Radioactive waste drums, lead casks, Geiger counter, dosimeters, gas masks, hazmat gear, decon shower, trefoil signs and floor decals, with two dressed showcase roomsURP (Unity 2022.3+) is the main pipeline: demo scenes and materials are URP. For Built-in RP projects, import the included N35_BuiltIn_Materials.unitypackage.Two dressed rooms show the props in use, clean and abandoned, so one purchase covers both the working site and the ruin.Fictional site name, text and insignia only. No weapons, no people, no vehicles.Key factsContainment: yellow radioactive waste drums (intact, dented, leaking), steel drums (slate, rusted, crushed), large and small lead casks, steel, wood and lidded waste crates, 2-drum and 4-drum spill pallets, shielded transport container.Measurement: handheld Geiger counter with probe and coiled lead, pistol-grip survey meter, wall radiation monitor, film badges, pen dosimeters, wall badge rack, survey log clipboards.Protection: 2 gas masks (twin eyepiece, panoramic visor), 2 filter canisters, hazmat boots, glove rack, loose gloves, decon shower frame, sprayer tank cart, waste bin, first-aid case and wall cabinet, iodine tablet carton.Signage and decals: radiation trefoil signs, fictional zone and procedure boards, warning tape and barrier posts, floor hazard stripes, floor trefoil, sludge, rust, grime and wall leak decals.Showcase: decontamination station and waste storage vault, each dressed Active and Abandoned in the demo scenes. Every prop ships as one FBX with a single all-quad LOD0 mesh and a prefab with box / mesh colliders; power-of-two textures.Known issues2 of 69 props and 2 of 6 shell parts have a UV1 lightmap channel below the 4 px padding at 128 px check: use a lightmap resolution of 512+ (or Generate Lightmap UVs on the shells), or realtime lighting.If a decal shows opaque, set its material surface type to Transparent and use the BaseColor alpha.Unique meshes: 75 (69 props and modules, 6 shell parts)Triangles: props 2 - 5,008 per asset (median 336; all 69 props 69,030); shell parts 168 - 21,124 (all 6 shells 39,584)Topology: 100 % quads (0 triangles, 0 n-gons, no degenerate faces); one LOD0 mesh per asset (no LOD chain)Collision: BoxCollider on props, MeshCollider on pieces over 1.5 m and on the building shells (prefabs); no UCX meshes in the FBXTextures: 207 files, PBR maps BaseColor, Normal, MetallicSmoothness (built from ORM); decals RGBA, power-of-two sizesScale: Real-world, 1 unit = 1 m, Y up in UnityRooms: 2 showcase rooms (in the demo scenes)States: clean / abandonedRender pipeline: URP (Unity 2022.3+); demo scenes Demo_Active / Demo_Abandoned and an Overview scenePrefabs: one per asset, with colliders


