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Table 1 Collected mass, extraction recovery, and chemical compositions in size-fractionated ENCF-1 and −4 PM

From: Cardiopulmonary toxicity of peat wildfire particulate matter and the predictive utility of precision cut lung slices

   Collected mass (mg/day) Recovery (%) Ionic components (μg/g) Carbon species Endotoxin (EU/g)
     Ca2+ Mg2+ K+ NH4+ NO3 SO42− Total/PM Organic Elemental  
           (%) (μg/g) (μg/g)  
ENCF-1 Coarse 7.8 90 6,162 4,420 4,212 2,983 84,277 29,392 22 217,300 2,300 1,722
Fine 12.4 93 873 647 2,142 62,648 5,290 225,037 26 254,100 1,650 348
  Ultrafine 3.5 57 2,252 208 2,348 57,045 3,147 187,468 33 325,020 1,500 216
ENCF-4 Coarse 3.6 77 6,117 4,035 5,233 5,403 99,200 36,322 21 210,200 2,650 1,063
Fine 7.5 101 55 243 1,637 125,133 3,107 564,662 16 155,400 1,000 264
  Ultrafine 1.9 64 0 127 2,010 114,733 1,160 498,458 9 92,340 780 168