Privacy
Privacy policy
Checker answers are processed in the browser. Separate analytics, advertising and correction-submission systems have distinct purposes and limits.
Checker data
Answers and results use browser storage so users can move between Japanese and English pages in the same session. Project answers are not placed in the URL or sent as analytics properties.
Analytics and advertising
Google Analytics may load immediately under the site's Japan-focused operating choice. Its event allowlist excludes project inputs, locations, amounts, outcomes and source IDs. Article advertising loads according to the displayed privacy setting and never appears inside checker or result pages.
Correction submissions
A correction may include a page URL, severity, summary, optional official evidence URL and optional reply email. Do not submit health information, contracts, exact residential addresses, passwords or emergency reports. Stored correction records are configured for automatic deletion after 180 days.
Primary Japanese sources
Check the current linked publication and its scope before relying on a claim.
- MHLW: 小規模工事等の着工前に必要な手続きについて
Source section: 1．工事開始前の事前調査／Last checked 2026-07-13（SRC-MHLW-01）
- MOE: 石綿事前調査結果の報告について
Source section: 報告が必要となる工事の条件 ①–③／Last checked 2026-07-13（SRC-MOE-01）
Scope and limitations
This is an unofficial English explanation for navigation and planning. It is not a site survey, legal opinion, qualified review, government filing, approval, or price quotation.
Next pages to check
Continue to the related guidance below, then compare the facts with the official Japanese-language source and the responsible qualified person or authority.
Editorial responsibility and update history
Operator: 石綿チェック運営事務局. This is an independent information service that explains public sources; it does not represent a qualified review or government approval.
Last reviewed: 2026-07-17. See the editorial policy for change history and corrections.