Standard Test Method for Determination of Deposition of Aerially Applied Oil Spill Dispersants

SIGNIFICANCE AND USE
3.1 The deposition of an aerially applied dispersant is defined as the amount of an aerially applied dispersant that contacts the surface; whereas, application dosage (frequently referred to as application rate) is the amount of material that is released per unit area by the delivery system. The units of deposition are litres per hectare or U.S. gallons per acre. The deposition may differ from the application dosage (volume of material per unit area) for many reasons, such as, the effects of wind on the spray and the evaporation of the dispersant after it has been released from the aircraft.  
3.2 This test method describes the measurement of the ability of a spray system to deposit a dispersant on oil. It is not intended that this test method be used at the time of a spill. These techniques are intended to determine the equipment performance during the development of new systems and after the repair or significant modification of a system.  
3.3 The data obtained from the use of this test method can be directly related to the deposition of dispersant on an oil slick, and thus can serve to determine both the dispersant deposition and the droplet size.  
3.4 Surrogate deposition and droplet size data can be used as a technical basis for the optimization of dispersant application equipment and its use.  
3.5 The choice of a dispersant surrogate may vary, typically water is chosen along with a marker dye.
SCOPE
1.1 This test method covers the measurement of the deposition of an aerially applied dispersant surrogate, typically dyed water, on the surface of the ground or water. The test method of obtaining these measurements is described, and the analysis of the results, in terms of dispersant use, is considered. There are a number of techniques that have been developed, and this test method outlines their application. These measurements can be used to confirm or verify the specifications of a given equipment set, its proper functioning, and use.  
1.2 This test method is applicable to systems used with helicopters or airplanes.  
1.3 This test method is one of four related to dispersant application systems. Guide F1413_F1413 covers design, Practice F1460/F1460M covers calibration, Test Method F1738 covers deposition, and Guide F1737/F1737M covers the use of the systems. Familiarity with all four standards is recommended.  
1.4 There are some exposure and occupational health concerns regarding the methods described. These are not discussed in this test method since they are a function of dispersant formulation. Anyone undertaking such experiments should consult the occupational health experts of the dispersant manufacturer regarding the precautions to be used.  
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.6 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.

