Figure 2.
Detection frequency of insecticides in 98 rooms (from 49 apartments) based on floor wipe samples. Only those apartments that were sampled both at 0 and 12 months were included.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.