Crack in the filling conduit of storage tanks.

On a surface of a few acres, a diesel free phase of a few centimeters, with a migration of the free phase towards the nearby canal.

• Along a canal
• Fill, sand, silt, clay and rocks

• Average depth of aquifer 4.0 m below ground level
• Variability of aquifer +/-1 m

• Emergency response shortly after discovering the incident.
• Delivery and implementation of a pumping unit DS 500-12 accompanied by a 1m3 outdoor storage IBC.
• Placement of a floating dam on the canal with free phase suction using a SKIMMER 600.
• Digging of 6 open pits with a 4.5 m depth, of which 4 were subsequently lined. Wells were equipped with 2 SKIM 4-25 moved from well to well according to the needs. The pits were equipped with SKIMMER 600.
• Recovery of HC in the excavations, no draw-down in the first phase. Subsequently, drawdown was set up to block migration towards the canal.

• Over a period of 8 months, recovery of 6M3 of pure product.
• 90% of the total volume were recovered during the first 4 months.