In-Depth Survey Report: Mixing thinset mortar in a 5 gallon bucket with a dust control

Echt, Alan S.; Qi, Chaolong

doi:10.26616/NIOSHEPHB38113a

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CDC STACKS serves as an archival repository of CDC-published products including scientific findings, journal articles, guidelines, recommendations, or other public health information authored or co-authored by CDC or funded partners. As a repository, CDC STACKS retains documents in their original published format to ensure public access to scientific information.

i

In-Depth Survey Report: Mixing thinset mortar in a 5 gallon bucket with a dust control

2018/11/01
By Echt, Alan S. ; Qi, Chaolong
Series: Engineering and Physical Hazards Survey Reports

[PDF-3.33 MB]

English

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Details:

Alternative Title:

In-Depth Survey Report: Mixing Thinset Mortar in a 5 Gallon Bucket with a Dust Control, International Union of Bricklayers and Allied Craftworkers Southern Ohio-Kentucky Regional Training Center, Batavia
Personal Author:

Echt, Alan S. ; Qi, Chaolong

Echt, Alan S. ; Qi, Chaolong Less -
Corporate Authors:

National Institute for Occupational Safety and Health. Division of Applied Research and Technology
Description:

Background: Workplace exposure to respirable crystalline silica can cause silicosis, a progressive lung disease marked by scarring and thickening of the lung tissue. Several construction materials, such as brick, block, mortar and concrete contain crystalline silica. Construction tasks that cut, break, grind, abrade, or drill those materials have been associated with overexposure to dust containing respirable crystalline silica. Assessment: NIOSH staff visited the Bricklayers and Allied Craftworkers' Southern Ohio-Kentucky Regional Training Center, Batavia, Ohio on December 19, 2017 and performed industrial hygiene sampling, which measured exposures to respirable dust and respirable crystalline silica while an experienced bricklayer used a handheld electric mixer to mix thinset mortar and water in a 5 gallon plastic bucket with and without a dust control attached to the rim of the bucket. Results: Personal breathing zone respirable dust measurements showed that the dust control reduced exposure by 84%. Unfortunately, the sampling periods were too short to measure the reduction in quartz exposures. Conclusions and Recommendations: Full-shift sampling should be conducted during a tile setting job to determine how well this control works under actual working conditions.
Subjects:

[+]

Accidents, Occupational Occupational Health Safety
Keywords:

[+]

Bricklayers Construction Construction Industry Construction Workers Craft Union Apprenticeship Training Programs Crystalline Silica Dust Dust Control Dust Control Equipment Dust Exposure Dust Particles Dusts Engineering Controls Lung Disease Lung Disorders Masons Mixing Mortar Particulate Dust Respirable Crystalline Silica Respirable Dust Respiratory System Disorders Silica Silica Dusts Silicosis Thinset
Series:

Engineering and Physical Hazards Survey Reports
DOI:

10.26616/NIOSHEPHB38113a
Publisher:

National Institute for Occupational Safety and Health
Document Type:

Text
Name as Subject:

International Union of Bricklayers and Allied Craftworkers
Genre:

Field Study
Place as Subject:

Ohio ; Batavia (Ohio) ; OSHA Region 5

Ohio ; Batavia (Ohio) ; OSHA Region 5 Less -
CIO:

National Institute for Occupational Safety and Health (NIOSH)
Division:

DART - Division of Applied Research and Technology ; EPHB - Engineering and Physical Hazards Branch

DART - Division of Applied Research and Technology ; EPHB - Engineering and Physical Hazards Branch Less -
Topic:

Workplace Safety & Health
Location:

North America
Pages in Document:

1-18
NIOSHTIC Number:

20057244
Citation:

Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, EPHB 381-13a, 2018 Nov; :1-18
CAS Registry Number:

Quartz (SiO2) (CAS RN 14808-60-7)
Federal Fiscal Year:

2019
NORA Priority Area:

Construction
Peer Reviewed:

False
NAICS and SIC Codes:

611513 - Apprenticeship Training - (NAICS 2017)
Resource Number:

EPHB-381-13a
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

[+]

urn:sha-512:06676acd5d36065404cd78966e4ee674fc18524085b532993131f3ccf4521a4f8b88551085b914f17fc4fe12aa78453ebaa23bef5efe7a9eeb36c78d595babba
Download URL:

https://stacks.cdc.gov/view/cdc/175040/cdc_175040_DS1.pdf
File Type:

No Additional Files

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In-Depth Survey Report: Mixing thinset mortar in a 5 gallon bucket with a dust control

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