Simple explanation of ozone (in English and Spanish). Tips on
avoiding unhealthy exposure to ground-level ozone. Color-coded
index to use in planning outdoor activities. (poster, 11 x 17
inches)
Explicación sencilla (en inglés y español)
del ozono. Consejos sobre cómo evitar las exposiciones
insalubres al ozono de nivel del suelo. Índice de clave de
color que se debe usar para planear actividades al aire libre.
(cartel, 11 x 17 pulgadas)
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gi-269.pdf (418k)
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