Biggs & Narciso

Additional Resources

Asbestos Information and Resources

Asbestos is categorized into two forms: serpentine and amphibole asbestos. Both are resistant to high temperatures and are extremely durable. In their raw states both are formed from fibrous strands that can be split and divided into smaller and smaller fibers eventually becoming microscopic. More...

Lead Information and Resources

The detrimental health effects caused by lead poisoning have been well documented and understood for many years. Prior to 1976, lead based paints were in common use. While these paints have disappeared from paint store shelves, lead-based paints are a concern when renovating older buildings where such paints have been previously applied. Intact paint is stable and presents no problem. More...

Mould Information and Resources

While there are dozens of varieties of mould that find their way into buildings, the most dangerous strains are: Chaetomium (Kay-toe-MEE-yum) and Stachybotrys chartarum which produce airborne mycotoxins which are linked to autoimmune disease. More...

PCB Information and Resources

Once released into the environment, PCBs do not breakdown and are therefore have found their way into many ecosystems finally accumulating in plants, animals and human beings. The import, manufacture, and sale of PCBs were made illegal in Canada in 1977. More...