Host—Cidade dos Meninos residents and workers

Agent/vehicle—Compounds related to organochloride production (mostly HCH and DDT isomers or by-products)

Physical Environment— Cidade dos Meninos, Duque de Caxias, Rio de Janeiro

Social Environment

Before the event

Offering general information and training about the Institute’s activities to the public close to the Institute

All chemicals stay under rigorous surveillance

Installation of chemical institutes in appropriate locations to minimize risk for neighbors, especially those in early ages and vulnerable conditions

Community participation in processes for new facilities positioning. Zoning rules for protecting places inhabited by vulnerable communities.

During the Malaria Institute Shutdown (1961)

Instructions to avoid the area next to the Institute and not to drink nor eat local products to the Cidade dos Meninos residents

Correct treatment (deposition in a safe place, incineration, biochemical or redox process) to chemical compound leftovers

Surveillance to prevent further leakage

Medical, social, and psychological support and temporary homes for the affected residents.

After the event

Relocation of the Residents within the affected area to interrupt every sort of exposure

Remediation of the affected area to eliminate all present organochlorines. The affected perimeter stays isolated until the area’s safeness is confirmed

Cleansing of the affected area and demolition of the remaining buildings

New homes and guaranteed health accompaniment to the affected population Prohibition or restriction to dangerous chemical components and laws determining specific zones for monitoring and positioning of dangerous activities.