According to the EPA, what is the average daily emission limit for lead air concentration measured quarterly?

The average daily emission limit for lead air concentration, as established by the EPA, is set at 1.5 micrograms per cubic meter (ug/m^3) when measured quarterly. This limit aligns with federal regulations aimed at protecting public health, particularly in vulnerable populations, such as children, who are at increased risk of lead exposure. The protocols and standards set by the EPA are crucial for monitoring air quality and ensuring that emissions remain within safe levels to mitigate the risk of lead-related health issues.

Understanding the significance of these limits is important for risk assessors, as they guide remediation efforts and regulatory compliance in environments where lead may be present. This awareness also emphasizes the importance of continual monitoring to ensure that lead air concentrations do not exceed established guidelines, thus securing a healthier environment for the community.