4.12.9.1. (1) Where refrigerators are required to keep Class I liquids at a temperature below normal ambient conditions in a laboratory, such refrigerators shall be designed so that (a) electrical equipment located within the storage compartment, within the outer shell, on the door and the door frame of the refrigerator is in conformance with Subsection 4.1.4., for Class I, Division 1 hazardous locations, and (b) electrical equipment mounted on the outside surface of the refrigerator is (i) in conformance with Subsection 4.1.4., in Class I, Division 2 hazardous locations, or (ii) located above the top of the storage compartment. (2) Refrigerators described in Sentence (1) shall be identified as containing flammable or combustible liquids. (3) Class I liquids stored in refrigerators shall be kept in closed containers. O Reg. 388/97, Part 4; O. Reg. 302/99, s. 2; O. Reg. 475/00, ss. 4-31; O. Reg. 144/06, s. 11. PART 5   HAZARDOUS MATERIALS, PROCESSES AND OPERATIONS TABLE OF CONTENTS  SECTION 5.1

GENERAL


Subsection 5.1.1.

Application


Subsection 5.1.2.

Means of Egress


Subsection 5.1.3.

Electrical Installations


Subsection 5.1.4.

Ventilation


 

 


SECTION 5.2

EXPLOSIVES, FIREWORKS AND PYROTECHNICS


Subsection 5.2.1.

Explosives


Subsection 5.2.2.

Fireworks and Pyrotechnics


 

 


SECTION 5.3

MATCHES


Subsection 5.3.1.

Storage


 

 


SECTION 5.4

CELLULOSE NITRATE PLASTICS


Subsection 5.4.1.

Displays


Subsection 5.4.2.

Manufacture


Subsection 5.4.3.

Storage of Finished Products


Subsection 5.4.4.

Cellulose Nitrate Motion Picture Film


Subsection 5.4.5.

Fire Protection


 

 


SECTION 5.5

AMMONIUM NITRATE


Subsection 5.5.1.

Application


Subsection 5.5.2.

Exposure


Subsection 5.5.3.

Storage Buildings


Subsection 5.5.4.

Storage


Subsection 5.5.5.

Fire Hazards


Subsection 5.5.6.

Fire Protection


 

 


SECTION 5.6

COMPRESSED GAS CYLINDERS


Subsection 5.6.1.

General


Subsection 5.6.2.

Storage


 

 


SECTION 5.7

REACTIVE SUBSTANCESRESERVED


 

 


SECTION 5.8

CORROSIVE LIQUIDSRESERVED


 

 


SECTION 5.9

OXIDIZING MATERIALSRESERVED


 

 


SECTION 5.10

COMBUSTIBLE DUST PRODUCING PROCESSES


Subsection 5.10.1.

Dust Collection


 

 


SECTION 5.11

COMBUSTIBLE FIBRES


Subsection 5.11.1.

Storage


Subsection 5.11.2.

Fire Protection


 

 


SECTION 5.12

SPRAY APPLICATIONS USING FLAMMABLE AND COMBUSTIBLE MATERIALS


Subsection 5.12.1.

Location


Subsection 5.12.2.

Construction


Subsection 5.12.3.

Ventilation


Subsection 5.12.4.

Exhaust Ducts


Subsection 5.12.5.

Electrical Equipment


Subsection 5.12.6.

Flammable and Combustible Liquids


Subsection 5.12.7.

Control of Fire Hazards


Subsection 5.12.8.

Fire Protection Equipment


Subsection 5.12.9.

Drying Operations


 

 


SECTION 5.13

DIP TANKS


Subsection 5.13.1.

Location


Subsection 5.13.2.

Construction


Subsection 5.13.3.

Overflow and Drain Pipes


Subsection 5.13.4.

Salvage Tanks


Subsection 5.13.5.

Control of Fire Hazards


Subsection 5.13.6.

Fire Protection


 

 


SECTION 5.14

SPECIAL PROCESSES INVOLVING FLAMMABLE AND COMBUSTIBLE LIQUIDS


Subsection 5.14.1.

Quench Tanks


Subsection 5.14.2.

Flow-Coating Operations


Subsection 5.14.3.

Roll-Coating Processes


Subsection 5.14.4.

Electrostatic Spraying and Detearing    Equipment


Subsection 5.14.5.

Automobile Undercoating


Subsection 5.14.6.

Dry Powder Finishing


Subsection 5.14.7.

Organic Peroxides and Dual Component    Coatings


 

 


SECTION 5.15

RADIOACTIVE MATERIALS


Subsection 5.15.1.

Application


Subsection 5.15.2.

Storage


Subsection 5.15.3.

Emergency Procedures


 

 


SECTION 5.16

FUMIGATION AND THERMAL INSECTICIDAL FOGGING


Subsection 5.16.1.
Subsection 5.16.2.

Application
Safety Precautions


 

 


SECTION 5.17

WELDING AND CUTTING


Subsection 5.17.1.

General


Subsection 5.17.2.

Use and Maintenance of Equipment


Subsection 5.17.3.

Prevention of Fires


 

 


SECTION 5.18

INDUSTRIAL OVENS FOR BAKING AND DRYING PROCESSES


Subsection 5.18.1.

Application


Subsection 5.18.2.

Location


Subsection 5.18.3.

Construction


Subsection 5.18.4.

Ventilation


Subsection 5.18.5.

Maintenance


Subsection 5.18.6.

Fire Protection SECTION 5.1GENERAL Subsection 5.1.1.Application Application