Kelsy J. Caplinger, M.D. • Gene L.
France, M.D • Jim M. Ingram, M.D.
Deanna N. Ruddell, M.D.
• Karl V. Sitz, M.D. • Blake G. Scheer, M.D.
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Level Meanings
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The following definitions should allow comparison between sites across the country. They are based on ecological measurements, not health effects. However, assuming dose/response relationships are the same across the country, the definitions are probably more appropriate than a definition based on local numbers. This does mean that, for some stations, some categories will never be high.
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| Weeds (Grains per Cubic Meter) |
>0-10
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10-50 | 50-500 | >500 |
| Grasses (Grains per Cubic Meter) |
>0-5
|
5-20 | 20-200 | >200 |
| Trees (Grains per Cubic Meter) |
>0-15
|
15-90 | 90-1500 | >1500 |
| Result | Low | Moderate | High | Very High |
| Allergy sufferers who are allergic to these pollens or molds may experience symptoms of hay fever or asthma. | Only individuals extremely sensitive to these pollens and molds will experience symptoms. | Many individuals sensitive to these pollens and molds will experience symptoms. | Most individuals with any sensitivity to these pollens and molds will experience symptoms. | Almost all individuals with any sensitivity at all to these pollens and molds will experience symptoms. Extremely sensitive people could have severe symptoms. |