# SLIP OR FALL OF PERSON
> MSHA accident `220200270051` · 01/21/2020 · Materion Natural Resources
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from scaffolds, walkways, platforms
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Escaping a hazard
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 13
- **Mine experience:** 5.75 years
## Operator
- **Controller:** Materion Corporation
- **Operator:** Materion Natural Resources
- **Mine:** [4200706](https://api.morvs.ai/mine/4200706)
## Narrative

When the ammonia line was charged, during the plant start-up process, the compression fitting holding the flow meter in the pipe failed releasing ammonia into the building. As the operator was evacuating the building the operator dropped from a mezzanine deck to the floor below. This drop caused lower-back pain.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · MORVS · CC0 1.0*