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Title 43

Displaying title 43, up to date as of 9/10/2026. Title 43 was last amended 8/12/2026.
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Title 43Public Lands: InteriorPart / Section
Subtitle AOffice of the Secretary of the Interior1 – 199
Part 11Natural Resource Damage Assessments11.10 – 11.93
Subpart AIntroduction11.10 – 11.19
Subpart BPreassessment Phase11.20 – 11.25
§ 11.20Notification and detection.
§ 11.21Emergency restorations.
§ 11.22Sampling of potentially injured natural resources.
§ 11.23Preassessment screen—general.
§ 11.24Preassessment screen—information on the site.
§ 11.25Preassessment screen—preliminary identification of resources potentially at risk.
Subpart CAssessment Plan Phase11.30 – 11.38
Subpart DUsing the Type A Procedures11.40 – 11.44
§ 11.40How does a trustee use the Type A procedure?
§ 11.41What information is included in a Type A Report?
§ 11.42What documents must be in the administrative record when the Type A Report is published?
§ 11.43What is the process for Type A Report comments?
§ 11.44How do the trustees conclude the Type A procedure?
Subpart EType B Procedures11.60 – 11.84
Subpart FPost-Assessment Phase11.90 – 11.93
§ 11.90What documentation must the authorized official prepare after completing the assessment?
§ 11.91How does the authorized official seek recovery of the assessed damages from the potentially responsible party?
§ 11.92Post-assessment phase—restoration account.
§ 11.93Post-assessment phase—restoration plan.
Appendix I to Part 11
Methods for Estimating the Areas of Ground Water and Surface Water Exposure During the Preassessment Screen