Table 2 Mean elemental NYABG and control sample concentrations in correlation to depth.

From: Identification of trace metals and potential anthropogenic influences on the historic New York African Burial Ground population: A pXRF technology approach

Element

Buried Depths (10–25 FBG) NYABG

Surface Depths (0.6–6 FBG) Control

As

<10 μg/g

<10 μg/g

Cu

19–544 μg/g

<26 µg/g

Zn

39–631 μg/g

<88 µg/g

Ca

<11.1 μg/g

632–3780 μg/g

Sr

276–343 μg/g

18–134 μg/g

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