Wood preservation facilities, copper azole: chapter H, table 4

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Table 4. Potential Health Effects of Exposure to Copper Azole Solutions

(Wolman^® NB)		Possible health effects
Exposure category (Route of Entry)	Type of exposure	Short-term exposure	Long-term exposure
Estimated daily intake from various sources (air, water, food) with limited to no heath effect ^(a)
Copper (an essential element)	2.47 mg/day
Eye contact ^(a,b)	Direct contact	CA-B concentrate is corrosive Will cause irritation, pain and reddening	Ulceration, may cause irreversible damage
Skin contact ^(a,b) ACGIH threshold limit value-time weighted averages (TWAs) ^(c)	Significant skin contact with concentrates Ethanolamine: 8 mg/m³ air 3 ppm	Short term (up to 1 hour) Mild to moderate skin irritation, inflammation, reddening	Long term Severe irritation, ulceration, chemical burns
Exposure to airborne contaminant or dust Inhalation ^(a,b) ACGIH threshold limit value-time weighted averages (TWAs) ^(c)	Inhalation of mists, droplets or dust of concentrates Copper (dusts and mists): 1.0 mg Cu/m³ air	May cause upper respiratory tract irritation Moderate irritation of nose, throat and lungs Irritation of eyes	Moderate to severe irritation of mucous membrane, nose, throat and lungs Irritation of eyes
Ingestion ^(a,b)	Ingestion of work solutions or concentrates through manipulation of contaminated goods (dishes, gum, candy, food, tobacco, liquids)	Irritation of the gastrointestinal tract Gastrointestinal discomfort with potential nausea, abdominal pain, vomiting, diarrhea	Large quantity may result in liver and kidney damage
Chronic symptoms ^(a,b)	Repeated overexposures	Prolonged or repeated inhalation will cause severe irritation and lung damage and may result in liver and kidney damage Severe skin irritation, ulceration, chemical burns Abdominal pains and other persistent symptoms of illness Not known as carcinogenic to humans

Health Canada / Water Quality - Reports and Publications / Chemical/Physical Parameters
Arch Treatment Technologies, Inc. Material Safety Data Sheet, Wolman^® NB, Revision date 09/16/2009
American Conference of Governmental Industrial Hygienists (ACGIH)
- http://www.acgih.org

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Date modified:: 2014-07-08