whole blood/plasma not to be stocked without medical direction; first aid kits at readily accessible locations. For sites remote from emergency services, additional provisions including stretchers and blankets are required.
UK (CDM Regulations 2015): Construction (Design and Management) Regulations 2015 require principal contractors to make welfare facilities including first aid available for all workers on site. HSE guidance L74 specifies first aid provision for construction.
EU: Construction sites are subject to the Temporary or Mobile Construction Sites Directive (92/57/EEC) which requires health and safety plans including first aid provisions developed during the design phase.
There is no single universal staff-to-kit ratio — different standards specify different approaches, and the correct ratio also depends on site geometry (multi-floor, multi-building, remote zones) rather than headcount alone. The guidance below synthesises the most commonly applied ratios across OSHA, BS 8599, and EU frameworks.
Use this decision sequence for any new facility or site reconfiguration:
The following items go beyond standard kit contents and should be added based on specific site hazards identified in the risk assessment. None of these replaces the standard kit — they supplement it for hazard-specific incidents.
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