Wood preservation facilities, general recommendations: chapter A

This is a mosaic image of the 4 following pictures: Train track, Kids wooden playground, Marine dock, electric utility poles. marin, des poteaux électriques.

Photo: © Environment Canada 2014

Detailed Table of Content
List of tables List of figures

Objective

The Recommendations for the Design and Operation of Wood Preservation Facilities, 2013, known as the Technical Recommendations Document (2013 TRD) establishes best management practices for the design and operation of wood preservation facilities. Ultimately, the 2013 TRD should be used to develop a facility-specific worker safety and environmental protection program.

Chapter A can be used for general information and recommendations and can be used as a template for newly registered preservatives that have no preservative-specific chapter.

Chapter A suggests an approach for identifying and mitigating the risk of exposure to people and to the environment based on precautionary principles and best available technology.

The following general recommendations are fundamental measures to be used in conjunction with Part II - Preservative-specific Information and Recommendations.

Throughout Chapter A, each completed table is applicable to every preservative used.

For all newly registered preservatives that are not explicitly listed in the 2013 TRD, Chapter A should be used for the design and operation of the treatment facility, and each template table must be completed for the new registered preservative. Consult with your industry association or contact Environment Canada for more information on how to complete Chapter A templates for newly registered preservatives.

If the preservative is already part of the 2013 TRD, please use the appropriate chapter of Part II in combination with the completed tables of Chapter A.

Each chapter of Part II - Preservative-specific Information and Recommendations is structured in a similar way to Chapter A.

Users should keep a precautionary approach in mind when developing a worker safety and environmental protection program to minimize the risk of harm to the public or the environment.

The following are suggested steps to consider:

  • Documentation
  • Understanding the wood preservation process
  • Understanding the chemical behaviour
  • Identifying the potential risk of exposure
  • Proposing realistic cost-effective mitigation measures
  • Training
  • Implementing measures
  • Monitoring
  • Providing feedback and revising the program

Figure 1 presents an overview of the subject areas covered by the operational and design objectives in Chapter A. It is based on the typical handling and use of preservatives. Figure 1 provides a graphic summary of the title of each recommendation table in this chapter and the relationship between the tables.

Figure 1: Overview of Operational & Design Recommendations for Preservation Facilities.

Fig 1 resized
Text description

Figure 1 provides an overview of each recommendation tables that are used in each chapters of the TRD.

There are three categories of tables: recommendations for documentation, recommendations for operational & design and recommendations for maintenance and monitoring.

The recommendations tables for documentation are:

  • Table 1 - Preservative Usage in Canada
  • Table 2 - Physical and Chemical Properties of the Preservative Solution
  • Table 3 - Regulatory Limitations for the preservative constituents in Natural Waterbodies (Preservative-specific)
  • Table 4 - Potential Health Effects of Exposure to the Preservative Solutions
  • Table 7 - Levels of Concern for Preservative Exposure in the Workplace
  • Table 24 - Background of the preservative constituents in the environment

The tables for operational recommendations are:

  • Table 5 - First Aid Measures when Exposed to Preservative (Preservative-specific)
  • Table 6 - General Precautions and Personal Hygiene for Personnel Working in Wood Preservation Facilities
  • Table 8 - Safety Precautions for Personnel Working with Preservative Solutions
  • Table 18 - Recommended General Practices for Operating Wood Preservation Facilities
  • Table 19 - Recommended Operating Practices for Chemical Handling and Storage
  • Table 20 - Recommended Operating Practices for Process Systems
  • Table 21 - Recommended Operating Practices for kilns, Accelerated Fixation Chamber and Dripping Area
  • Table 23 - Recommended Practices for Handling Solid Wastes and Sludge
  • Table 27 - Recommended Transportation Practices for Preservative-Containing Solutions or Wastes

The tables for design recommendations are:

  • Table 9 - Site Features Affecting the Design of a Wood Preservation Facility
  • Table 10 - Recommended Design Features for Chemical Delivery Areas
  • Table 11 - Recommended Design Features for Chemical Storage Areas
  • Table 12 - Recommended Design Features for Chemical Mixing Systems
  • Table 13 - Recommended Design Features for Treatment Process Systems
  • Table 14 - Recommended Design Features for Freshly Treated Wood Drip Areas
  • Table 15 - Recommended Design Features for Kilns and Accelerated Fixation Areas
  • Table 16 - Recommended Design Features for Treated Wood Storage Areas

The recommendations tables for maintenance and monitoring are:

  • Table 17 - Recommended Operations Manual
  • Table 22 - Recommended Operating Practices for Maintenance, Cleanout and Shutdown of Treatment Systems
  • Table 25 - Recommended Routine Environmental Monitoring
  • Table 26 - Recommended Routine Workplace Monitoring
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