Central Mass Mosquito Control Project (CMMCP) will be conducting aerial mosquito larviciding in the Chelmsford and Billerica area some time the week of April 18 through April 21 2017 via helicopter. This program is performed each year to minimize mosquito activity in the Chelmsford and Billerica area. For questions or concerns please contact the Chelmsford Board of Health Office at 978-250-5241 or Mosquito Control at 508-393-3055 or email CMMCP Executive Director Timothy Deschamps at deschamps@cmmcp.org. See attached document with letter from CMMCP and Map of the area for the mosquito larval control applications.