Health Canada uses in its drinking water guidelines on asbestos are old. Out of the 27 sources it cites, all were published before 1989 — and one was published in the 1960s.
“Our recent review of the hazard and exposure data related to ingestion of asbestos in drinking water still supports the conclusion from the 1989 technical document that there is little evidence suggesting a causal relationship between asbestos ingestion and cancer,” Johnson said. This year the city is concentrating its efforts on a major reconstruction above and below Graham Ave. on the southside.
Clarke also noted that last year, the city has repaired asbestos water mains on the 4700 block of Scott Ave. in February and at 4400 Sparks St. in June 2022.
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