Health Hazard Evaluation Report: HETA-84-204-1600: Dental Health Associates; Paoli, Pennsylvania

Crandall, Michael S.

doi:10.26616/NIOSHHETA842041600

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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

Health Hazard Evaluation Report: HETA-84-204-1600: Dental Health Associates; Paoli, Pennsylvania

1985/06/01
By Crandall, Michael S.
Series: Health Hazard Evaluation Reports (HHE)

[PDF-2.63 MB]

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Details:

Personal Author:

Crandall, Michael S.
Corporate Authors:

National Institute for Occupational Safety and Health
Description:

Area air and breathing zone samples were analyzed for nitrous-oxide (10024972) at Dental Health Associates (SIC-8021), Paoli, Pennsylvania on August 2, 1984. The evaluation was requested by a dental assistant because of general concern about the extent of nitrous-oxide exposure, especially since the office was not equipped with a waste anesthetic gas scavenging system. Breathing zone nitrous-oxide concentrations of two dentists averaged 2,270 and 1,270 parts per million (ppm) during procedures lasting 20 and 11 minutes, respectively. The attending dental assistant received exposures of 670ppm during each procedure. The NIOSH recommended standard for nitrous-oxide is 50ppm. Area air exposures ranged from 30 to 160ppm. Prior to any nitrous-oxide use, a 22ppm background concentration was measured. The author concludes that the high nitrous-oxide exposures constitute a health hazard at the facility. The author recommends installing a waste anesthetic gas scavenging system with a dedicated exhaust. The nitrous-oxide delivery and mixing system should be checked for leaks monthly and work practices for handling nitrous-oxide should be improved.
Subjects:

[+]

Air Pollutants, Occupational Occupational Health Respiratory System Safety
Keywords:

[+]

Anesthetic Breathing Breathing-atmospheres Dentistry Gases Hazards-Confirmed HETA-84-204-1600 Inhalants NIOSH-Author NIOSH-Health-Hazard-Evaluation NIOSH-Technical-Assistance-Report Nitrous Oxide Offices Of Dentists OSHA Region 3 Respirators
Series:

Health Hazard Evaluation Reports (HHE)
Subseries:

Health Evaluation and Technical Assistance (HETA)
DOI:

https://doi.org/10.26616/NIOSHHETA842041600
Publisher:

National Institute for Occupational Safety and Health
Document Type:

Text
Genre:

Field Study
Place as Subject:

Pennsylvania ; OSHA Region 3

Pennsylvania ; OSHA Region 3 Less -
CIO:

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

DSHEFS - Division of Surveillance, Hazard Evaluations, and Field Studies
Topic:

Workplace Safety & Health
Location:

North America
Pages in Document:

1-12
NIOSHTIC Number:

00131495
NTIS Accession Number:

PB86-145356
Citation:

Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HETA 84-204-1600, 1985 Jun; :1-12
CAS Registry Number:

Nitrous oxide (CAS RN 10024-97-2)
Federal Fiscal Year:

1985
Peer Reviewed:

False
NAICS and SIC Codes:

8021 - Offices and clinics of dentists - (SIC 1987)
Resource Number:

HETA-84-204-1600
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

[+]

urn:sha-512:c7d26deb74a32a788449926f921e34d4852e49992aa0e9abd09978cb77c835337606513e2c71f58b5b29743e9a01e62689e1e7f3f0535cb194195265e0fc6d7a
Download URL:

https://stacks.cdc.gov/view/cdc/172930/cdc_172930_DS1.pdf
File Type:

No Additional Files

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Health Hazard Evaluation Report: HETA-84-204-1600: Dental Health Associates; Paoli, Pennsylvania

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