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Effect of a local source on ragweed pollen concentrations from background sources

✍ Scribed by Gilbert S. Raynor; Eugene C. Ogden; Janet V. Hayes


Book ID
115953605
Publisher
Elsevier Science
Year
1968
Weight
621 KB
Volume
41
Category
Article
ISSN
0021-8707

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The effect of a local source on the comp
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Bulk precipitation samples were collected from ten sites in south-central Maine during the period 18 June to 30 September, 1974. Data from the chemical analyses of the precipitation were used to determine regional deposition patterns of the ionic constituents. Acidic pH values ranging from 3.8 to 5.