Recent upgrades in the American National Standard Minimum Requirements for Workplace First Aid Kits and Supplies (Z308.1-2015) now require burn dressings and individual-use burn gels. 

“Class A” kits require a minimum of:
1 - 4”x4” (10cm x 10cm) Gel Soaked Burn Dressing
10 - Individual-use water soluble Burn Treatment (≥ 0.9g or 1/32oz each)*

“Class B” kits require a minimum of:
2 - 4”x4” (10cm x 10cm) Gel Soaked Burn Dressing
25 - Individual-use water soluble Burn Treatment (≥ 0.9g or 1/32oz each)*

*Individual-use Burn Treatment applications can be replaced with spray totaling equal or greater volume. 

THE FULL LIST OF ANSI (Z308.1-2015) MINIMUM REQUIREMENTS: 

Table 1. Classes of First Aid Kits and Required Supplies
First Aid Supply Minimum Quantity Minimum Size or Volume
  Class A Class B (US) (metric)
Adhesive Bandage 16 50 1 x 3 in. 2.5 x 7.5 cm
Adhesive Tape 1 2 2.5 yd (total) 2.3 m
Antibiotic Application 10 25 1/57 oz 0.5 g
Antiseptic 10 50 1/57 oz 0.5 g
Breathing Barrier 1 1 N/A N/A
Burn Dressing (gel soaked) 1 2 4 x 4 in. 10 x 10 cm
Burn Treatment 10 25 1/32 oz 0.9 g
Cold Pack 1 2 4 x 5 in. 10 x 12.5 cm
Eye Covering, with means
of attachment		 2 2 2.9 sq. in. 19 sq. cm

Eye/Skin Wash
 
 
1 fl oz total
 
 
4 fl. oz total
N/A 
 
29.6 ml
118.3 ml
First Aid Guide 1 1 N/A N/A
Hand Sanitizer 6 10 1/32 oz 0.9 g
Medical Exam Gloves 2 pair 4 pair N/A N/A

Roller Bandage
2 inch
4 inch
1
0
2
1
2 in. x 4 yd
4 in. x 4 yd
5 cm x 3.66 m
10 cm x 3.66 m
Scissors 1 1 N/A N/A
Splint 0 1 4.0 x 24 in. 10.2 x 61 cm
Sterile pad 2 4 3 x 3 in. 7.5 x 7.5 cm
Tourniquet 0 1 1 in. (width) 2.5 cm (width)
Trauma pad 2 4 5 x 9 in. 12.7 x 22.9 cm
Triangular Bandage 1 2 40 x 40 x 56 in. 101x 101 x 142 cm
Table 2. Characteristics of Types of First Aid Kits
Type Use Portable Mountable Water Resistant Waterproof Performance
I Indoor X
II Indoor X
III Indoor/ Outdoor X X X
IV Indoor/ Outdoor X X X Requires corrosion, moisture & impact resistance