evidence: Aluminum levels in urban and industrial areas may be higher and can range from 0.4 to 8.0 ìg/m3. [...] - Buffered aspirin may contain 10–20 mg of aluminum per tablet - Vaccines may contain small amounts of aluminum compounds, no greater than 0.85 mg/dose. [...] Recommendations and regulations are also updated periodically as more information becomes available. For the most current information, check with the federal agency or organization that provides it. Some regulations and recommendations for aluminum include the following: