Pre remediaiton assessment: Marijuana Grow Operation

Grow Operation Assessment and Certification

Antiquity Environmental offers Grow Op and Clandestine Lab pre and post assessment and certification services.

Marijuana grow operations (MGO) and clandestine labs operated in residential and commercial properties can pose a variety of short and long-term mould and chemical issues for susceptible persons.  Excessive moisture often found in MGO can cause significant visible and non-visible mould growth.

Chemicals used in Clandestine labs are both toxic and dangerous. Residual chemical concentrations used to make methamphetamine and its precursors can remain in and on building materials for long periods of time.

In the case of methamphetamine and other illegal drug, manufacturing children are a high-risk group as a result of both dermal and respirable exposure.

Certification

Certification of a previous grow op and/or clandestine lab is required by many municipalities in BC.  Antiquity provides pre-remediation assessment and post-remediation sampling for residential commercial properties that have been identified as a marijuana grow operation (MG0) or clandestine lab.

Assessment

Assessment is required on all properties that  were or may have been identified as an MGO or clandestine lab.

All transfer of property should be assessed to ensure that it has not been an MGO or clandestine lab.  The assessment Antiquity Environmental provides is thorough detailed inspection to detect any signs of mould and or chemical residual issues related to the property.The majority of municipalities in British Columbia have identified in their municipal by-laws that a “Certified Industrial Hygienist/Registered Occupational Hygienist” is the minimum qualifications for persons conducting the assessment and certification of previous MGO or Clandestine Labs.

Pots of soil discarded after growop

Part of the grow op remediation process

The detailed inspection and assessment should include but is not limited to the following:

  1. Visual inspection which may or may not include intrusive and or destructive testing.
  2. The use and application of specific instrumentation.
  3. Identification of any form of contamination including mould, chemicals, pcb’s and asbestos.
  4. Identification of any cross connections and/or plumbing related issues related to contamination of the water supply.
  5. Observations as to the need for a Phase 1 Environmental Site Assessment if there is evidence of contamination outside of the premises to the property to adjoining properties.
  6. A scope of work necessary to remediate the property.
  7. Post remediation sampling to ensure that remediation work carried out by an independent contractor was completed successfully.

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