AIVC - Air Infiltration and Ventilation Centre

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Indoor air quality

Discusses the interrelationship of home ventilation rates, sources of air contaminants, and the relative quality of the indoor air environment, including: what is an unsafe air quality level? The problem in perspective, common household pollutants, home ventilation, identification and testing.

Seek air quality answers.

Reports a one-day seminar addressing 'The character and control of indoor air pollution', involving experts from both the public and private sector. Summarises the problems, the pollutants involved and some possible solutions.

Air quality control - measurements and experiences.

Too high a concentration of certain gases (e.g. water vapour, carbon dioxide, tobacco smoke, alcohol, etc.) in public buildings can damage the health. Even low concentrations can cause discomfort and make the room air seem unpleasant. This paper describes this subjective perception of air qulaity. It is shown that installation of an appropriate sensor can make substantial energy savings.

The relationship between observed pollutant concentrations and building ventilation system design.

The relationship between the observed concentration of air pollutants at points within a building and the characteristics of the ventilation system is examined, and a basic set of analytical expressions showing these relationships is presented. The extension to large and complex systems is considered, and an example of the application of the equations to an actual air quality problem is given.

The impact of building ventilation on indoor gaseous and particulate pollution in office and institutional buildings.

Effectiveness of ventilation as a major means of controlling indoor air quality was evaluated by correlating concentrations of gaseous (CO and CO2) and particulate (total) pollutants with two ventilation parameters. Pollutants are differently af

Status - ventilation models for indoor air quality.

As measurements are essential for performance assessment, models are essential for design. Both empirical and rational models are being developed for predicting the effectiveness of ventilation for acceptable indoor air quality. In this status report, models for contaminant generation rates, and dilution and removal control are introduced through a simple, one-compartment model.

Indoor air, volume 6: evaluations and conclusions for health sciences and technology.

Contains further papers, reports and conference summaries from the 3rd International Conference on Indoor Air Quality and Climate, 1984, as well as afull list of authors and titles of papers printed in this and the previous volumes.

Objective determination of indoor air quality using passive air samplers and bioassays. Final Report.

This report details the development and field testing of a passive sampler system to collect gaseous and particulate contaminants in indoor air and the evaluation of the collected materials for biological effects using a simple bioassay system. The passive sampler-biossay system is a cost-effective objective method for determining indoor air quality.

Quality requirements for the indoor climate. Kvalitetskrav til inneklimaet.

Discusses the current standards regarding indoor climate produced by ASHRAE, ISO and NKB. The parameters effecting thermal comfort and air quality are outlined.

People and indoor air. Mensch und Raumluft.

Compares the guidelines for indoor air quality and minimum ventilation rates outlined in the DIN 1946 and ASHRAE standards. Discusses air quality-controlled ventilation. Outlines the principles and standards governing both natural ventilation and controlled ventilation with heat recovery in residential buildings.

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