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ASTM D1357-95(2000)

Current Revision

Standard Practice for Planning the Sampling of the Ambient Atmosphere

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1.1 The purpose of this practice is to present the broad concepts of sampling the ambient air for the concentrations of contaminants. Detailed procedures are not discussed. General principles in planning a sampling program are given including guidelines for the selection of sites and the location of the air sampling inlet.

1.2 Investigations of atmospheric contaminants involve the study of a heterogeneous mass under uncontrolled conditions. Interpretation of the data derived from the air sampling program must often be based on the statistical theory of probability. Extreme care must be observed to obtain measurements over a sufficient length of time to obtain results that may be considered representative.

1.3 The variables that may affect the contaminant concentrations are the atmospheric stability (temperature-height profile), turbulence, wind speed and direction, solar radiation, precipitation, topography, emission rates, chemical reaction rates for their formation and decomposition, and the physical and chemical properties of the contaminant. To obtain concentrations of gaseous contaminants in terms of weight per unit volume, the ambient temperature and atmospheric pressure at the location sampled must be known.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number D1357
Publication Date Jan. 1, 2000
Language en - English
Page Count 4
Revision Level 95(2000)
Supercedes
Committee D22.03
Publish Date Document Id Type View
Jan. 1, 2000 D1357-95R00 Revision
Aug. 1, 2019 D1357-95R19 Reaffirmation
Oct. 1, 2011 D1357-95R11 Reaffirmation
March 1, 2005 D1357-95R05 Reaffirmation