Contamination discovery

How to spot contamination

During construction, signs of possible contamination include, but are not limited to the following:

  • Rusted barrels and containers
  • Stained or discolored earth in contrast with adjoining soil
  • Fill material containing debris
  • Household trash covered by earth or industrial waste debris
  • Non-earthy odors which emanate when the earth is disturbed
  • Oily residue intermixed with earth
  • Sheen on groundwater
  • Structures such as asbestos cement pipe, abandoned pipes and underground storage tanks

If you discover contamination

As a City of Calgary Contractor, you must report any suspected contamination discovery to The City of Calgary Project Designate and to the Fire Department 403-264-1022 as soon as possible.

To report a contamination issue, call 311 or fill out the service request below.

Contamination Concerns

For more information, please view our Contractor Environmental Responsibilities Package.

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