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Tax Parcel lD: 601105013 WffMDOdor Mitigation and Management Plan
JEFFERSON COUNTY DCD
Project Overview
The site is located at 9790 Coyle Road Quilcene, WA. This proposed plan is for two 5,ooosq ft metal
buildings that's purpose is to grow and package recreational cannabis on site. The two metal
buildings will be identical in size and shape. They will be placed next to each other, in a "1" shape.
Odor Mitigation
Objective
The objective of this odor mitigation plan is to capture and control any emission of odorous gases to
levels that eliminate any likelihood of nuisance odors. This report also addresses how we will prevent
and manage odors produced by growing and packaging cannabis. The odor mitigation steps that will
be taken are as follows:
lndoor Facility/ Tight Building: The building has been designed with minimal openings such as
doors and windows for odor mitigation purposes. The growing and packaging of cannabis
will take place inside of the sealed metal buildings. The space will also be kept negatively
pressurized by operating the supply fans at approximately 8o% of the volume of the exhaust
fans. Keeping the buildings negatively pressurized will reduce unfiltered air from escaping.
When the system is not in operation the intake and exhaust outlet will be sealed with low
leakage motor operated dampers. This will help contain the air within the building so it can
be filtered before being released back into the outdoor atmosphere.
Maximizing Setbacks: The buildings have been setback from the property lines as far as the
topography of the Iand allows to minimize potential impacts.
Engineered Building Exhaust/ Ventilation System: The ventilation for each of the buildings has
been engineered by qualified professionals. The ventilation system was designed to include
the following:
o Adequate exhaust and ventilation to maintain negative pressure within the buildings,
minimizing the likelihood of odorous air escaping.
o Meet AN lS/ASH RAE ventilation standards for acceptable indoor Air Quality.
ANSUASH RAE Standards 62;r-zot3
o Meet the Washington State Ventilation and lndoor Air Quality Code
Chapter 51-13,1997
o Filter all exhaust through two appropriately sized Granular Activated Carbon (GAC)
filters and two pleated activated carbon filters to support the filtration system.
o Exhaust to the outdoor atmosphere at least six feet above the highest point of the
structure roofline.
: ' - Waste Material: AII waste material is sealed into airtight containers and disposed of per
WSLCB requirements. Sealing the waste prevents odorous gasses from escaping as the
GAC Filtration System: The GAC filtration system has been designed and sized to effectively
control odors throughout the process of growing and packaging cannabis. Granular activated
carbon filters neutralize odors by absorbing the odor in the air and then pushing the clean air
back out. ORCAA recommended two different filter brands that have proven to be successful
in eliminating odor at indoor grow operations, Blackops filters <
http://www.blackopsfilters.com/shop/product/black-ops-carbon-filters> and Can-Filters <
https://canfilters.com/?geoip=country=U5>. Both filter brands have been incorporated into
our GAC filtration system. Blackops Filters are placed inline of the exhaust ventilation. All air
is filtered through the granulated carbon filters, scrubbing the air of odor before releasing it
back into the outdoor atmosphere. As a secondary measure standalone Can-Filters will also
be placed inside of the buildings to scrub the air.
The air is being filtered as it enters and exits the building, as well as with standalone GAC filters
within the building. The figure above shows the process of the GAC filtration system.
't. The air is being pulled from the outside of the building by an intake fan through a pleated
H EPA filter into the building.
2. Air enters the building it circulates through a series of standalone Can-Filters. Can filters are
essentially a portable aluminum filter that is filled with activated granulated carbon. Fans are
2
Air lntake
from the
Outside
lnline fan
(Pulls Air
lnto
Warehouse)
Pleated
HEPA
Filter
Granular
Activated
Carbon
Fliter
lnline Fan
Pushes Air
Out
Pleated
Carbon
Filter
Exhause
To
Exterior
Building
Stand alone
Can-Filters
attached to the filters (GAC), pulling air from the room and pushing back out odorless air into
the room.
