H&S Historical Evidence Library
Pipe & Boiler Insulation
Start with what you remember, then test the history against period-specific records. This page organizes a historical research path; it does not establish what was present at a particular workplace.
Memory clue: White/chalky pipe covering, block insulation, blankets, insulating cement, corrugated-looking paper, canvas-covered insulation
Work activities worth reconstructing
- Installing or removing insulation
- Accessing equipment beneath insulation
- Repair and maintenance near damaged insulation
- Boiler or steam-system work
Equipment and systems that may help identify the history
Pipes
Boilers
Hot-water tanks
Heat exchangers
Ducts
Time changes the answer
EPA states installation of certain friable asbestos pipe and block insulation on facility components was banned in 1975; older installed material can remain.
Historical sources used for this research path
- EPA — Asbestos-Containing Thermal System Insulation: Facts and Figures
- EPA — Asbestos NESHAP Inspection Guidance
These sources support the generic historical relationship described here. They do not establish a manufacturer, product or material at a particular New York workplace.
Continue from your memory
Tell us what you remember → Historical Evidence Library → New York Workplace Finder →