An official website of the United States government
Here's how you know
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.
MRM chromatogram of Benzo[a]pyrene (BaP) and Benzo[a]pyrene-d12 (BaP-d12) (both shown as green peak) (A) without further dilution (B) with further dilution 10x.