Industrial Environmental Management

Appendix EIndustrial Hygiene Outlines

Table E.1 Highlight and brief explanation about industrial hygiene types and techniques used in chemical and allied industries.

Source: Crowl and Louvar (2011).

Inherently safer workplace – eliminate or reduce hazard Eliminate chemical entirely Reduce chemical inventories, including raw materials, intermediates, and products Replace chemical with less hazardous chemical Decrease temperature and pressure of chemical Reduce pipeline size to reduce hold‐up inventory Enclosures – enclose room or equipment and place under negative pressure Enclose hazardous operations such as sample points Seal room, sewers, ventilation, and the like Use analyzers and instruments to observe inside equipment Shield high‐temperature surfaces Local ventilation – contain and exhaust hazardous substances Use properly designed hoods Use hoods for charging and discharging Use ventilation at drumming station Use local exhaust at sample points Keep exhaust systems under negative pressure Dilution ventilation – design ventilation systems to control low‐level toxics Design locker rooms with good ventilation and special areas or enclosures for contaminated clothing Design ventilation to isolate operations from rooms and offices Wet methods – use wet methods to minimize contaminations with duds Clean vessels chemically vs. sandblasting Use water sprays for cleaning Clean areas frequently Use water sprays to shield trenches or pump seals Good housekeeping – keep ...