Oak processionary experiment with bird houses for the great tit has been carried out since 2016. It has been observed that the great tit likes to eat the young, not yet hairy caterpillars in the month of April. In serious cases of contamination, the use of relatively mild chemical pest killers has been allowed by local authorities. Because chemicals may be harmful to other insects, an alternative is the use of vacuuming equipment to remove the caterpillars, followed by incinerating the caught specimens. Oak processionary The oak processionary "(Thaumetopoea processionea)" is a moth whose caterpillars can be found in oak forests. They
Health Hazard Evaluation Program employees are sick and the cause is unknown or the number of illnesses or injuries is higher than expected in a group of employees. Requests should also be made when employees are exposed to a new hazard or a hazard unregulated by OSHA or when employees are experiencing ill health when their exposure to an agent is below the occupational exposure limits. If multiple hazardous agents or conditions are present in the workplace, an HHE request can be beneficial. Common hazards evaluated include chemicals, particulates, noise, radiation, biological agents, ergonomics, heat stress, and occupational stress. An HHE can be requested