The following actions normally will require an EA:

(a) Programs supported in whole or in part by NIFA which may result in a particular technology's moving from the field evaluation stage to large-scale demonstration or simulated commercial phase.

(b) Field work that is expected to have an effect on the human environment such as large-scale excavations or the use of explosives.

(c) Projects for the construction or renovation of physical facilities, unless categorically excluded under §3407.6(a)(2)(ii).

(d) Activities specified in §3407.6(b).