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Control technology assessment of petroleum refinery operations, in-depth site report, Delaware Refinery, Delaware City, Delaware.

Authors
Emmel TE; Lee BB
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, ECTB 102-17b, 1983 Feb; :1-52
NIOSHTIC No.
00130208
Abstract
Employee exposure control techniques associated with petroleum refining operations were identified. A site visit was made to Getty Refining and Marketing Company's Delaware Refinery (SIC-2911) in Delaware City, Delaware. The exposure controls studied were at the oil water separation area around the waste water treatment facility and at the benzene (71432) and aromatics product loading facilities. Improved oil water separation facilities and a sour water stripper had been installed at the waste water facility. Hydrogen-sulfide (7783064) concentrations were about 1 part per million (ppm) compared to concentrations of 4 to 5ppm before modifications were initiated. Concentrations of toluene (108883) and xylene (1330207) were minimal. Concentrations of benzene were less than 1ppm compared to an OSHA permissible exposure limit of 10ppm. At the tank loading dock, benzene and aromatic products were metered into tank trucks through a loading arm equipped with a dripless connector. The resultant seal minimized the potential for leaks and spills during loading. Fugitive vapors were recovered via a carbon-dioxide eductor and a flexible hose attached to the tank truck. Long term personal and area sampling indicated that the OSHA permissible limit of 10ppm was not exceeded for benzene, toluene, or xylene.
Keywords
NIOSH-Author; NIOSH-Survey; NIOSH-Contract; Petroleum-industry; Field-Study; Petroleum-refining; Solvents; Chemical-processing; Region-3; Time-weighted-average-exposure; Petroleum-products
CAS No.
71-43-2; 7783-06-4; 108-88-3; 1330-20-7
Publication Date
19830201
Document Type
Field Studies; Control Technology
Funding Type
Contract
Fiscal Year
1983
NTIS Accession No.
PB84-146901
NTIS Price
A05
Identifying No.
ECTB-102-17b; Contract-210-81-7102
NIOSH Division
DPSE
SIC Code
2911
Source Name
National Institute for Occupational Safety and Health
State
DE; OH; UT
Performing Organization
Radian Corporation, Salt Lake City, Utah
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