ii
365-AXJ-01-iGDO © 2020, Workplace Safety & Prevention Services (WSPS)
1 877 494 WSPS (9777) | 905 614 1400 | www.wsps.ca
WSPS.CA
Page No.
Table of Contents
SILICA IN THE WORKPLACE ........................................................... i
About this Guide .....................................................................................1
Silica: Its Occurrence, Uses and Health Effects ........................... 2
What is Silica? ................................................................................... 2
How Can I Determine Whether Crystalline Silica is Present
in my Workplace? ............................................................................. 4
Is all Dust Containing Crystalline Silica Potentially Harmful? 4
Who is Likely to be Exposed? ......................................................... 4
What are the Effects of Exposure to Respirable
Crystalline Silica? ............................................................................. 5
Silica: Assessment and Control ......................................................... 7
How Can Workplace Exposure to Silica be Assessed? .............. 7
How Can Exposure to Crystalline Free Silica be Controlled? . 8
A. ENGINEERING CONTROLS .................................................... 8
B. WORK PRACTICES AND PROCEDURES ........................... 10
C. PERSONAL HYGIENE FACILITIES AND PRACTICES . 12
D. AIR MONITORING ................................................................... 13