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A=COM o As applicable, measures should be taken to prevent spread, such as but not limited to, confirming equipment and materials are not placed on affected areas, and equipment is decontaminated after use and before removal from site. • When work shall be conducted in areas that cannot or may not be cleared of foliage, personal precautions and protective measures shall be prescribed. • Mosquitoes breed in stagnant water and typically only travel a quarter mile (less than half a kilometer)from their breeding site. Whenever possible, stagnant water should be drained to eliminate breeding areas. Managers and client site managers should be contacted to determine whether water can be drained and the most appropriate method for draining containers, containment areas, and other objects of standing water. • If water cannot be drained, products similar to Mosquito Dunks®can be placed in the water to control mosquitoes. Once wet, the Mosquito Dunks®kill the immature, aquatic stage of the mosquito.The active ingredient is a beneficial organism that is lethal to mosquito larvae, but harmless to fish, humans, and other animals. Mosquito Dunks®provide long-term protection for 30 days or more. 4.7.4 Ticks • Ticks can be encountered when walking in tall grass or shrubs. They crawl up clothing searching for exposed skin where they will attach themselves.The most serious concern is a possibility of contracting a disease. • Data from the CDC indicates that tick-borne diseases have become increasingly prevalent.At the same time, tick repellents have become both safe and effective so it is possible to prevent the vast majority of bites and,therefore, most related illnesses. The use of permethrin is strongly advised. • The most common and severe tick-borne illnesses in the U.S. are Lyme disease, Ehrlichiosis, and Rocky Mountain spotted fever.A summary table listing CDC informational resources for these diseases is provided in S3AM-313-ATT2 Ticks along with a listing of CDC information resources and maps showing the distribution of common tick-borne diseases in the U.S. • When working in areas where ticks may occur, it is recommended that clothes are turned inside out and shaken at the end of day; do not wear the same clothes two days in a row. • Employees should conduct a thorough full body tick check upon exiting the field. Shower within two hours of coming indoors to help wash away loose ticks. Clothes should be laundered in hot water or tumble dry clothes in a dryer on high heat for 10 minutes to kill ticks. • To remove ticks that are embedded in skin, utilize a tick key.Alternatively use tweezers or fingers to carefully grasp the tick as close to the skin as possible and pull slowly upward, avoiding twisting or crushing the tick. Do not try to burn or smother the tick. Cleanse the bite area with soap and water, alcohol, or household antiseptic. Note the date and location of the bite and save the tick in a secure container such as an empty pill vial or film canister.A bit of moistened paper towel placed inside the container will keep ticks from drying out. Follow AECOM incident reporting guidelines to report the tick bite within 4 hours and notify the Manager or Supervisor. • Familiarize yourself with the characteristic bulls-eye pattern of Lyme disease infection surrounding the bite. If you notice this type of pattern or rash resulting from a tick bite, immediately report the issue to your supervisor and follow the incident reporting requirements for your business group. • If you experience symptoms such as fever, headache,fatigue, and a skin rash, you should immediately visit a medical practitioner as Lyme disease is treated easily with antibiotics in the early stages, but can spread to the heart,joints, and nervous system if left untreated. 4.7.5 Chiggers Wildlife,Plants&Insects(S3AM-313-PR1) Revision 6 July 31,2019 PRINTED COPIES ARE UNCONTROLLED. CONTROLLED COPY IS AVAILABLE ON COMPANY INTRANET. Page 5 of 10