Welch, K., Higgins, I., Oh, M. and Burchfield, C., Arsenic exposure, smoking, and respiratory cancer in copper smelter workers.
[consultox.com]
Arsenic (inorganic)Toxicity Sources: Suicidal, Homicidal, Occupational, Environmental Mining Inorganic arsenic: Exposure to by-products of copper & lead smelting Ingestion
[slideshare.net]
Similarly, the long-term exposure with the cutting and burning of wood preserved with copper chrome arsenate leads to elevated blood levels but no signs or symptoms of toxicity
[patient.info]