CX-027088: Replace 234-7H LSS Environmental Chambers #2 and No. 3 and Environmental Chambers No. 1 and No. 10

The proposed activity removes and replaces the complete Environmental Chamber system units No. 2 (LSS.002), No. 3 (LSS.003), #1 (LSS.001), and No. 10 (LSS.010) in the 234-7H Life Storage Facility with new equipment that conforms to the original testing requirements while improving on its original design based on past maintenance and operating experience.