Learn about the services provided by etp in the environmental sector

Environmental audits

  • Conducting Environmental Audits and Assessments.
    Assessment of Non-Conformities as an approach to comply with Legal Requirements and Good Environmental Practices.
  • Identification of details and preparation of an Audit Report.

Quantitative Risk Assessment (QRA)

  • D.L 173/2008 ((i) of Article 2 and h) of Article 1) anticipates the identification of the monitoring of emissions to the environment in facilities with activities directly associated with the chemical and petrochemical industry.
  • Measurement of water level depth and thickness of the free product on piezometers.
  • Development, cleaning and recovery of piezometers.
    • Disposable test sample;
      Submersible pump;
    • Inertia pump;
    • Low flow sampling. Collection of water samples with a wide range of methodologies:
  • Taking samples under the free product layer (LNALP), avoiding mixing water with the hydrocarbon phase.
  • Sample analysis in international and national reference laboratories.
  • Comparison of analytical results with standards of reference.
  • Calculation and representation of contamination plumes in georeferenced maps.
  • Development of isopor maps.
  • Development of free product thickness maps.
  • Analysis of the evolution of water quality.
  • Construction of hydrogeological models.

Purchase and sale audits (due diligence)

1st Phase

  • Acquiring details about the installation: pre-installation historical land use, post installation land use, environmental liabilities, emissions released to the environment, applicable legislation, geological, hydrogeological and environmental framework.
  • Visit facilities, interviewing people responsible for the infrastructure, identification of non-conformities and spots of potential contamination and waste deposit.

2nd Phase

  • Second phase Planning and Intervention.
  • Conducting land surveys and installing piezometers in contaminated or potentially contaminated land.
  • Defining the area and volume of contaminated soil and groundwater.
  • Estimate of remediation cost

Hydrogeological Studies

  • Design and construction of piezometric networks.
  • Production of isopor maps.
  • Determination of 'in situ' hydrogeological parameters:
    • Execution of pumping tests;
    • Slug tests.
  • Bail down trials.
  • Construction of hydrogeological models.
  • Hydrogeological studies according to the RMUEL (Lisbon City Council)

Environmental Licensing (PCIP)

  • Filling in the Environmental Licensing form.
  • Process organization.
  • Process submission and follow-up with the competent authorities until obtaining the Environmental License.

Groundwater remediation

  • Pumping systems for free product removal (LNALP) and contaminated water.
  • Treatment of contaminated water using the "Pump & Treat" methodology
  • Installation of skimmers.
  • Installation of absorbent sock
  • Projection and planning the remediation operation.
  • Supervision and monitoring the remediation operation.

Geophysical Prospecting

The Ground Penetrating Radar or Georadar is a non-invasive and non-destructive geophysical prospecting equipment, which uses the difference between the dielectric constants (K) of materials to recognise underground objects and structures.

Due to its characteristics, the GPR is the ideal tool for underground investigation applied to different areas such as Geology, Geotechnics, Archaeology, Forensic Sciences, Cadastral Survey and Civil Engineering.

This equipment can be used to detect:

  • Rock structures and soils (soil layers, rock masses, landfill deposits);
  • Cavities and fractures (caves, cracks, collapses);
  • Groundwater (groundwater levels, water infiltration);
  • Underground structures (pipes, ducts, cables);
  • Built structures (thickness/condition of floors, armors);
  • Archaeological elements.

Environmental Assessment of Gas Stations

  • Identification of areas of greatest environmental sensitivity in a fuel distribution network. Etp develops a judgment considering planning actions, investments and resources to be allocated to each facility.
  • Measure taken in accordance with the D.L. 147/2008 “Environmental responsibility”.
  • Consumer-centric assessment methodologies, APETRO, or internally developed.
  • Editing of “checklists” to identify the technical/operational indexes and environmental parameters of the station and its surroundings.
  • Creation of a Database to insert all the information.
  • Reporting and calculating statistical data associated with the Risk Analysis performed.

Waste Assessment

  • Evaluation and classification of waste considering its degree of hazardousness (hazardous, non-hazardous) according to EU regulation 1357/2014 of December 18th, EU Decision 2014/955/EU and EC Regulation nº 1272/2008 of December 16th.
  • Residue distribution as thickness isoline maps.
  • Defining thickness, extension and volume of buried waste.
  • Estimate cost of removal and disposal in a controlled waste landfill.
  • Programming and monitoring the waste removal operation.
  • Assessing the environmental condition of remaining soils.

Investigation of the existence, and lateral and in depth distribution of contaminants in the subsoil and groundwater

  • Assessment of the potential condition of contamination of soil and groundwater.
  • Drilling with full soil core recovery, without the use of drilling fluids.
  • Dry rotation with a core cutting machine (full core recovery);
  • “Geoprobe” (full core recovery);
  • Trace (hollow and solid).
  • Evaluation of the existence of petroleum hydrocarbon volatiles in the soil core by “PID” methodology.
  • Installation of piezometers.
  • Soil and groundwater sampling.
  • Analysis of soil and water samples in international and national reference laboratories.
  • Volume and mass calculation of the contaminated soil.

Soil-Gas Studies

  • Expedited method of assessing the existence of hydrocarbons in the subsoil.
  • Quick procedure.
  • Instant results.
  • This methodology measures the concentration of hydrocarbon volatiles in the subsoil directly related to the concentration of the hydrocarbons remaining in the subsoil.
  • Possibility of measuring volatiles between 0,4 and 4m in depth.
  • The methodology allows directing "traditional" land surveys to
    spots where you are most likely to find contamination.

Monitoring of piezometric networks

  • D.L 173/2008 ((i) of Article 2 and h) of Article 1) anticipates the identification of the monitoring of emissions to the environment in facilities with activities directly associated with the chemical and petrochemical industry.
  • Measurement of water level depth and thickness of the free product on piezometers.
  • Development, cleaning and recovery of piezometers.
  • Toma de amostras de água com um amplo leque de metodologias:
    • Disposable test sample;
    • Submersible pump;
    • Inertia pump;
    • Low flow sampling.
  • Taking samples under the free product layer (LNALP), avoiding mixing water with the hydrocarbon phase.
  • Sample analysis in international and national reference laboratories.
  • Comparison of analytical results with standards of reference.
  • Calculation and representation of contamination plumes in georeferenced maps.
  • Development of isopor maps.
  • Development of free product thickness maps.
  • Analysis of the evolution of water quality.
  • Construction of hydrogeological models.

Soil Remediation

  • Soil remediation, by removal to an authorised manager or through the installation of “in situ” treatment methodologies.
  • Projection and planning the remediation operation.
  • Licensing of the decontamination operation with the CCDR and other entities
  • Inspection/monitoring the remediation operation.
  • Carrying out “in situ” measurements of the components of hydrocarbons and heavy metals.

Serious Environmental Risks (SEVESO)

  • Stock evaluation.
  • Notification.
  • Serious Accident Prevention Policy.
  • Safety Report.
  • Development and implementation of the Safety Management System, associated with the compliance of the applicable legal requirements for the facilities covered by the Regulation on Serious Industrial Risks.

Environmental experts for over 20 years