[#2, #3, #4, #7, #10, #14, #15, #18] Dedicated HVAC installation, shielded gas canisters & transfer interfaces, radiation/environmental monitoring hardware, gloveboxes/handling infrastructure, initial fleet of Level A suits, initial poster stock, on‑site incinerator/filtration equipment, and IT/secure server hardware.

[#1] Construction of a ~3×3×3 m sealed, air‑lock containment cell with lead/concrete shielding, sealed penetrations, airlock and integration into an existing secure facility; permits and engineering.

[#5] High‑precision analysis equipment (mass spectrometer, alpha/beta/gamma counters, particle detectors) and associated lab benches/shielding for research/forensics.

[#22] Reserve fund for emergency response (contract hazmat teams, rapid containment replacement) held available as a one‑time reserve.

[#6] Initial procurement/legal/licensing costs for acquiring or legally proxying 1 g samples of elements up to Z=92 (permits, transport licensing, insurance).

[#21] One‑time cover costs: witness buyouts, record sanitization and legal settlement/cleanup from prior exposure incidents.

[#13] One‑time setup for psych testing and selection program to ensure D‑class ignorance of chemistry (screening infrastructure, documentation control).

[#9, #17, #19] Salaries and benefits for D‑Class roster and supervision, 24/7 security staffing and research personnel (senior researchers and technicians).

[#6] Monthly replacement procurement of 1 g samples (or proxies) for the first 92 elements, transport, insurance and handling — major recurring driver with high variance.

[#11] Annual cost of administering Class C amnestics per D‑class inspection and associated medical monitoring/oversight.

[#4, #5, #19, #20] Ongoing calibration/monitoring, mass‑spec consumables and service, research program consumables/personnel overhead, and containment modification R&D.

[#26] Insurance and internal liability accounting for catastrophic loss, employee injury and environmental contamination.

[#8, #16] Secure procurement/transport and insurance for hazardous/radioactive shipments, and secure radioactive waste disposal/transport fees.

[#2, #23, #25] HVAC/negative pressure maintenance & filter replacement, utilities/energy for 24/7 systems, and facility audits/certifications/repairs.

[#12] Ongoing medical screening, health surveillance, baseline testing and treatment pipeline for radiation/heavy‑metal exposure.

[#7, #10, #14, #24] Inert gas supplies and glass ampoules, hazmat suit maintenance/replacements, printed periodic table replacements, and regular small supplies (gloves, bags, labels).

[#21] Annual legal retainer and PR/cover story maintenance costs.

[#18] IT & record security maintenance, audits, memetic‑safe archival systems and secure server upkeep.

[#13] Recurring operation of the psych testing/selection program and documentation control.

[#15] Ongoing operating costs for shredders, filtered incineration and emissions controls (consumables, maintenance) or equivalent contract disposal operations.

[#3] Recurring cost estimate for occasional evacuation and processing/disposal of chamber air when radiation thresholds are exceeded.