Figure 7.
Slopes of the regression lines for PM10 measurement obtained by test sensors (61 samples) and reference instrument: (A) module; (B) standalone type sensor
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.