Code of Federal Regulations Title 30. Mineral Resources § 30.550.215 What hydrogen sulfide (H 2 S) information must accompany the EP?

(a) Concentration. The estimated concentration of any H₂S you might encounter while you conduct your proposed exploration activities.

(b) Classification. Under 30 CFR 250.490(c), a request that the BSEE Regional Supervisor classify the area of your proposed exploration activities as either H₂S absent, H₂S present, or H₂S unknown. Provide sufficient information to justify your request.

(c) H₂S Contingency Plan. If you ask the Regional Supervisor to classify the area of your proposed exploration activities as either H₂S present or H₂S unknown, an H₂S Contingency Plan prepared under 30 CFR 250.490(f), or a reference to an approved or submitted H₂S Contingency Plan that covers the proposed exploration activities.

(d) Modeling report. If you modeled a potential H₂S release when developing your EP, modeling report or the modeling results, or a reference to such report or results if you have already submitted it to the Regional Supervisor.