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Profile: 431 - Heavy goods vehicle tyre profile

Code431
NameHeavy goods vehicle tyre profile
Source categoriestraffic, road, tyre wear, all sources
CountrySouth Africa
SiteJohannesburg
Test year2018
TypeO
Latitude-26.19286
Longitude28.030444
ReferenceO’Loughlin et al., 2023, 10.1016/j.envint.2023.108047
Notes 
Sampling MethodsSamples of tyre tread and sidewall were collected from car and HGVs. Tyre tread samples were collected as tyre vent spews, which are the small hair-like protrusions found on the tyre surface as air escapes the mould during tyre moulding. Vent spews were removed from the tyre tread of new, undriven tyres using a clean ceramic blade and stored prior to analysis. Tyre sidewall samples were also vent spews, but taken from the side of the tyre surface.
Uncertainty NotesAn uncertainty analysis for the ICP-MS measurement, including the digestion method, was performed by the National Physical Laboratory.

Data

  Relative Mass Uncertainty Analytical Method Uncertainty Method
292 - Aluminum 0.000457 0.00005758 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
296 - Antimony 0.00000179 0.000000226 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
298 - Arsenic 0.00000079 0.0000001 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
300 - Barium 0.0000219 0.00000276 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
328 - Cadmium 0.00000039 0.000000049 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
347 - Chromium 0 0 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
379 - Cobalt 0.0000127 0.0000016 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
380 - Copper 0.0000395 0.00000498 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
488 - Iron 0.000887 0.000112 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
519 - Lanthanum 0.00000128 0.00000016 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
520 - Lead 0.0000176 0.00000222 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
525 - Magnesium 0.000431 0.0000543 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
526 - Manganese 0.0000243 0.00000306 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
586 - Molybdenum 0 0 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
612 - Nickel 0.000018 0.00000227 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
666 - Phosphorus 0 0 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
689 - Rubidium 0.0000023 0.00000029 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
697 - Strontium 0.00000741 0.000000934 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
712 - Thallium 0 0 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
714 - Tin 0.00000412 0.000000519 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
715 - Titanium 0.0000217 0.00000273 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
767 - Vanadium 0.00000166 0.000000209 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
778 - Zinc 0.014132 0.001781 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
1859 - Tungsten 0 0 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval
1860 - Boron 0 0 ICP-MS, inductively coupled plasma mass spectrometry 95% confidence interval