ANSI/ISEA Z308.1-2021
American National Standard for Minimum Requirements for Workplace First Aid Kits and Supplies
Last updated: October 15, 2025
Overview
ANSI/ISEA Z308.1-2021 is the voluntary consensus standard that provides detailed minimum requirements for workplace first aid kits and supplies. This standard is explicitly referenced by OSHA as the primary guidance for compliance with 29 CFR 1910.151(b). The 2021 revision introduced significant updates including the addition of tourniquets and splints to Class B kits, reflecting modern emergency medical best practices.
OSHA Reference: OSHA explicitly references ANSI/ISEA Z308.1 in Letter of Interpretation documents as the consensus standard for workplace first aid kit compliance. While voluntary, this standard provides the definitive guidance for meeting OSHA 29 CFR 1910.151(b) requirements.
Kit Classifications
Class A - Basic First Aid Kit
Class A first aid kits are designed for common workplace injuries in low-risk environments such as offices, small businesses, and vehicles. Intended to treat a small number of people with supplies focusing on basic injuries like minor cuts, abrasions, and strains.
Typical locations: Offices, retail stores, personal vehicles, small worksites
Class B - Enhanced First Aid Kit
For higher-risk, complex, or populated environments. Contains greater quantities of supplies plus critical trauma items including a splint and tourniquet. Designed to address severe injuries until professional medical help arrives.
Typical locations: Construction sites, manufacturing plants, large facilities, warehouses
Minimum Kit Contents (2021 Revision)
| Item | Class A | Class B |
|---|---|---|
| Adhesive Bandages (1" × 3") | 16 | 50 |
| Adhesive Tape | 1 roll | 2 rolls |
| Antibiotic Application | 10 | 25 |
| Antiseptic Applications | 10 | 25 |
| Breathing Barrier | 1 | 1 |
| Burn Treatment | 10 | 25 |
| Medical Exam Gloves | 2 pairs | 4 pairs |
| Sterile Pads (3" × 3" min.) | 2 | 4 |
| Trauma Pads (5" × 9" min.) | 2 | 4 |
| Triangular Bandage (40" × 40" × 56" min.) | 1 | 2 |
| Scissors | 1 | 1 |
| Foil Blanket (52" × 84" min.) | 1 | 2 |
| Elastic Wrap Bandages (2" wide) | 1 | 2 |
| Roller Bandage (4" wide) | 1 | 2 |
| Splint (NEW in 2021) | - | 1 |
| Tourniquet (NEW in 2021) | - | 1 |
Container Requirements
- Must be able to be resealed after each use
- Portable for emergency response situations
- Weatherproof or stored in area providing protection from damage
- Clearly marked with "FIRST AID" in letters at least 1 inch tall
- Should list kit classification (Class A or Class B)
2021 Revision Key Changes
The 2021 revision represents a significant modernization of workplace first aid preparedness:
- Tourniquets: Added to Class B kits for severe bleeding control, reflecting lessons from military medicine and mass casualty events
- Splints: Required in Class B kits for immobilization of fractures and sprains
- Foil Blankets: Now required in both classes for hypothermia prevention
- Increased Quantities: Higher minimums for several items in Class B kits
ANSI/ISEA Z308.1-2021 Compliant Kits (4)
Certified Safety 16PW Class A 21 ANSI 18M First Aid Kit – Poly White Case
$43.00
Certified Safety 75V Class A ANSI First Aid Kit – 3 Shelf Metal Cabinet
$125.00
Certified Safety FAC-3 Class B First Aid Kit – 3 Shelf Cabinet
$150.00
Certified Safety FAC-4 Class B 21 ANSI First Aid Kit – 4 Shelf Metal Cabinet
$300.00
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