The HRRBM significantly decreased the health care costs of individuals and significantly improved knowledge, attitudes, and practices. The percentage of physical symptoms was reduced and the use of PPE increased after intervention in the intervention group compared with the control group. Some scavengers working in open dump sites may face the risk of exposure to solid waste. Therefore, PPE and personal hygiene are important in reducing health risks among the scavengers. Results indicate that the health risk behaviors of smoking, alcohol consumption, getting food from the dump site and cooking it at the dump site, and inadequate cooking may endanger the health of the scavengers. In conclusion, it is important that scavengers exposed to solid waste at dump sites follow safety recommendations concerning routine work at these sites to help reduce health risks. It is also important that site coordinators distribute health and safety material and monitor work safety practices. More research on this topic must be conducted, especially regarding health care.