ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] SO2 concentration occasionally exceeds 200 parts per hundred million by volume1 (1 p.p.h.m. = 28.6 jig m~3) in industrial areas. In rural areas concentration is usually 1-10 p.p.h.m. but higher concentrations occur during short periods of fumigation from sources several miles away2. Visible injury ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/239458a0
Permalink