Socioenginyeria's Technical Director (Dr. José
Cid Montañés) attended the Odor School®
at the St. Croix Sensory Evaluation & Training
Center in july 2004 and obtained the Odorous Emissions
Evaluation Field Certification for Measuring Ambient
Odours (Odour Inspector). His odour detection threshold
(60 ppbv n-butanol) was evaluated with the dynamic
triangular forced-choice ascending concentration series
method using the AC'SCENT® laboratory olfactometer
and following the most recent European guidelines
(UNE:EN 13725) (left picture below). His individual
sensitivity (average of 9 in a range of 3 to 13) was
also assessed with the Individual Odour Sensitivity
Test Protocol developed by St. Croix. Sensory Inc.
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The field olfactometer Nasal Ranger® (right picture
above) has been recently introduced in Catalonia (Spain)
as a new tool in several projects dealing with the
social and environmental impact of bad odours stemming
from waste treatment/management facilities:
Coll Cardús Landfill (Vacarisses, Barcelona):
In this study a combined approach consisting of
odour diaries (affected neighbours), chemical VOC
analysis and ambient odour measurements with the
Nasal Ranger™ (technician on the left and affected
neighbour on the right below) allowed the setting
of acceptable odour impact levels and frequencies.
Bufalvent Integrated Waste Center (Manresa,
Barcelona): In this study a combination of odour
diaries filled by affected residents (previously
tested for their individual sensitivity; left picture
below) and ambient odour measurements (D/T or OU/m3)
with the Nasal Ranger™ (right picture below) following
the most likely odour plume (on-site, fenceline
and at predetermined off-site distances) are being
used.
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