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HHE Report No. HETA-86-092-1870, 50 Staniford Street Office Building, Boston, Massachusetts.

Authors
Kominsky-JR
Source
NIOSH 1988 Feb:53 pages
NIOSHTIC No.
00179860
Abstract
In response to a request from Charles River Park Properties, a study was made of possible hazardous conditions at the 50 Staniford Street Office Building (SIC-9199), Boston, Massachusetts. Particular attention was given to polychlorinated-biphenyls (1336363) (PCBs), polychlorinated dibenzofurans (PCDFs), and polychlorinated dibenzo-p- dioxins (PCDDs) in air and on surfaces. A fire had occurred in an electrical transformer containing Aroclor-1254 (11097691), in the upper basement. Ventilation carried soot throughout the upper basement area and possibly to other building areas. Sixteen air samples analyzed for PCBs indicated residual air concentrations in the building ranging from below the level of detection to 0.46 micrograms/cubic meter. Twelve samples analyzed for PCDF/PCDDs gave levels ranging from 0.003 to 1.7 picograms/cubic meter. Of 339 wipe samples, 32 percent failed to detect PCBs, 67 percent detected measurable levels of PCBs less than 25 micrograms/square meter (microg/m2), and 1 percent contained PCBs at levels ranging from 25 to less than 50microg/m2. The highest of 58 samples taken on interior heating, ventilation and air conditioning surfaces exceeded 50microg/m2. Two samples exceeded the 1 nanogram/square meter (ng/m2) guideline for PCDF/PCDDs. One was 1.2ng/m2 on a wood paneled wall which has since been removed. The other was 2.7ng/m2 on the floor of the transformer vault which has since been encapsulated. The author concludes that the building is acceptable for occupancy.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-86-092-1870; Region-1; Hazard-Unconfirmed; Chlorinated-hydrocarbons; Office-workers;
CAS No.
1336-36-3; 11097-69-1;
Publication Date
19880201
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1988
NTIS Accession No.
PB88-224522
NTIS Price
A05
Identifying No.
HETA-86-092-1870
NIOSH Division
DSHEFS;
SIC Code
9199;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-86-092-1870, 53 pages, 17 references
State
MA; OH;
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