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HHE Report No. HETA-83-381-1411, Riverfront Stadium, Cincinnati, Ohio.

Authors
Reed-LD; Blanc-P; Hartle-RW; Hull-RD
Source
NIOSH 1984 Jan:13 pages
Link
NIOSHTIC No.
00178916
Abstract
In response to a request from an employee of the Cincinnati Reds groundskeeping crew at the Riverfront Stadium (SIC-9999), Cincinnati, Ohio, an evaluation was made of possible hazardous exposures to ammonia (7664417) during the removal of painted lines from the artificial turf. Anhydrous ammonia was used between football and baseball games during season overlap to remove the water based acrylic painted lines from the turf. Converting the lines requires about 6 hours. A sample of the anhydrous ammonia used to remove the paint was analyzed and found to contain 20 percent ammonia. Short term ammonia levels ranged from 20 parts per million (ppm) to 350ppm; the NIOSH recommended short term exposure limit was 50ppm. Airborne ammonia concentrations from 18 personal samples ranged from 11.9 to 52.4ppm. The time weighted average values (TWA) were determined to range from 8.9 to 39.3ppm; the OSHA limit was 50ppm. Medical questionnaires given to 29 workers indicated that 100 percent experienced eye irritation, over 50 percent experienced skin irritation and nearly 90 percent experienced respiratory irritation during the process. Respirators were available, but they were old and had been poorly maintained. Some workers wore gloves and goggles. The authors conclude that a real hazard existed from exposure to ammonia during line removal operations. The authors recommend that the strength of the solution be reduced to 8 percent ammonia, respiratory protection be upgraded, all employees wear goggles or face shields to prevent eye irritation, and gloves, aprons, and boots be worn to minimize skin irritation.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-83-381-1411; Region-5; Hazard-Confirmed; Vapors; Eye-irritants; Respiratory-irritants; Cleaning-compounds; Solvents; Paint-removers;
CAS No.
7664-41-7;
Publication Date
19840101
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1984
NTIS Accession No.
PB85-181212
NTIS Price
A03
Identifying No.
HETA-83-381-1411
NIOSH Division
DSHEFS;
SIC Code
9999;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-83-381-1411, 13 pages, 6 references,
State
OH;
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