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organic compound

Measurements of indoor air quality and comparison with ambient air. A study on 15 homes in Northern Italy.

A survey was carried out on 15 homes in Northern Italy to evaluate the occurrence of 35 selected volatile organic compounds and of total volatile organics in indoor air and in ambient (outdoor) air. Respirable suspended particulates and venti

Tests of air quality in three London (Ontario) homes.

Tests were performed in 3 homes for 1) carbon monoxide, 2) nitrogen dioxide, 3) nitric oxide, 4) total hydrocarbons and 5) formaldehyde. Total particulate matter, by a numerical counting method, was also measured in Homes 1 and 2.


Indoor air pollution in the Netherlands.

Reports results of studies of concentrations of carbon monoxide, nitrogen dioxide, respirable suspended particulate matter and volatile hydrocarbons in houses in the Netherlands. Carbon monoxide and nitrogen dioxide were studied in about 300 homes in Arnhem and Enschede in October-December 1980. Respirable suspended particulate matter, nitrogen dioxide and volatile hydrocarbons were measured in 175 houses in Ede in winter 1981-82. Indoor air pollution was often much higher than the common outdoor levels. In several houses existing or proposed standards for ambient air were exceeded.

Air pollution in Dutch homes. An exploratory study in environmental epidemiology.

Carbon monoxide and nitrogen dioxide were monitored in 12 homes on a real-time basis to determine their transient concentrations, their dispersion through the homes and day-to-day variation in pollutant levels. Kitchen ventilation was determined using sulphur hexafluoride tracer gas, and use of unvented gas appliances was monitored with thermo couples. A week-long measurement programme was undertaken in a wide range of homes to determine the distribution of carbon monoxide, nitrogen dioxide, particulates and organic compounds.

Organic contaminants: a bibiliography.

Contains references and abstracts on laboratory techniques for analyzing formaldehyde, methodologies for identifying and characterizing a wide variety of organic contaminants and selected field studies of organic contaminants inindoor air.

Sources and concentrations of organic compounds in indoor environments.

Discusses the sources and concentrations of organic compounds in indoor environments. Describes work done by the Lawrence Berkeley Laboratory in the USA on formaldehyde and poor air quality in offices.

Indoor air pollution.

Discusses the nature of the problem of indoor air pollution, limitations in the authority of established health agencies in the US to control the problem, research needs and some control options. Indoor pollutants of current concern include radon, tobacco smoke, emissions from unvented indoor combustion appliances, aeropathogens, formaldehyde and pesticides.

Indoor Air '84: a great deal of attention to 'sick buildings'. Indoor Air '84: veel aandacht voor 'sick buildings'.

Summarises the issues discussed at the Indoor Air '84 conference in Stockholm. The main topics include sick buildings, organic compounds, formaldehyde, combustion products, and radon.

Use of passive samplers for the determination of gaseous organic substances in indoor air at low concentration levels.

The design and calibration of a passive sampler operating according to the diffusion principle and its application to the analysis of indoor air are described. Taking aliphatic and aromatic hydrocarbons as representative pollutants, it is demonstrated that at constant concentration, the amount of substance trapped by the sampler is a linear function of the time of exposure. An equation is given relating this amount of substance to the mean pollutant concentration. The detection limit is of an order of 300 microgram/(m3.h).

Interlaboratory comparison of passive samplers for organic vapours with respect to their applicability to indoor air pollution monitoring: a pilot study.

This document reports on analytical work carried out in cooperation among three European laboratories. The purpose of this work was to carry out a first assessment on the performances of passive samplers for organic vapours when used in indoor air pollution monitoring and simultaneously to evaluate theinterlaboratory agreement on low concentration analysis of a variety of volatile organic compounds. Two types of passive samplers were thus exposed in the different facilities and replicate specimens were analysed at each of the three laboratories.