Comment on "Effect of Indirect Sample Preparation Procedures on the Apparent Concentration of Asbestos in Settled Dusts." (comment on article by R.J. Lee, et. al., Environmental Science & Technology, vol. 29, p. 1728, 1995)

Article Abstract:

The new American Society for Testing and Materials (ASTM) Standard Test Method D5755 for Microvacuum Sampling and Indirect Analysis of Dust by Transmission Electron Microscopy for Asbestos Structure Number Concentrations is a useful approach for determining the presence or absence of asbestos. Its prediction of past or potential future airborne exposures is also helpful in ascertaining asbestos presence or absence. With the ASTM protocol, the count method can be examined by laboratories in terms of its usefulness in assessing building contamination and predicting airborne exposures.

Standards, Asbestos dust, ASTM, Asbestos in building, Asbestos building materials

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Undergraduate environmental science report

Article Abstract:

University directors and faculty members met in Aug 1991 to discuss undergraduate environmental science (ES) programs. Participants in a workshop agreed that employers value a solid science background and well-developed communication and problem-solving skills in their employees. The workshop participants also agreed that ES programs should offer both a focused perspective and an interdisciplinary perspective. Graduates of ES programs are qualified to enter a variety of fields, including environmental law, environmental journalism and environmental management.

Evaluation, Universities and colleges, Curricula, College curriculum, Sciences education, Science education, Environmental education

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Black rain in Turkey: possible environmental effects of the Gulf War

Article Abstract:

Rain that fell in Adana, Turkey, on Feb 25, 1991, was black, and rain that fell in Apr 1991 was still oily as a result of the oil-well fires in the area. The fires were set during the Persian Gulf War, and the climate in Turkey has changed since the war. The area had 25% less sunshine than normal between Jun 1991 and Sep 1991. The oil-well fires appear to have caused a low-pressure area in the region that is affecting the movement of atmospheric air.

Turkey, Rain and rainfall, Rain, Persian Gulf War, 1991

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