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Sandusky Abrasives

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Final grading of asphalt in Excavation Area 4 on the west side of the site.<br />Date Taken: 7/8/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Final grading of asphalt in Excavation Area 2 on the north side of the site.<br />Date Taken: 7/8/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
New parking area after EQM leveled out gravel.<br />Date Taken: 7/28/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
New parking area after EQM leveled out gravel.<br />Date Taken: 7/28/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
EQM laying down gravel in new parking area.<br />Date Taken: 7/28/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Final soil grading on the western side of the property, east of the access road.<br />Date Taken: 5/26/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Final soil grading on the western side of the property, east of the access road.<br />Date Taken: 5/26/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Final soil grading on the western side of the property, east of the access road.<br />Date Taken: 5/26/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
A family of geese walk through site during a lunch break. The stockpile of gravel for backfill is seen past the excavator. <br />Date Taken: <br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Crushed limestone is poured as backfill material in excavated area. Orange demarcation barrier on the floor indicates depth at which soil lead levels exceed 800 ppm. Contaminated areas are dug up to 1 foot then covered in 1 foot of uncontaminated backfill material. <br />Date Taken: 5/2/2025<br />Category: Site Photo<br />Latitude: 41.7062861111111<br />Longitude: -86.9089972222222<br />Tags:
An air sampling and monitoring station operates on the perimeter of the site. The stockpile of contaminated soil is in the background. <br />Date Taken: 5/2/2025<br />Category: Site Photo<br />Latitude: 41.7053027777778<br />Longitude: -86.9089444444444<br />Tags:
An air sampling and monitoring stations operates on the perimeter of the site. Four stations surround the site. <br />Date Taken: 5/2/2025<br />Category: Site Photo<br />Latitude: 41.7075111111111<br />Longitude: -86.9084861111111<br />Tags:
A skid steer working to level crushed limestone layer before laying gravel. <br />Date Taken: 5/1/2025<br />Category: Site Photo<br />Latitude: 41.706875<br />Longitude: -86.9088444444445<br />Tags:
An excavator is used to even out backfill material. <br />Date Taken: 5/1/2025<br />Category: Site Photo<br />Latitude: 41.7079305555556<br />Longitude: -86.9080361111111<br />Tags:
A skid steer is used to spread backfill material evenly. <br />Date Taken: 4/30/2025<br />Category: Site Photo<br />Latitude: 41.70705<br />Longitude: -86.9084027777778<br />Tags:
Gravel is poured into an excavated area, atop 6-8 inches of crushed limestone. <br />Date Taken: 4/30/2025<br />Category: Site Photo<br />Latitude: 41.7070833333333<br />Longitude: -86.9086833333333<br />Tags:
Crushed limestone is poured into the excavated area as backfill. 6-8 inches of crushed limestone will sit below gravel evening the area to grade. <br />Date Taken: 4/30/2025<br />Category: Site Photo<br />Latitude: 41.706925<br />Longitude: -86.9085527777778<br />Tags:
Crushed limestone is delivered to site for use as backfill material. <br />Date Taken: 4/30/2025<br />Category: Site Photo<br />Latitude: 41.7068638888889<br />Longitude: -86.9084333333333<br />Tags:
Crushed limestone is delivered to site to be used as a base layer in backfill. <br />Date Taken: 4/30/2025<br />Category: Site Photo<br />Latitude: 41.7068027777778<br />Longitude: -86.9083777777778<br />Tags:
The on-site stockpile of lead-contaminated soil. Crews mix in a reagent to reduce the potential for off-site migration of lead-contaminated dust. <br />Date Taken: 4/28/2025<br />Category: Site Photo<br />Latitude: 41.7057333333333<br />Longitude: -86.9091416666667<br />Tags:

Final grading of asphalt in Excavation Area 4 on the west side of the site. Final grading of asphalt in Excavation Area 2 on the north side of the site. New parking area after EQM leveled out gravel. New parking area after EQM leveled out gravel. EQM laying down gravel in new parking area. Final soil grading on the western side of the property, east of the access road. Final soil grading on the western side of the property, east of the access road. Final soil grading on the western side of the property, east of the access road. A family of geese walk through site during a lunch break. The stockpile of gravel for backfill is seen past the excavator. Crushed limestone is poured as backfill material in excavated area. Orange demarcation barrier on the floor indicates depth at which soil lead levels exceed 800 ppm. Contaminated areas are dug up to 1 foot then covered in 1 foot of uncontaminated backfill material. An air sampling and monitoring station operates on the perimeter of the site. The stockpile of contaminated soil is in the background. An air sampling and monitoring stations operates on the perimeter of the site. Four stations surround the site. A skid steer working to level crushed limestone layer before laying gravel. An excavator is used to even out backfill material. A skid steer is used to spread backfill material evenly. Gravel is poured into an excavated area, atop 6-8 inches of crushed limestone. Crushed limestone is poured into the excavated area as backfill. 6-8 inches of crushed limestone will sit below gravel evening the area to grade. Crushed limestone is delivered to site for use as backfill material. Crushed limestone is delivered to site to be used as a base layer in backfill. The on-site stockpile of lead-contaminated soil. Crews mix in a reagent to reduce the potential for off-site migration of lead-contaminated dust. Crews excavate an area of lead-contaminated soil. Contaminated soil is stored in an on-site stockpile. Crew backfills an excavated section. Excavator digs up contaminated soil. Excavator digging up contaminated soil, with on-site stockpile in background. Crews backfill excavated area. Observe demarcation barrier indicating where soil is still contaminated 1 foot below ground surface. Clean soil will be backfilled over the excavation zone. Demarcation barrier is laid over soil that is still contaminated at 1 foot below ground surface. Clean soil will be backfilled over demarcation barrier. An air monitoring and sampling station runs while workers operate in excavation area. An excavation area before backfill. Contaminated soil is transported to the on-site stockpile. An excavator removes contaminated soil. During a pause in digging, crew uses excavator to mix a reagent into the stockpile to reduce contamination levels. Contaminated soil is loaded into a dump truck for transport to the on-site waste stockpile. Crew begins excavation of contaminated soil under asphalt. Crews load out the stockpile of contaminated soil. An air monitoring station measures dust particulate levels during work. Crews load contaminated soil from the stock pile to dump trucks for offsite disposal. Soil loadout occurring from the excavation area in the southwestern portion of the property. Southwestern excavation area on the property. Excavation activities occurring on the western boundary of the property. Excavation activities occurring on the western boundary of the property. Soil stockpile covered with polyethylene liners. Mixing reagent into soil stockpiles on the western side of the property. Backfill operations occurring on the eastern side of the property. Soil Reagent Heavy Metals Treatment Product Excavator mixing and neutralizing lead contaminated soil with Heavy Metals Treatment Product. Clean gravel being placed over a demarcation barrier on the western portion of the Site. Truck loading in clean backfill on the western portion of the Site. Excavator loading out soil from the western portion of the Site. Excavator loading out soil from the eastern portion of the Site. DustTrak monitoring for particulate around soil excavation areas along with Gilair collecting an air sample. Base of operations on-site. DustTrak monitoring for particulate during soil excavation.