U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock ( Lock A locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

  • Environmental Topics
  • Laws & Regulations
  • Report a Violation
  • About EPA

Health Assessment Workspace Collaborative (HAWC)

  • Contact Us
  • Home
  • Assessments
  • ORD IRIS Assessment Inorganic Arsenic (2025)
    • Literature review
    • Study list
    • Study evaluation
    • Endpoint list
    • Summary tables
    • Visualizations
    • Downloads
  • Search
  • About
  • Resources
  • Home
  • Assessments
  • ORD IRIS Assessment Inorganic Arsenic (2025)
    • Literature review
    • Study list
    • Study evaluation
    • Endpoint list
    • Summary tables
    • Visualizations
    • Downloads
  • Search
  • About
  • Resources
  1. Public Assessments
  2. ORD IRIS Assessment Inorganic Arsenic (2025)
  3. Nakadaira, 2002, 628685

Please check your network connection and refresh this page. Please contact us if the issue contiues to occur.

Nakadaira, 2002, 628685

Study evaluation

View details

Epidemiological study populations

  • patients residing in arsenic-polluted district during 1954-1959 and diagnosed with chronic arsenic poisoning in 1959 ; controls were the populations of two other districts in the same town
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov Exit EPA’s Website
  • Subscribe
  • USA.gov Exit EPA’s Website
  • White House Exit EPA’s Website

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.

Last updated on February 09, 2026
HAWC build bdcf3e53