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  • STRATEGIC SOLUTIONS
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  • ABOUT US
  • ODOR SCIENCES
  • INDUSTRIAL HYGIENE
  • CONTACT
RK & Associates Inc

ODOR SCIENCES & control 

Overview

The air quality staff at RK & Associates, Inc. (RKA) is experienced in assessing, measuring, and developing odor control strategies for a variety of  odor emitting sources. Solutions to odor problems lie in the comprehensive analysis of odor complaints and odor sources. At RKA we employ a  stepwise investigatory approach that addresses both the practical and legal ramifications of an odor problem:
  • Identify the likely sources of the odor and  the odoriferous compounds they may be  producing.
  • Develop a well-coordinated sampling and analysis scheme.
  • Collect field samples at the odor sources and at the site of the complaint.
  • Evaluate the odor notes and intensity of  the field samples using sensory apparatus and odor panels.
  • Identify the odoriferous components of the samples using analytical instrumentation. This information can also be used for risk
    assessment associated with the odor emissions.
  • Implement odor dispersion models to estimate odor intensity in the impacted community.
  • Evaluate existing odor control measures in terms of reducing odor emissions.
  • Recommend additional odor control measures to reduce odor complaints and/or satisfy the local regulatory requirements.
  • Design/procure/install odor control measures.

Services

Odor science studies at RKA include the use of a trained odor panel and an Olfactometer similar to the one pictured (right). Each panelist "sniffs" each sample to measure the odor threshold. A Butanol Wheel is used to determine odor intensity.
  • Fundamental sensory properties: threshold, intensity, character and quality
  • Odor abatement measures
  • Air pollutants causing odors
  • Headspace Analysis
  • Malodor counteractants
  • Field study odor management
  • Odor control system design
  • Odor in water analysis
  • Odor control efficiency
  • Off-odor in products
  • Odor fate and transport
  • Ambient odor levels
  • Modeling
Picture
Picture

Typical Programs

  • Odor control for a waste water treatment plant
  • Development of a reference document for odors from petroleum refineries
  • Odor sampling at hazardous waste facilities
  • Downwind impact for stationary odor sources
  • Community surveys for odor complaints
  • Odor complaints in sick buildings
  • Determination of ambient odor levels
  • Wastewater treatment plant odor emissions
  • Assignment of priorities to composting facility odor sources
  • Investigation of food product off-odor
  • Testing odor control devices
  • Fragrance system evaluation
  • Odor retention in cotton and synthetic fabrics
  • Investigation of paper product off-odor
  • Odor control program for a chemical manufacturing plant
  • Odor evaluation in rendering plants
  • Malodorous components of human feces
  • Detection and characterization of chemical signatures of humans
  • Measurement of oral odors
  • Odor emissions from a municipal landfill
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