Pierre Lebrun

Engineer – Polytech’ Paris UPMC
Earth Sciences – Hydrosciences

CPA Experts
Engineer Environment Expert since 5 years

Kaya Environnement
Assistance to Owners
Pollution cleanups / Waste / Asbestos

CPA Experts
Environmental assistant engineer

Pollution

• Accidental, gradual and historical pollution
• Soil, water and groundwater pollution by hydrocarbons, solvents, heavy metals
• River, lake and pond pollution with fish mortality, assessment of damage to fish production
• Transformer leaks and explosions with PCB spillage
• Pollution from tank, conduit and pipeline puncture in oil storage depots or petrol stations
• Overturned trucks with spillage of fuel or chemicals
• Pollution linked to waste disposal operation unit
• Pollution from waste water treatment plants
• Historic pollution linked to former industrial activities
• Pollution through piercing of storage basin membrane
• Air pollution by various particles
• Litigation stemming from regulations governing management of polluted sites and soil
• Pollution related to fire extinguishing water
• Contamination by invasive plants

Waste

• Leakage failure of waste bins
• Pollution related to incineration or waste treatment
• Leachate leaks
• Cost optimization of management of polluted materials
• Contamination of waste treatment facilities by PCBs

Asbestos – Lead

• Litigation related to asbestos and lead diagnostics
• Demolition of buildings containing undiagnosed asbestos
• Contamination by emissions and deposits of asbestos fibers in the air
• Contamination by emissions and deposits of leads particles

Water treatment

• Litigation of drinking water supply and capture (polluants, legionella, etc.)
• Disorders in wastewater treatment plants and drinkingwater plants
• Degradation of concrete by H₂S attack
• Process malfunction
• Contamination of facilities