World Bank ToxInt Database 1996

World, 1996

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Reference ID

WLD_1996_TID_v01_M

Producer(s)

David Wheeler, Mala Hettige and Manjula Singh

Metadata

DDI/XML JSON

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Created on

Nov 07, 2011

Last modified

Mar 29, 2019

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Threshold Limit Values (tlv)

Data file: WLD_1996_TID_v01_M

Overview

Valid: 2384

Invalid: 776

Minimum: 0.002

Maximum: 7670

Mean: 310.019

Standard deviation: 1036.601

Type: Continuous

Decimal: 0

Start: 79

End: 87

Width: 9

Range: -

Format:

Description

Definition

TLV’s are measures of safe toxic exposure levels, as determined by the American Conference of Governmental Industrial Hygienists (ACGIH). They are time-weighted average concentrations in air that cannot be exceeded without adverse effects for workers in a normal 8-hour work day and a 40-hour work week. TLV’s are updated annually by the ACGIH. This data uses 1996 values.

All TLV’s units are in milligrams per cubic meter. In cases where no TLV measurement is provided for a chemical, it is because no guideline had been provided by the ACGIH. Also please note that not all toxics are released by plants in all sectors, so that for a particular toxic, the omission of a sector row implies zero output of the toxic from that sector.

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