1. Chemical Storage

2. Storage - General
Hazardous chemicals must be stored in a specialized storage area with clear and consistent signage displayed.
The chemical storage area should be dry and well ventilated.
Chemical storage always requires extra consideration:
Special building requirements, including room sizes, building materials, locations, etc.
Only specific electrical devices can be used in some cases (explosion hazard)
Ventilation or thermoregulation
Fire suppression equipment may be required

3. Storage - General Segregated storage Cut-off storage Detached storage
Within the same building or area, incompatible materials are separated and kept distant, typically enclosed to avoid any potential contact
Cut-off storage
Within the same building, incompatible materials are separated by wall or clapboard.
Detached storage
Materials are stored in different buildings or areas.

4. Storage Area Features A：Building B：Flammable base detector
C：Explosion-proof lighting
D：Containers closed
E：Secondary containment
F：Ventilation
G：Ground seepage control
H：SDS
I：Secure door (Fire rated if flammables)
J：Fire Suppression Equipment
K：Intrinsically Safe Electrical switch
L：Warning System
M：Eye/Body Washing

5. Emergency shower and eye wash
Eye washes and showers are installed in areas where chemical exposure risk is higher, such as storage areas or prep areas.
In the event an exposure occurs, flushing with water should be done immediately. Showers must be used for clothing/body exposures, with affected clothing removed to reduce exposure risk.
Note: It is a good idea to provide a set of emergency clothes which can be used in the event of an exposure and shower.

6. Note that homemade Eye wash stations are OK, however they should meet ANSI (or equivalent) requirements as noted on next slide
Bad examples
Photo 1 - Point out that the space around eyewash stations should be clear and unobstructed. Also fountains should be covered/capped to avoid the build up of dust/dirt
Photo 2 – flow considerations. If too much pressure water could damage the eye

7. Basic Principles Proper Flow for 15 min Valve
Open in less than 1 sec
Stays open
Within 10 seconds of hazard
Path
Same Level
Unobstructed
Checked weekly
Heads Protected from Dust
Employees trained on use
Well-Lit Area with Signage
ANSI/ISEA Z American National Standard for Emergency Eyewash and Shower Equipment

8. Compatibility The most common outcomes are:
• Heat or pressure is produced
• Fire
• Explosion
• Formation of toxic gases and vapors
• Formation of flammable gases

9. Compatibility Charts
Compatibility Charts are widely available.

10. Incompatible Materials
There should not be any chemical reaction between chemicals and shelves or chemicals and containers
i.e. Acids and Metals

11. Flammables

12. Flammables
Flammable liquids are defined as any liquid having a flashpoint below 37.8oC (Check SDS)
Common Flammables include:
Glues & Adhesives
Primers
Thinners
Solvent based inks
Cleaning solvents

13. Impact of Temperature Fire Risk
Temp. Greater than Ignition Point =
Fire
The flash point of a volatile material is the lowest temperature at which it can vaporize to form an ignitable mixture in air
Fire Risk
Temp. Greater than Flash Point =
High Hazard of Fire
Describe flash point and ignition point temperatures and the risk of flammables and that this information is located on the SDS and should be reviewed.
Temp. Less than Flash Point =
No Hazard

14. Flammables – Bulk Storage
Bulk means greater than 40 Liters; from one or multiple containers
Bulk Storage areas should have appropriate protections including:
Dedicated storage areas/building
Separated from flammable materials, potential ignition sources, etc.
Including fire door
Ventilation
Intrinsically safe electrical installations and lighting
Secondary containment
Fire suppression equipment
Smoke detection/fire alarm system
Warning signage
No Smoking

15. Flammables - Bulk Storage
POOR PRACTICE
Uncontrolled/ designated storage, no secondary containment, unsafe stacking

16. Flammables – Bulk Storage
POOR PRACTICE
Looks reasonable, but several high risk items:
Exterior wall made of wood (combustible)
No containment door
Window opens into production area with more flammable material

17. Flammables - Bulk Storage
GOOD PRACTICES
Dedicated, contained and segregated storage area
Secondary containment
Fire suppression

18. Flammables – Production Areas
Storage of flammables in production areas should be limited as much as possible and safety measures should include:
Storage of daily usage quantities (or less, if possible)
Fire cabinets for any bulk storage
Kept clear of heat or ignition sources
Appropriate containers
Compatible material
Labelled

19. Flammables – Production Areas
POOR PRACTICE
Storing bulk flammables under production station tables

20. Flammables – Production Areas
POOR PRACTICE
Using unlabeled water bottles

21. Flammables – Production Areas
POOR PRACTICE
Storage near potential ignition source

22. Flammables - Production Areas
GOOD PRACTICES
Proper cabinet
Dedicated storage room with fire protections in storage area
Proper containers

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