Canada Carbon Completes Hydrogeology and Sound Impact Study on Its Miller Project
February 28 2018 - 10:11AM
Canada Carbon (the “Company”)
(TSX-V:CCB) (OTC:BRUZF) (FF:U7N1) is pleased to announce the
completion of its final hydrogeological study for the marble quarry
project located in Grenville-sur-la-Rouge, Quebec. The report was
prepared by BluMetric and is titled: “Étude hydrogéologique, projet
carrière de marbre Miller, Grenville-sur-la-Rouge (Québec)”.
The report can be found at:
https://www.canadacarbon.com/docs/Final_Hydrogeological_Report_Quarry.pdf.
Canada Carbon mandated BluMetric to complete the
final hydrogeological report to be part of the documentation needed
for its certificate of authorisation request to the Ministry of
Sustainable Development, Environment and Fight against Climate
Change (“MDDELCC”). This final report meets all of the
requirements of the “Quarry and Sand Pit By-Laws” of the MDDELCC
and follows the preliminary report which was completed in
2016.
The Company’s last drill program in the Spring
of 2017 resulted in the confirmation of the quarry location. With
the final parameters of the quarry available, BluMetric was able to
complete the necessary hydrogeological work between June and
December 2017. The final hydrogeological report for the
Miller graphite mine will be completed at a later date when the
final pit parameters will be known.
The work completed by BluMetric includes:
analysis of the existing databases; drill hole inspection; pumping
tests on two distinct hydrogeological drill holes, installation of
two sand point wells, water level measurement in drill holes; slug
and pumping tests; sampling for water quality of underground
waters; and the evaluation of the quarry’s dewatering impact on
water users less than 1 km from the proposed pit. The report
describes the complete methodology that was followed.
The key conclusions from the report are as
follows:
- The underground water flows and hydraulic gradient show a flow
from the north toward the south and south-east. This means
that the water on the Miller Project is moving away from McGillivry
Lake area and the closest neighbor located on Scotch Road;
- No hydraulic link was established between the surface water and
the underground waters. This indicates that the pumping of
underground water will not affect the surface water level around
the quarry;
- The interception of surface water and the dewatering of the
marble quarry will have no impact on the water wells that provide
water to the users located along Scotch Road. The range of
influence towards north-east is 150 m while the closest well is 720
m away from the future quarry. The water quality of the wells
will not be affected;
- The calculated hydraulic conductivity varies between 1x10-9 and
7x10-7 meter/second. These values are representative of an
aquifer that is half-permeable to impermeable and of mediocre
quality. Using the hydraulic gradient, the effective porosity
and the hydraulic conductivity, it can be determined that there is
a mean horizontal flow of 4 to 5 meters per year;
- Pumping tests defined a transmissivity during pumping that
varies between 0.07 and 0.87 m2/day, with a mean value of 0.163
m2/day and a median of 0.120 m2/day. As a point of reference,
transmissivity of 1 m2/day is classified a very low. No values
higher than 1 m2/day were observed at the Miller Project;
- The low transmissivity of the ground means that the dewatering
of the quarry area won’t have an impact on neighboring water
nappes;
- The aquifer is classified as class III; and
- Analysis of the ground water shows that no elements in the
groundwater geochemistry exceed the criterion requested by the
MDDELCC. Analysis of one sand point well indicated anomalous
zinc content and higher than normal metal levels for some other
elements. That anomaly is the result of a faulty well and the
resulting degradation of the galvanized steel inside of the well.
An anomaly in hydrocarbon was also found in the water of that well
but no source or evidence of contamination was found.
Canada Carbon Executive Chairman and Chief
Executive Officer Mr. R. Bruce Duncan remarked, “We are happy to
provide this definitive report which confirms that the marble
quarry is environmentally safe for water quantity and quality in
neighboring water wells. Furthermore, the low connectivity between
groundwater and surface water provides us with further comfort that
our impact on surface biological elements around the project will
also be very low given the low volumes of water that need to be
managed. We are pleased to be able to share this report with all
interested parties.”
New Sound Simulations for the Miller
Project
In an effort to ensure that the infrastructure
of the Miller Project has the lowest sound impact possible for the
residents of Grenville-sur-la-Rouge, the Company requested new
simulations of sound impact for different parameters. More
specifically, the Company requested that Vinacoustik inc., based in
Montreal, model the impact of a 5 m and a 15 m acoustic wall on the
Miller site.
In our initial sound study
(https://www.canadacarbon.com/docs/CCB-SON-Etude-Accoustique-PRELIMINAIRE-2.pdf)
we determined that by constructing a 5 m acoustic wall next to the
graphite pits on the Miller site, the Company’s sound impact was
under the required limits of the MDDELCC of 45 decibels during the
day and 40 decibels at night. The new model indicates that when
only the marble quarry is in operation, the sound level doesn’t
exceed 29.9 decibels for the two nearest neighbours, which is the
equivalent of the sound level of a quiet rural area. When the
graphite pits are integrated in the model, the sound level reaches
a maximum of 43.2 decibels during the day when using a 5 m acoustic
wall and is reduced to 40.5 decibels when using a 15 m acoustic
wall. The graphite pits will not operate at night.
Furthermore, the excavation depth of the graphite pits is not
integrated in the sound study. As the pit goes deeper this will
significantly reduce the sound impact of the operations. The
Company is still investigating options to further reduce noise
including the modification of the geometry of the acoustic wall and
the selection of quieter equipment or modification of
processes. The new model can be found at:
https://www.canadacarbon.com/docs/CCB-SON-Nouveau-Modele.pdf while
the technical details are to be found in the initial report.
It is important to note that sound modelling is required by the
MDDELCC if a quarry is located less than 600 m away from any
housing. Miller’s closest neighbour is located 720 m
away.
While conducting the second sound study,
Vinacoustik inc. identified a mistake in its initial report. In
table 3, the sound level at R1 and R2 were reported as 33.4
decibels and 39.0 decibels however the actual numbers were 28.6
decibels and 31.5 decibels, respectively. A new version of
the report correcting the error is now replacing the older version
on the website.
QUALIFIED PERSON
Steven Lauzier, P.Geo. OGQ1430, a Qualified Person as defined by
National Instrument 43-101 has reviewed and approved the technical
content of this news release.
CANADA CARBON INC. “R. Bruce Duncan”CEO and
Director
Contact InformationE-mail
inquiries: info@canadacarbon.comP: (604) 685-6375F: (604)
909-1163www.canadacarbon.com
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FORWARD LOOKING STATEMENTS:
This news release contains forward-looking statements, which relate
to future events or future performance and reflect management’s
current expectations and assumptions. Such forward-looking
statements reflect management’s current beliefs and are based on
assumptions made by and information currently available to the
Company. Investors are cautioned that these forward looking
statements are neither promises nor guarantees, and are subject to
risks and uncertainties that may cause future results to differ
materially from those expected. These forward-looking statements
are made as of the date hereof and, except as required under
applicable securities legislation, the Company does not assume any
obligation to update or revise them to reflect new events or
circumstances. All of the forward-looking statements made in this
press release are qualified by these cautionary statements and by
those made in our filings with SEDAR in Canada (available at
www.sedar.com).
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