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. 2012 Nov 23;9:45. doi: 10.1186/1743-8977-9-45

Table 1.

Chemical characteristics of WSPs (PM0.1–2.5-fraction) and reference particles (traffic and wood) used for in vitro experiments

 
  
  
 Wood(medium-temp) PM0.1–2.5
  Traffic Wood(high-temp) Mixed smoke Start-up Burn-out
Sum of 18 PAHs (ng/mg)
 48
 10008
 2010
 2353
 914
Sum of elements (ng/mg) 17423 a) 32327 b) 10 4 11

a) ICP-MS (Cassee et al., 2003).

b) ICP-MS (Cassee et al., unpublished data).