oehha.ca.gov

• charset: utf-8
• property: og:site_name content: OEHHA
• property: og:type content: article
• property: og:url content: https://oehha.ca.gov/
• property: og:title content: OEHHA
• property: og:description content: Office of Environmental Health Hazard Assessment
• name: dcterms.title content: Home
• name: dcterms.description content: Office of Environmental Health Hazard Assessment
• name: dcterms.type content: text
• name: dcterms.format content: text/html
• name: dcterms.identifier content: https://oehha.ca.gov/about/home
• name: Generator content: Drupal 10 (https://www.drupal.org)
• name: MobileOptimized content: width
• name: HandheldFriendly content: true
• name: viewport content: width=device-width, initial-scale=1.0
• equiv: refresh content: 0;url='http://oehha.ca.gov/?PageSpeed=noscript'

• here
• Skip to Main Content
• http://oehha.ca.gov/
• Environmental Topics
• Air
• Climate Change
• Fish
• Pesticides
• Water
• CalEnviroScreen
• CalEcotox Database
• Learn about OEHHA
• What We Do
• Meet the Executive Office
• Organizational Chart
• Overview of Programs
• OEHHA Laws and Regulations
• Careers at OEHHA
• Join Our Listservs
• Contact Us
• Proposition 65 Information
• About Proposition 65
• Prop 65 Chemical List
• Meetings, Hearings and Workshops
• Notices
• Law and Regulations
• Latest News
• Events
• Public Comments
• Library Overview
• Chemical Databases
• Documents
• Maps
• Draft CalEnviroScreen 5.0
• Climate Change Indicators
• Fish Advisories
• Landmark Study Finds No Significant Risk from Key Component of Synthetic Turf Fields
• Risk Assessment
• Release of the Final Report on Synthetic Turf
• Fish Advisory for Los Vaqueros Reservoir Offers Safe-Eating Advice for Six Species
• Fish
• Health-Protective Concentration for Noncancer Effects of Hexavalent Chromium
• Water
• OEHHA comments on US EPA’s Updated Draft Risk Calculation Memorandum on Formaldehyde
• CalEnviroScreen
• Oil Spills & Seafood Safety
• Health-based Recommendations to Address Potential Cancer Risks to Occupational Bystanders from the use of 1,3-D
• Pesticides
• Request for Relevant Information on the Carcinogenicity of Ethoprop
• Proposition 65
• Fish Advisory for Bass Lake Offers Safe-Eating Advice for Five Species
• Website
• Conditions of use/Privacy Policy
• Accessibility
• Help
• Sitemap

• https://ca.gov
• Warnings
• https://www.youtube.com/@OEHHA
• CalHeatScore
• Website
• Website
• Air Resources Board
• Cal Recycle
• Department of Pesticide Regulation
• Department of Toxic Substances Control
• State Water Resources Control Board
• Amber Alert
• Cal Alerts
• My Hazards
• Governor
• Lt. Governor
• California Data
• http://www.facebook.com/OEHHA/
• https://www.instagram.com/oehha.ca/
• https://www.linkedin.com/company/office-of-environmental-health-hazard-assessment/
• https://twitter.com/OEHHA/

            Domain Name: CA.GOV
Registrar: get.gov
Domain Status: server transfer prohibited
Creation Date: 1997-10-02T01:29:21.000Z
Registry Expiry Date: 2026-09-02T13:26:28.239Z
Updated Date: 2025-09-07T13:26:28.239Z
Name Server: ASA.NS.CLOUDFLARE.COM
Name Server: CHASE.NS.CLOUDFLARE.COM
REGISTRAR Contact: get.gov
ADMINISTRATIVE Contact: REDACTED FOR PRIVACY
SECURITY Contact: REDACTED FOR PRIVACY
TECHNICAL Contact: REDACTED FOR PRIVACY
>>> Last update of RDAP database: 2026-07-19T20:46:17Z         

			#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed
        

Technikai SEO

On-Page SEO

Tartalom és UX