[#7, #19, #28] Initial analytical/capture setup (GC-MS/FTIR, sampling/trap infrastructure), environmental/bio/rad testing equipment, and long-term research capital (EEG suites/specialized imaging) one-time purchases. Midpoint sums of ranges.

[#26] One-time contingency/insurance reserve seed fund to cover emergency repairs, temporary relocations, and initial crisis response; midpoint of provided reserve range.

[#1, #2, #3, #6, #8] Construction and structural work: airtight 3×3×3 steel cell, double-door airlock, Faraday lining, HVAC installation (ductwork and serviceable interfaces), and sealed toilet stall installation. Estimate is the midpoint sums of provided ranges.

[#4, #5, #9, #10, #11, #20] Hardware and installed systems: IR/thermal CCTV and NVR, EMP/EM-hardened electronics and shielded cabling, automatic food distribution hardware, UPS/generator integration (shared sizing), monitoring/SCADA integration initial hardware, initial PPE/decon gear. Midpoint sums of ranges.

[#12, #13, #15] Ongoing personnel costs: security staffing (guards/MTF rotations), specialist containment team salaries/contractors (Level-3/4, containment engineers, psychologists), and on-site medical staff readiness. Midpoint sums of provided ranges.

[#7, #17, #18, #19, #22, #28, #29] Ongoing analytical/disposal/analysis for gas sampling (annualized sampling & disposal), post-insertion autopsy/pathology & toxicology, psychological research and monitoring programs, periodic environmental/radiological testing consumables, secure data storage/analysis for IR footage, ongoing research personnel/time, and psychological aftercare programs. Midpoint sums and assumed sampling frequency annualized.

[#30] Miscellaneous pro-rated site overhead allocation: utilities, administrative overhead, rent/central site services; midpoint of provided range.

[#25] Legal counsel, cover-story maintenance, PR/settlement reserves and compliance/legal overhead; midpoint of provided range.

[#26] Annual replenishment target for the contingency/reserve fund to restore used emergency funds and maintain readiness; midpoint of provided recurring range.

[#9] Annual food and consumable costs for automated feeding during D-Class insertions: assumed frequency tied to insertion durations (annualized estimate using midpoint per-feeding cost and expected feed counts per insertion).

[#6, #10, #21] HVAC operation, filters, power/fuel/testing for backup generator/UPS, and scheduled integrity tests (pressure/leak tests, Faraday continuity tests). Midpoint sums.

[#27] Periodic staff training sessions, mock drills, SOP updates, and external trainers; midpoint of provided range.

[#16, #20, #23] Consumable items: lethal injection consumables and licensed personnel time allocation, recurring PPE replacements and fit-testing, and general spares (seals, filters, camera spares, batteries). Midpoint sums.

[#14] D-Class procurement, screening, secure transport and administration costs (two insertions/year); midpoint estimate of provided range.

[#11] Annual monitoring/SCADA contracts, offsite mirroring, intrusion/tamper monitoring service fees and system maintenance; midpoint of provided recurring range.

[#24] Certified hazardous waste incineration and disposal contractor fees for chamber clean-outs and biological/chemical waste; midpoint of provided range.

[#5] Ongoing calibration, maintenance, and replacement for EMP/EM-hardened sensors, shielded cabling and isolated logging channels; midpoint of provided recurring range.

[#8] Annualized cost for sealed waste cartridge transfers and incineration/autoclave disposal associated with two D-Class insertions/year (midpoint per-event estimate annualized).

[#4] Annual maintenance, replacement spares, and firmware/hardened protection upkeep for IR/thermal CCTV systems; midpoint of provided recurring range.