Incident date: 2018-09-13
NAICS industry code: 332813

A maintenance employee was replacing a ball valve on a pump in a wastewater treatment system when she knelt in a puddle of 20% sodium hydroxide and sustained caustic burns on her right knee.

Hazard classification:
code_event: title: Exposure through intact skin, eyes, or other exposed tissue
code_source: title: Sodium and potassium hydroxide, potassium carbonate
code_nature: title: Chemical burns and corrosions, unspecified
code_body: title: Knee(s)
severity: moderate