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F1738 − 15
Standard Test Method for
Determination of Deposition of Aerially Applied Oil Spill
1
Dispersants
This standard is issued under the fixed designation F1738; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This test method covers the measurement of the depo-
E642 Practice for Determining Application Rates and Dis-
sitionofanaeriallyapplieddispersantsurrogate,typicallydyed
tribution Patterns from Aerial Application Equipment
water, on the surface of the ground or water. The test method
E1260 Test Method for Determining Liquid Drop Size
of obtaining these measurements is described, and the analysis
Characteristics in a Spray Using Optical Nonimaging
of the results, in terms of dispersant use, is considered. There
Light-Scattering Instruments
are a number of techniques that have been developed, and this
F1413_F1413 Guide for Oil Spill Dispersant Application
testmethodoutlinestheirapplication.Thesemeasurementscan
Equipment: Boom and Nozzle Systems
be used to confirm or verify the specifications of a given
F1460/F1460M Practice for Calibrating Oil Spill Dispersant
equipment set, its proper functioning, and use.
Application Equipment Boom and Nozzle Systems
1.2 This test method is applicable to systems used with
F1737/F1737M Guide for Use of Oil Spill Dispersant Ap-
helicopters or airplanes.
plication Equipment During Spill Response: Boom and
Nozzle Systems
1.3 This test method is one of four related to dispersant
3
2.2 ASAE/ASABE Standard:
application systems. Guide F1413_F1413 covers design, Prac-
ASAE/ASABE S561.1 (R2013) Procedure for Measuring
tice F1460/F1460M covers calibration, Test Method F1738
Drift Deposits from Ground, Orchard, andAerial Sprayers
covers deposition, and Guide F1737/F1737M covers the use of
- Standard by The American Society of Agricultural and
the systems. Familiarity with all four standards is recom-
Biological Engineers
mended.
3. Significance and Use
1.4 There are some exposure and occupational health con-
cernsregardingthemethodsdescribed.Thesearenotdiscussed
3.1 The deposition of an aerially applied dispersant is
in this test method since they are a function of dispersant
defined as the amount of an aerially applied dispersant that
formulation. Anyone undertaking such experiments should
contacts the surface; whereas, application dosage (frequently
consult the occupational health experts of the dispersant
referred to as application rate) is the amount of material that is
manufacturer regarding the precautions to be used.
released per unit area by the delivery system. The units of
deposition are litres per hectare or U.S. gallons per acre. The
1.5 The values stated in SI units are to be regarded as
deposition may differ from the application dosage (volume of
standard. No other units of measurement are included in this
material per unit area) for many reasons, such as, the effects of
standard.
wind on the spray and the evaporation of the dispersant after it
1.6 This standard does not purport to address all of the
has been released from the aircraft.
safety concerns, if any, associated with its use. It is the
3.2 This test method describes the measurement of the
responsibility of the user of this standard to establish appro-
ability of a spray system to deposit a dispersant on oil. It is not
priate safety and health practices and determine the applica-
intended that this test method be used at the time of a spill.
bility of regulatory limitations prior to use.
These techniques are intended to determine the equipment
1 2
This test method is under the jurisdiction of ASTM Committee F20 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Hazardous Substances and Oil Spill Response and is the direct responsibility of contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Subcommittee F20.13 on Treatment. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved March 1, 2015. Published April 2015. Originally the ASTM website.
3
approved in 1996. Last previous edition approved in 2010 as F1738 –10. DOI: Available from American Society of Agricultural and Biological Engineers
10.1520/F1738-15. (ASABE), 2950 Niles Road, St. Joseph, MI 49085, http://www.asabe.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F1738 − 15
performance during the development of new systems and after group. The dat
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F1738 − 10 F1738 − 15
Standard Test Method for
Determination of Deposition of Aerially Applied Oil Spill
1
Dispersants
This standard is issued under the fixed designation F1738; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method covers the measurement of the deposition of an aerially applied dispersant surrogate, typically dyed water,
on the surface of the ground or water. The test method of obtaining these measurements is described, and the analysis of the results,
in terms of dispersant use, is considered. There are a number of techniques that have been developed, and this test method outlines
their application. These measurements can be used to confirm or verify the specifications of a given equipment set, its proper
functioning, and use.
1.2 This test method is applicable to systems used with helicopters or airplanes.
1.3 This test method is one of four related to dispersant application systems. Guide F1413F1413_F1413 covers design, Practice
F1460F1460/F1460M covers calibration, Test Method F1738 covers deposition, and Guide F1737F1737/F1737M covers the use
of the systems. Familiarity with all four standards is recommended.
1.4 There are some exposure and occupational health concerns regarding the methods described. These are not discussed in this
test method since they are a function of dispersant formulation. Anyone undertaking such experiments should consult the
occupational health experts of the dispersant manufacturer regarding the precautions to be used.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 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.
2. Referenced Documents
2
2.1 ASTM Standards:
E642 Practice for Determining Application Rates and Distribution Patterns from Aerial Application Equipment
E1260 Test Method for Determining Liquid Drop Size Characteristics in a Spray Using Optical Nonimaging Light-Scattering
Instruments
F1413F1413_F1413 Guide for Oil Spill Dispersant Application Equipment: Boom and Nozzle Systems
F1460F1460/F1460M Practice for Calibrating Oil Spill Dispersant Application Equipment Boom and Nozzle Systems
F1737F1737/F1737M Guide for Use of Oil Spill Dispersant Application Equipment During Spill Response: Boom and Nozzle
Systems
3
2.2 ASAE/ASABE Standard:
ASAE/ASABE S561.1 (R2013) Procedure for Measuring Drift Deposits from Ground, Orchard, and Aerial Sprayers - Standard
by The American Society of Agricultural and Biological Engineers
3. Significance and Use
3.1 The deposition of an aerially applied dispersant is defined as the amount of an aerially applied dispersant that contacts the
surface; whereas, application dosage (frequently referred to as application rate) is the amount of material that is released per unit
1
This test method is under the jurisdiction of ASTM Committee F20 on Hazardous Substances and Oil Spill Response and is the direct responsibility of Subcommittee
F20.13 on Treatment.
Current edition approved April 1, 2010March 1, 2015. Published April 2010April 2015. Originally approved in 1996. Last previous edition approved in 20072010 as
F1738 – 96F1738(2007). –10. DOI: 10.1520/F1738-10.10.1520/F1738-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Society of Agricultural and Biological Engineers (ASABE), 2950 Niles Road, St. Joseph, MI 49085, http://www.asabe.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F1738 − 15
area by the delivery system. The units of deposition are litres per hectare or U.S. gallons per acre. The deposition may differ from
the application dosage (volume of material per unit area) for many reasons, such as, the effects of wind on the spray and the
eva
...

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