12/8/2020

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Central Tucson PFAS Project

CTPP Work Plan - Potential ADEQMonitoring Well

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R0 0.5 10.25 Miles

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Davis Monthan Air Force Base

22nd St

Broadway Blvd

Alvernon

Way

Swan

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Coun

try Club

Rd

Kino EnvironmentalRestoration Project(KERP)

Active Tucson Water DW Well Surface Water Drainage

Tucson Water DW Well Removed from Service

PFOA+PFOS >70 ppt**PFAS = per- and polyfluorinated alkyl substancesPFOA = perfluorooctanoic acidPFOS = perfluorooctane sulfonic acid

**Contours represent the estimated area of groundwater currently known to exceed the USEPA HealthAdvisory Level (HAL) of 70 parts per trillion (ppt) for the combined concentration of PFOA and PFOS

ApproximateGroundwaterFlow Direction

(CTPP)

DW = Drinking Water

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