Skip to main content
. 2006 Mar 31;3(1):48–66. doi: 10.3390/ijerph2006030007

Figure 9:

Figure 9:

Examples of DPM collected in the vicinity of an area truck stop in El Paso, TX, USA. (a) Dense, BC-like aggregate of carbon spherules. Note diffuse diffraction rings in SAED pattern insert. (b) Complex, branched clusters of carbon spherules. SAED pattern insert shows crystalline diffraction rings [36].