40 C.F.R. § 35.2262
Funding of field testing
In the case of grant assistance for field testing of innovative or alternative wastewater process and techniques, the following provisions are deferred until the award of assistance for building the approved facilities: §§ 35.2105, 35.2106, 35.2122, 35.2130, 35.2140, 35.2206, and 35.2208.