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Toxic Monitoring Sites in Pennsylvania

Map of toxic monitoring sites in PA

Blue type indicates a current site, red indicates a former site.


Note: Toxic monitoring is performed by separate agencies in Allegheny and Philadelphia counties.

For each location, "SITE DATA" indicates data that has been qualified and finalized if marked "Ready". If not, the words "Coming soon" will appear next to it.

Current Sites

 Accordion ‭[2]‬



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Former Sites

 Accordion ‭[1]‬



Expand AllClick here for a more accessible version