WHMIS (Limestone)

Workplace Hazardous Materials Information System

WHMIS 1988 classification - Note to reader
Update: 2005-09-28
  • WHMIS pictogram :

    D2A

D2A
  • Very Toxic Material Causing Other Toxic Effects
  • untested mixture that may contain at least 0,1 % of a carcinogen (crystalline silica); untested mixture that may contain at least 1,0 % of a product causing chronic toxicity (crystalline silica)

Disclosure at 0,1% according to classification criteria

WHMIS 2015 classification - Note to reader
Update: 2015-08-19

  • Carcinogenicity - Category 1A
    • Contains more than 0.1% of a carcinogenic substance: crystalline silica
  • Specific target organ toxicity - repeated exposure - Category 1

  • WHMIS 2015 pictogram : Health hazard

Danger

May cause cancer (H350)
Causes damage to organs through prolonged or repeated exposure (H372)

Ingredient disclosure

Comments: Classification regarding specific organ toxicity - repeated exposure (H372) applies to an untested mixture that may contain at least 1% of a product causing chronic toxicity (crystalline silica)