ASTM D4979-95
(Test Method)Standard Test Method for Physical Description Screening Analysis in Waste
Standard Test Method for Physical Description Screening Analysis in Waste
SCOPE
1.1 This test method is used to identify wastes by describing certain physical properties. It has been developed as a rapid but effective means for visually screening wastes.
1.2 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. Specific hazard information is given in Section 7 and 9.1.6.1.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 4979 – 95
Standard Test Method for
Physical Description Screening Analysis in Waste
This standard is issued under the fixed designation D 4979; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 6.2 Clear Glass Sample Containers.
1.1 This test method is used to identify wastes by describing
7. Hazards
certain physical properties. It has been developed as a rapid but
7.1 Avoid inhalation and skin or eye contact, or both, with
effective means for visually screening wastes.
any hazardous materials.
1.2 This standard does not purport to address all of the
7.2 This procedure must be carried out within a laboratory
safety concerns, if any, associated with its use. It is the
fume hood.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
8. Sampling
bility of regulatory limitations prior to use. Specific hazard
8.1 Samples should be obtained in clear glass containers.
information is given in Section 7 and 9.1.6.
8.2 Liquid samples may require time to stabilize (that is,
until layers reform).
2. Terminology
8.3 It may be helpful to pick up the sample container and
2.1 Description of Term Specific to This Standard:
tilt, rotate, swirl, invert it or to manipulate the sample with a
2.1.1 screening analysis—a preliminary qualitative or semi-
clean, disposable spatula or eye dropper.
quantitative test that is designed to efficiently give the user
8.4 If necessary, allow the sample to come to room tem-
specific information about a waste that will aid in determining
perature in a sealed container. For example, frozen material
waste identification, process compatibility, and safety in han-
should be allowed to thaw completely.
dling.
9. Procedures
3. Summary of Test Method
9.1 Inspect the waste sample and describe the physical
3.1 Samples are inspected and the physical appearance is
attributes noting the following areas.
recorded, including color, turbidity, viscosity, physical state,
9.1.1 Color—Describe the visual color of the sample. If
layering, and any other observable attribute (for example,
more than one color is present, list colors in decreasing order
texture).
of prominence. Additional descriptive terms may be useful (for
4. Significance and Use example, purple with swirls of blue and flecks of yellow).
9.1.2 Turbidity—Describe liquid samples or liquid portions
4.1 This test method is intended for use by those in the
of samples in terms of clear (transparent), cloudy (translucent),
waste management industries to aid in describing the physical
or opaque.
characteristics of waste.
9.1.3 Viscosity—Describe the viscosity of liquids and slud-
4.2 This test method can be used in identifying discrepan-
ges. Describe viscosity in reference to viscosity like water,
cies between the waste, manifest, and historical descriptions.
medium viscosity like syrup or motor oil, or high viscosity like
5. Interferences
molasses or warm tar. Tip the container sideways or invert to
note the viscosity. If a sample is tipped 90° for 5 s and has no
5.1 Opaque sample containers require removal of a repre-
visible flow, report it as such.
sentative sample sufficient for complete observation. It is
9.1.4 Physical State—Describe as liquid, solid, sludge,
recomme
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