3. As the air is pulled from the building it is filtered through an inline activated Black Ops carbon
filter and a pleated activated carbon filter. The exhaust is located six feet above the highest
point of the structure roofline. See 6reen Bush Study for exact equipment specifications.
Note: The buildings will be kept negatively pressurized by operating the supply fans at
approximately 8o% of the volume of the exhaust fans. When the system is not in operation
the intake and exhaust outlet will be sealed with low leakage motor operated dampers.
GAC Filtration Maintenance
The main component in making the above filtration plan work is the maintenance of the filters. The
filters will be changed out in accordance with the manufactures specifications to ensure no odor is
detectable outside of the building. The odor will be monitored daily and filters will be checked
monthly and changed out in accordance with manufactures specifications. lf smell is detected at any
time the filters will be immediately replaced.
3
Definition of Terms and Equipment Specifications
-lnline Fan: A fan that is mounted inline (inside or connected to ducting) that is used for intake or
extraction of air for ventilation purposes.
Equipment: Fan ModelNumbers FANTECH FKD14 and FANTECH FKD16.
Refer to noise study prepared by the Green Bush Group for specifics on fan function and placement.
- Granular Activated Carbon Filter: a method of filtering that uses granular activated carbon filtering
to remove impurities, contaminates, and odors through chemical absorption.
Equipment: Can-Filters < https://canfilters.com/?geoip:country=US>.
Blackops filters <http://www.blackopsfilters.com/shop/product/black-ops-carbon-filters>
- Granular Activated Carbon Filter System (GAC): Filtration system where air is systematically filtered
through granular activated carbon filters (BIackops and Can-Filter), eliminating odors. See above
picture for a more detailed understanding of the complete system.
Equipment: Fan Model Numbers FANTECH FKDI4 and FANTECH FKD16,
PROVIDE WITH NORMALLY CLOSED, POWER OPEN, rzoV, MOTOR OPERATED DAMPER. 2. PROVTDE
WITH SPEED CONTROLLER. 3. PROVIDE WITH LINE VOLTAGE THERMOSTAT. 4. PROVIDE W|TH 30
SECOND TIME DELAY RELAY INTERLOCKED WITH MOTOR OPERATED DAMPER. 5. INTERLOCK
OPERATION WITH ASSOCIATED EXHAUST FAN. 6. PROVIDE WITH 3o"X3oil PLEATED FILTER. 7.
PROVIDE WITH tzt'X39rr BLACK OPS CARBON FILTER. 8. PROVIDE W|TH r4'rX48'r BLACK OpS CARBON
FILTER. Refer to noise study prepared by Creen Bush Group for specifics on equipment functions and
placement.
-HEPA Pleated Filter: High-Efficiency Particulate Air filter, is a type of air filter. lt works by forcing air
through a fine mesh that traps unwanted particles such as pollen, insects, pet dander, etc.
Equipment:3ox3o" pleated filter. Refer to noise study prepared by Creen
Bush Croup for specifics on equipment functions and placement.
4
Odor Mitigation
Response Process
Our goal is to have zero odor detected outside of our building. lf odor is detected outside of the
building by staff or non-staff, we have the following procedures in place.
1. Log odor observation depending on who detects the smell, log accordingly:
a. Staff(see Form t)
b. Non-staff(see Form z)
2. Change out carbon filters immediately.
3. Monitor smell through the day to detect if the new carbon filters have eliminated the smell.
4. lf the problem is still not resolved after t day we will minimize the amount of time the
exterior fans are on, creating less air pushed out of the building.
5. The next step will be to install additional filtration lines and exhaust ports to better disperse
the air.
