Study of radioactive contamination in silts and aerosols at Aldama City, Mexico, due to the operation of a yellow-cake processing plant

Figures & data

Figure 1. Location of PM₁₀ collectors in URAMEX (P1), City Hall (P2), and the private home (P3) and silts samples (numbers) in the city of Aldama.

Figure 2. Comparison of the concentration of PM₁₀ in the air at the three sample locations with the maximum allowed value in the Mexican Official Standard.

Figure 3. Concentration of ²³²Th in filters.

Figure 4. Concentration of ²³⁸U in filters.

Figure 5. Concentration of ⁷Be in filters.

Figure 6. Specific activity of ¹³⁷Cs in the atmosphere in Chihuahua since 1957.

Figure 7. Concentration of ¹³⁷Cs in filters.

Figure 8. Concentration of ⁴⁰K in filters.

Figure 9. Dispersion of uranium in the grounds of the URAMEX plant at present.

Figure 10. Dispersion of natural uranium in the city of Aldama.

Figure 11. Surface graphic of the dispersion of natural uranium in the city of Aldama.