43 C.F.R. § 2864.26

In addition to the considerations listed in § 2804.26, the BLM may deny your application under this part if:

(a) The proposed use would interfere with previously authorized uses of public lands, including rights-of-way for communications uses;

(b) The proposed use presents a public health or safety issue; or

(c) The proposed use is not in conformance with the applicable resource management plan or communications site management plan.