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If a surface is contaminated with the SARS-CoV-2 virus, how long does it pose a risk of infection?

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Sources:
https://www.cdc.gov/coronavirus/2019-…
https://www.who.int/news-room/comment…
https://covid19.nj.gov/faqs/coronavir…
https://www.pbs.org/newshour/science/…
https://www.nejm.org/doi/full/10.1056…
https://www.thelancet.com/journals/la…
https://hub.jhu.edu/2020/03/20/sars-c…
https://dx.doi.org/10.1063/5.0012009