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

• Copper (an essential element)

• 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

• Irritation of the gastrointestinal tract
• Gastrointestinal discomfort with potential nausea, abdominal pain, vomiting, diarrhea

• Large quantity may result in liver and kidney damage

• 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