5
Form t
Location Description of Odor Wind Direction/Speed Temp, Describe activities at this time Actions takenDatg Time Filed by
I
Date Time Filed by Location Descri ion of Odor Wind Direction/Speed Tem Describe activities at this time Actions taken
6
Form z
Observation Document Templet
Date of Observation:Time of Observation:AM PM (Circle)
Name of person who took the report of the observation: _
Odor Observation Description:
Wind Speed_Wind Direction: _Temp.: _ Sky Conditions: _Humidity:_
Other detectable odors? lf yes, smell and potential source:
Select Odor Observation Source:
E Regulatory Agency: List Officers ID#:
! Other:
N CONTACT INFO:
Describe geographic location of the observation (property line location, GPS coordinates,
approximate distance from source). Use the property map in coniecture with this form.
List activities that were happening inside of the facility at the time of the observation:
Walk around the operation and assess odor at the time of observationz Describe findings
Was an odor source identified? lf yes, what actions were taken to mitigate the odor and what wos the
source of the odor
7
Based on the findings of the investigation, are changes required to the current odor mitigation plan
and/or additional controls needed? lf yes, describe actions ond a project timeline of completion
Follow-up with observation source:
n Yes: List date and method
! No: List reason
SignatureandDateofpersoncompIetingreportDATE-
Name of person completing report
8
Additional lnformation
1. Scaled site map showing the location of the buildings relative to the property line. As shown in the
picture below, the outline of the property is depicted in yellow, the buildings are the grey rectangles.
2. Distance from building exhaust points to residential neighbor across Coyle Road.
EF -4 I EF -3 approximate dista nce: 670'
EF-U EF -2 a pproximate d ista nce 530'
2.Locations of Mechanbal
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3. Each building has a foot print of 5,000 sq ft. The building dimensions are 5O'x100'x14'.
The interior air space volume for each building is approximately 80,000 cubic feet. This would account
for the extra air volume in the peaks of the building,
4. Exhaust Ventilation Rate
EQUIPMENT TAG MAKE MOOEL VENTII.ATION
RATE (CFM)
AVAITABLE
srAnc ("wc)
WATTS VOLTAGE PHASE WEIGHT
(LBS)
NOTES
EF-1 FANTECH FKD14 1,400 0.9 474 120 1 50 L,2,3,4,7
EF-2 FANTECH FKD15 1,800 1.0 7t4 120 1 50 L,2,3,4,8
EF.3 FANTECH FKD14 1,400 0.9 474 120 L 50 L,2,3.4.7
EF.4 TANTECH FKD14 1,400 0.9 474 120 1 50 L,2,3.4.7
5. The Figure Labeled "Figure 2. Approximate Locations of Mechanical Equipment" shows on a site plan
the appropriate placement of the equipment. The figure directly below labeled "Fan Schedule" indicated
what equipment should be placed at each location and the equipment specifications, such as the make,
model, ventilation rate (CFM), ect.
Fan sizes:
EF-1 FANTECH FKD14: 14" diameter (exhaust fan)
EF-2 FANTECH FKD16: 15" diameter (exhaust fan)
EF-3 FANTECH FKD14: 14" diameter (exhaust fan)
EF-4 FANTECH FKD14: 14" diameter (exhaust fan)
SF-1 FANTECH FKD14: 14" diameter (intake Fan)
SF-2 FANTECH FKD16: 15" diameter (intake Fan)
SF-3 FANTECH FKD14: 14" diameter (intake Fan)
SF-4 FANTECH FKD14: 14" diameter (intake Fan)
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2.Locations of Mechanical
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6. The exhaust vent diameter for Building 1; equipment tag EF-1 is 14" in diameter. The diameter for
Equipment Tag EF-2 is 15" in diameter. For Building 2; both equipment tag EF-3 and EF-4 the exhaust
vent diameter is 14". Note: each building has two exhausts due to the set up inside of the building
accommodating both the budding of the plants and the vegetative state of the plants.
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7. Make and Model of GAC Cannister filters
(lnline)
HGC74672O - Black Ops Carbon Filter 14 in x 48 in 2500 CFM
HGC746774 - Black Ops Carbon Filter 12 in x 39 in 1700 CFM
(Standalone in Warehouse)
There will be two stand alone Can-Lite 8" x 40" (sku: 358592) placed inside the warehouse.
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