H&S Historical Evidence Library

Packing

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.

Material / componentEvidence-led
Memory clue: Braided or rope-like packing around pump shafts or valve stems

Work activities worth reconstructing

  • Pulling old packing
  • Repacking pumps
  • Repacking valves
  • Cleaning packing boxes and surrounding debris

Equipment and systems that may help identify the history

Rotary, centrifugal and reciprocating pumps

Valves

Expansion joints

Soot blowers

Time changes the answer

EPA historical reports document asbestos packing in mechanical equipment; the actual material and date must be established for the individual history.

Historical sources used for this research path

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 →