[#1, #2, #3, #28] Land purchase, perimeter fencing, modular on-site base construction and expected decommissioning costs included (purchase chosen over lease in this estimate).

[#5, #11, #14] Permanent sensor suite, vehicle/ATV/transport purchases, and initial PPE/equipment procurement.

[#21] Establishment of an incident contingency/reserve fund for emergencies or uninsurable losses.

[#6, #12, #15] Specialized spectral/field instruments, field lab and evidence-processing kit, and initial data/storage/analysis infrastructure.

[#4] Diesel generator(s), solar array/battery bank, fuel storage and utility setup for remote, cold environment (installation costs).

[#19] One-time community buy-in / compensation payments or buyouts to local stakeholders.

[#10] Initial MTF/research training, contractor trainer fees, and tabletop exercise setup.

[#18] Initial legal/permitting and cover-story establishment/setup costs.

[#24] Initial environmental impact studies and mitigation planning.

[#13] On-site trauma kits and initial medical supplies.

[#22] One-time setup for evidence archival, secure printing/redaction and vaulting.

[#7, #9, #13] Salaries and benefits for permanent on-site caretakers/security/maintenance (2–4 FTE assumed here) and dedicated Level-3 researcher(s)/support staff; medic service opted as medevac contract (see logistics).

[#5, #6, #15, #16, #22, #23, #24, #26, #29] Ongoing sensor maintenance/data costs, calibration/software updates, hosting/secure backups, dedicated humanities/social-science program funding, recurring records/archival costs, translation/linguistics contracts, environmental monitoring, annual audits/reviews, and outsourced sample analysis.

[#8, #11, #13] Annual surge deployment costs (travel, per-diem, temporary lodging, overtime) plus vehicle fuel/maintenance and medevac standby contract costs.

[#18, #19, #25] Ongoing legal/permit maintenance, recurring community goodwill payments, and PR suppression/media monitoring costs.

[#30] Annual 10% contingency reserve on operational recurring budget to cover unforeseen small purchases or variability.

[#2, #3, #4] Annual repairs/replacements for perimeter, modular base upkeep, and generator/fuel system maintenance.

[#12, #14, #27] Field consumables, evidence consumables, PPE replacements, batteries, data cards, portable heaters and similar disposables.

[#17] Employee counseling, mental-health monitoring and long-term care for staff interacting with SCP-5278-1.

[#10] Annual refresher training, tabletop exercises and certifications.

[#20] Property/liability insurance premiums where feasible; many anomalous risks may be uninsurable.