[#2] Purchase/formulation/transport/pumping and initial fill of ~1000 m³ engineered polyethylene-based polymer goo.

[#12] Estimated occasional full-replacement/disposal event cost (amortized/contingent event noted as possible in analyst notes).

[#3, #4, #5, #6, #7, #8, #10, #11, #19] Sealed 1 m³ padded box, specialty restraint, submersion support/hoist, protective suits fleet, breathing/SCBA systems (initial), ROVs/remote manipulators, initial monitoring/controls, backup generator purchase, and transport vehicle/armored cases.

[#9, #17, #18, #25] High-speed imaging/instrumentation, initial research program setup, remote drop/test rigs and safety enclosures, and initial data/storage hardware for experiments.

[#1] Reinforced 10×10×10 m containment tank, airlock, HVAC, seismic anchoring, corrosion-resistant lining and structural supports.

[#15] Initial training program setup, certifications, and PPE/spare parts provisioning.

[#14] Salaries, benefits, hazard pay, overtime and shift coverage for technicians, security, researchers and supervisors (24/7 coverage).

[#9, #17, #25] Ongoing experimental research, data analysis, secure data storage subscriptions/maintenance and monitoring operations.

[#12] Filtration, replenishment (5–10%/yr), biocide treatments, partial replacements and testing of polymer; disposal handling costs excluded (separate reserve).

[#22] Annual provisioning toward an insurance/legal/reserve fund to cover large-scale liability and catastrophic containment costs.

[#21] Public relations, legal contingency planning, liaison with local authorities and incident PR reserves.

[#26] Planned capital refresh reserve (amortized replacement/upgrades of pumps, suits, sensors, generators over multi-year cycles).

[#13] Annualized reserve for hazardous waste disposal events (transport/treatment/incineration) to cover expected disposal activity.

[#20] Recordkeeping, accreditation, incident reporting, inventory control, background checks and administrative staff time.

[#16] On-call medics, trauma equipment, post-exposure monitoring and arrangements with hospitals for acute incidents.

[#7, #15, #23] SCBA refills and maintenance, PPE upkeep, replacement seals/gaskets/filters, small tools and consumable spares.

[#1, #10, #11] Routine maintenance of tank structure, HVAC, ventilation for suit donning, monitoring maintenance and generator fuel/maintenance.

[#19] Secure transport operations, vehicle operations, route planning and transfer crew costs.

[#24] Annualized budget for cleanup, replacement of padding/panels and repairs after smaller incidents.