Inorganic arsenic compounds

Arsenic is present in the aquatic and terrestrial environments because of natural weathering and erosion of rock and soil, and human activities (including gold- and base-metal processing, the use of arsenical pesticides, coal-fired power generation and the disposal of domestic and industrial waste materials).

There is more than one CAS number that applies to this group of substances.

Risk Assessment


This substance is entering the environment from the following source(s):

Risk Management Tool(s)

Tool(s) developed to manage risks associated with the substance:


Consultation (past and present) on the substance:

Other Information


Email address:
Fax number: (819) 994-0007

Chemicals Management Division
Environment Canada
Fontaine Building
200 Sacré Coeur Blvd.
Gatineau, Quebec
K1A 0H3