Integrity Environmental sampled in-place soils that caused skin rash and other illness to workers at the construction site during a seismic upgrade project. Integrity Environmental’s sampling results showed soil contaminated with creosote. Integrity Environmental prepared a remediation action plan and obtained approval from California DTSC. Integrity Environmental monitored soil remediation and enclosure under the guidance of DTSC. The work involved environmental monitoring of the open pit, the occupied building, and the adjoining police stationbuilding. The property was located near a high school.Integrity provided verbal daily progress reports as well as closeout documents at the conclusion of project.