Hair Analysis Panel Discussion: Section 6.1

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Section 6
6.1 What Is the State of the Science of Hair Analysis?

Although consensus was not required, the panelists did agree on the following overall conclusion statement:

For most substances, insufficient data currently exist that would allow the prediction of a health effect from the concentration of the substance in hair.³ The presence of a substance in hair may indicate exposure (both internal and external), but does not necessarily indicate the source of exposure.

³This statement addresses only exposure to environmental contaminants and does not address substances of abuse.

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