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## Occupational Safety and Health Administration

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### Inspection Detail

**Case Status: OPEN**

**Note:** The following inspection has not been indicated as closed. Please be aware that the information shown may change, e.g. violations may be added or deleted.  For open cases, in which a citation has been issued, the citation information may not be available for 5 days following receipt by the employer for Federal inspections or for 30 days following receipt by the employer for State inspections.

#### **Inspection: 1492143.015 - Copper Harbor Company, Inc.**

**Inspection Information - Office: Ca Oakland**

 

**Inspection Nr**

**Report ID**

**Date Opened**

----

**Site Address**: 			   Copper Harbor Company, Inc.			   2300 Davis St.San Leandro, CA 94577

**Mailing Address**: 			   2300 Davis Street, San Leandro, CA 94577

**Union Status**: NonUnion

**SIC**:

**NAICS**: 325998/All Other Miscellaneous Chemical Product and Preparation Manufacturing

----

**Inspection Type**: Fat/Cat

**Scope**: Partial

**Advanced Notice**: N

**Ownership**: Private

**Safety/Health**: Health

**Close Conference**: 05/28/2021

**Emphasis**:

**Case Closed**: 

----

**Case Status: OPEN**

#### **Investigation Summary**

**Investigation Nr**

**Event**

At 5:06 p.m. on August 24, 2020, an employee who had been performing routine duties for a chemical blending and packaging company died from cardiac arrest potentially complicated by exposure to chemicals and wildfire particulates. On August 19, 2020, the employee spent the morning mixing water-based Glaze 'N Seal products in Building D. He was then assigned to operate a forklift in Building B to assist in packaging powdered oxalic acid dihydrate. Excess powder was blown off with a compressed air hose. At 4:00 p.m. on that day, the employee had an asthma attack and was transported to the hospital. At some point, the employee had a heart attack and on August 24, 2020, the employee died. Further investigation revealed three possible factors contributing this his death. The employee was potentially exposed to chemicals on the job, the employee was potentially exposure to wildfire smoke, and the employee was exposed to heat. Heat was eventually ruled out as a factor. Coworkers worked within a semi-enclosed area in Building B with several respiratory irritants and exhaust from the area was vented into Building B. Also, according to AirNow.gov, on August 19, 2020, due to two lightning complex fires that were burning, the Air Quality Index (AQI) ranged from 128 to 170, Orange (Unhealthy for Sensitive Groups) to Red (Unhealthy), between the hours of 11:00 a.m. to 4:00 p.m. At this time, the large doors on both buildings were open to the outside and the employee was operating the forklift indoors and outdoors. No autopsy was performed, and the causes of death listed on the death certificate were: (1) Cardiac Arrest; Brain Death-Ventricular Fibrillation; and (3) Other Significant Conditions: Asthma with unspecified acute exacerbation. It is likely that exposure to respiratory irritants at the worksite triggered the employee's asthma based upon findings of the onsite investigation. The employee was not

**Keywords:**cardiac arrest, cardiovasc disease, cardiovasc system, chemical, chemical exposure, compressed air, corrosive, dust, engineering controls, equipment operator, forklift, heart, heart attack, inhalation, lack of engi
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