# HANDLING OF MATERIALS
> MSHA accident `220230730013` · 02/24/2023 · ASARCO LLC, a Delaware Limited Liability Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck against stationary object
- **Occupation:** Welder (shop)
- **Activity:** Machine maintenance
- **Injury source:** CRANES,DERRICKS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 3 years
## Operator
- **Controller:** Grupo Mexico S A B de C V
- **Operator:** ASARCO LLC, a Delaware Limited Liability Company
- **Mine:** [0200135](https://api.ai-analytics.org/mine/0200135)
## Narrative

Welder bent down to grab the dutchman plate rigging and stood up fast hitting the top of hardhat into the bottom of the knuckle boom causing the welder to fall back to the ground. After welder stood back up, felt pain in lower back. This did not become MSHA reportable until March 11, 2023.

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