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Table 2 Predicted environmental concentrations (PECs) in surface water and sediment based on measured values (reported in literature) and estimated values (extrapolated from maximum runoff concentrations (Table 1)), see Supporting information, Table S5

From: Environmental risks of car tire microplastic particles and other road runoff pollutants

Pollutantc Surface water (μg/l) measured / estimated Sediment (μg/gdw) measured / estimated Reference (measured value)
TWP 8.00 (6.00–10) / 120 552 (5.98a-1900a) / 1200b [41, 78, 79]
BaP 0.0001 / 0.0083 0.073 / 0.0094 [78]
BPA 0.01 / 0.0055 0.001 / 0.0024 [78]
DEHP 0.98 / 0.023 10.30 / 0.98 [78]
DIDP 0.001 / 0.086 1.97 / 1.40 [78]
Fl. 0.001 / 0.037 0.17 / 0.024 [78]
HMMM 0.07 / 0.039 0.001 / 0.00032 [78]
MBT 0.010 / 0.0011 0.002 / 0.010 [78]
NP 0.0010 / 0.0036 0.021 / 0.031 [78]
OP 0.01 / 0.002 0.001 / 0.015 [78]
TT 0.010 / 0.023 0.0058 / 0.011 [78]
  1. aConcentration in sediment reported in literature in ww and here converted to dw using a factor of 2.6
  2. bNot an estimated value, but modelled by Unice et al. [37]
  3. cPollutants: BaP Benzo(a) pyrene, BPA Bisphenol A, DEHP Di (2-ethylhexyl) phthalate, DIDP Diisodecyl phthalate, Fl. Fluoranthene, HMMM Hexa (methoxymethyl) melamine, MBT Mercaptobenzothiazole, MP Microplastics, NP Nonylphenol, OP 4-tert-octylphenol, TWP Tire Wear Particles, TT Tolyltriazole