Questions and Answers with GTI

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Questions and Answers with GTI
Submitted by Brian St. Peter, General Manager
Centreville Cultivation, Green Thumb Industries
February 2023
1. The community recognizes odors coming from the site, and at times it’s worse than others. Can you
confirm which odors are coming from the exterior crop production versus the interior
manufacturing/pharmaceutical development? What would be the time frames/seasons that the
community should anticipate these potential odors?
Green Thumb grows cannabis both inside and outside of our Centreville facility, and the associated
odors are the same. However, we only grow outside during the summer. The degree of odor can be
attributed to a few factors:
1) Harvesting. We harvest plants each week, which refers to the process of cutting down and
hanging plants to dry. This activity may increase the odor coming from the facility.
2) Air temperature, pressure, and moisture. These factors can impact how the odor travels.
3) Type of strains. We grow many different strains of cannabis (similar to how there are
different types of apples) and each strain may have a different odor.
4) Time of year. The timeframe with the strongest odor is September and October when the
exterior plants reach full maturity and are harvested.
2. It would help for the community to understand “what’s happening?” with the
current OUTDOOR crop production and harvest. Could you share marketing materials/visual aids
you publish that could assist community members with being able to picture “what’s happening“
now versus what might be planned for the future?
Outdoor cannabis cultivation follows the typical agricultural growing season with plants being
planted in late spring and harvested in late fall. Plants will start off as very small clones in the
greenhouse and then will move to the outdoor field after acclimatizing to outdoor environmental
conditions. Throughout the outdoor growing season, the outdoor cultivation team works to train the
plants and defoliate surplus foliage as needed to ensure proper light penetration to the entire plant.
Empty Field:
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Field mid-season:
Field just prior to harvest:
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3. It would help for the community to understand “what’s happening?” with the current INDOOR crop
production and harvest. Could you share marketing materials/visual aids you publish that could
assist community members with being able to picture “what’s happening“ now versus what might
be planned for the future?
The indoor cultivation process ‘mimics’ that of the outdoor. Indoor cannabis cultivation allows for
very tight environmental controls (temperature, light, humidity) which are important in growing
high-quality cannabis products. By growing indoor, GTI can better control climate conditions and
does not have to depend on outdoor weather variations , such as wind, rain or cloud cover. The size
of the indoor grow is not projected to change at this time.
4. What are you doing or what could you do potentially do to mitigate the odors from (a) the exterior
crop growth/harvest as well as (b) the interior manufacturing/pharmaceutical development?
We have all the necessary equipment in place to mitigate odors, including filters, air handling units,
etc. However, some odor will always be present, similar to being located near a brewery; we are
continually exploring new technologies odor mitigation.
5. At a time when the town is experiencing a critical shortage of water/sewer capacity, and an aging
wastewater treatment facility, can you talk about your town water utilization volume now versus
what might be projected in the future?
We utilize enhanced watering systems that only use what is needed to nourish our plants. The
amount of water that goes down the drain is low at 15%; approximately 85% of the water used gets
consumed by the plant and converted during the photosynthesis process. The water for the
outdoor grow is sourced from an onsite well. The size of our grow (both internal and external) is not
scheduled to increase at this time.
6. What laboratory testing is completed on GTI products to ensure they are safe for consumers?
All cannabis products that are sold to dispensaries for sale to consumers undergo robust analytical
testing from a third-party laboratory, Steep Hill Analytics. Analytical testing by a third-party
laboratory is a COMAR requirement and is in place to ensure that all cannabis sold within the
Maryland market is safe for consumers. Additionally, GTI Centreville houses an internal analytical lab
to complete in-progress testing.
7. Do employees consume cannabis on GTI property?
Consumption of cannabis is not permitted on GTI property. All employees sign a pledge stating that
they will not consume any cannabis, drugs, or alcohol on GTI property.
8. With the recent passage of proposition 4 in November 2022 and recreational cannabis sales
projected to start in July 2023, will the GTI Centreville team be growing in size and will additional
local jobs be created?
Yes! Currently, the GTI Centreville team has approximately 115 employees. We have plans to
expand the team to prepare for the increase in demand with the legalization of adult-use cannabis
in Maryland.
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9. What does the organizational structure at GTI Centreville look like?
GTI Centreville is both a cultivation facility as well as a production facility. Cannabis is grown in
cultivation spaces and then is processed and sold directly as flower or undergoes additional internal
processing to produce gummies, vapes, topicals or concentrates. The organizational structure
closely resembles that of a traditional manufacturing facility and includes teams that focus on
production, quality, maintenance, safety, supply chain, sales, and cultivation.
10. What community involvement does GTI Centreville participate in?
Giving back to the community is an important aspect of the GTI culture. The GTI Centreville team
conducts food drives multiple times a year to support local food pantries, works with local charities
around the holidays and back-to-school season to help local families, and regularly participates in
the Polar Bear Plunge to raise funding for the Maryland Special Olympics. The GTI Centreville team is
always looking to expand our involvement in the local community.
Additionally, one of GTI’s cannabis brands, Good Green, reinvests cannabis dollars back into the
community to drive real, sustained change in three key areas: education, employment and
expungement. This includes providing unrestricted grants to nonprofit organizations and
participating in career fairs and expungement clinics to help people get their records cleaned up to
improve their employment, housing and other opportunities.
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