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According to the California Department of Public Health, the average blood lead level for adults in the United States is less than 1 microgram per deciliter.

Police arrested him and found he exceeded the limit with 57 micrograms of alcohol in 100ml of breath - the legal limit is 35 micrograms.

GSNR’s project would raise pollution levels by roughly 1 microgram per cubic meter for the duration of its operations in the port area.

The current FDA guideline on daily intake of lead from diets overall is to limit lead intake to 2.2 micrograms per day for children.

For particulate matter, the team measured peak concentrations in micrograms per cubic metre of air.