Solutions for representative sampling based on:

• the EU standards
• the statistical law of random drawings (Binomial law)
• strong solutions for assessment of the parameters to use
• sampling plan
• analyses of characterisation results

Based on peer-reviewed publications

• Beggio G, Hennebert P. 2022. A novel method to calculate the size of representative waste samples based on particles size. Detritus, 18, 3–11. https://doi.org/10.31025/2611-4135/2022.15187
• Hennebert P, Beggio G. 2021. Sampling and sub-sampling of granular waste: size of a representative sample in terms of number of particles. Detritus 17 – 2021, 1-12. https://doi.org/10.31025/2611-4135/2021.15139
• Hennebert P, Stoffel A-F, Hubner M, Fortmann D, Merdy P, Beggio G. 2022. The inherent variability of some environmental analytical methods hampers the circular economy of materials. Detritus. 17 p. DOI 10.31025/2611-4135/2022.16225. https://digital.detritusjournal.com/articles/the-inherent-variability-of-some-environmental-analytical-methods-hampers-the-circular-economy-of-materials/2497  + Supp info

Based on experience as convenor or WG « Leaching » and WG « Sampling » of the CEN TC 444 Environmental analyses of solid matrices.

For

Simulator or random drawings :

EN

https://fastidious-kleicha-cf190a.netlify.app

FR

https://zingy-rugelach-d5ff55.netlify.app

Let’s discuss if your experimental variability is too high !

Also relevant for plastics:

Hennebert P. 2020. Concentrations of brominated flame retardants in plastics of electrical and electronic equipment, vehicles, construction, textiles and non-food packaging: a review of occurrence and management. Detritus. DOI 10.31025/2611-4135/2020.13997 https://digital.detritusjournal.com/issue/volume-12–september-2020/363

Hennebert P. 2021. Hazardous properties of brominated, phosphorus, chlorinated, nitrogen and mineral flame retardants in plastics which may hinder their recycling. Detritus, 7 – 2021, 49-57. https://doi.org/10.31025/2611-4135/2021.15142

Hennebert P. 2021a. The substitution of regulated brominated flame retardants in plastic products and waste and the declared properties of the substitutes in REACh. Detritus 16 – 2021, 16-25. https://doi.org/10.31025/2611-4135/2021.15122

Hennebert P. 2021b. Hazardous properties of brominated, phosphorus, chlorinated, nitrogen and mineral flame retardants in plastics which may hinder their recycling. Detritus, 7 – 2021, 49-57. https://doi.org/10.31025/2611-4135/2021.15142

Hennebert P. 2022. Hazardous properties of plasticisers that may hinder the recycling of plastics. Detritus, 21-2022, 35–44. https://doi.org/10.31025/2611-4135/2022.17227

Hennebert P. 2023. Hazardous properties of mineral and organo-mineral additives and management of hazardous plastics. Detritus 2023, 23 – 2023, 83-93. https://doi.org/10.31025/2611-4135/2023.17275

Vencovsky, D.; Shapland, i.; Vencovska, J.; Garrett, S.; Webb, S.; Upson, S.; La Vedrine, M.; White, S.; Wakefield L.; Hennebert, P.; Bisson, M.; Biaudet, H.; Lestremeau F.; Cavalieri, L.; Camboni, M.; Footitt, A.; Mudgal, S. (2021) Study to support the assessment of impacts associated with the review of limit values in waste for POPs listed in Annexes IV and V of Regulation (EU) 2019/1021; European Commission, Directorate-General for Environment; https://doi.org/10.2779/63162