Engineers of

Markham Waxers

Abatement Council
of Ontario






















Proud Owners of the Markham Waxers - Click Here


In order to ensure the safety of our workers with regards to the existence of Perchloric Acid crystals in fume hoods and ducting to be dismantled, we request that you supply the following,

  • test swab procedures, and analytical techniques used,

  • testing method selection criteria,

  • all locations of test swabs and reasoning for locations and numbers of samples,

  • all results of analytical testing,

  • a complete explanation of findings, and

  • a written guarantee that no Perchloric Acid crystals exist in any of the hoods and ducting to be dismantled along with complete indemnification of ORC and their consultant in the event any mishap should occur as a result of the existence of Perchloric Acid crystals.









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