Timeline

March 2015 – Recruitment and Sign-Ups

ATSDR and ADHS representatives were in Hayden and Winkelman the week of March 23, 2015 to share information, answer questions, and sign-up eligible participants for appointments in April. Representatives worked toward these goals by holding public meetings, open house events, and door to door conversations in Hayden and Winkelman.

April 2015 – Lead and Arsenic Testing Appointments

ATSDR and ADHS representatives completed testing appointments April 17-19, 2015 for 83 residents of Hayden and Winkelman from 29 different households. All participants received lead testing and 58 participants received arsenic testing as well.

June 2015 – Results Letters Sent to Participants

ATSDR sent results letters to individual participants.

March 2017 – Final Report

ATSDR released the final report. It summarizes the results of the testing, and makes recommendations for reducing exposures.

• 3/27/17 – Exposure Investigation Report [PDF – 8MB]
• 3/27/17 – Summary of Findings [PDF – 1.5MB] – English
• 3/27/17 – Resumen de los hallazgos [PDF – 1.6MB] – En Español

October 2017 – Urine Arsenic Retest

ATSDR staff will return to Hayden and Winkelman to offer a urine arsenic retest to participants from the 2015 urine arsenic testing.