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USCL
Test Methods
[U.
S.
CUSTOMS LABORATORY METHODS]
NAFTA
Harmonized Laboratory Methods
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Customs
- Method |
Description |
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USCL
27-01 |
API
Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method) |
|
USCL
27-02 |
Density,
Specific Gravity and API Gravity by Hydrometer |
|
USCL
27-04 |
Water
Content by Distillation |
|
USCL
27-06 |
Sediment
in Crude Oils and Fuel Oils by the Extraction Method |
|
USCL
27-08 |
Distillation
of Petroleum Products |
|
USCL
27-11 |
Kinematic
Viscosity |
|
USCL
27-13 |
sulfur
by x-ray |
|
USCL
27-22 |
Specifications
for Fuel Oils (Group) |
|
USCL
27-23 |
Specifications
for Diesel Fuels (Group) |
|
USCL
27-25 |
Specification
for Gas Turbine Oils (Group) |
|
USCL
27-29 |
Specifications
for Kerosene (Group) |
|
USCL
27-32 |
Congealing
Point of Petroleum Waxes |
|
USCL
27-34 |
Full
Scale Cone Penetration |
|
USCL
27-35 |
Cone
Penetration of Petrolatum |
|
USCL
27-39 |
Oil
Content of Petroleum Wax |
|
USCL
34-04 |
Knock
Characteristics of Motor Fuel by Research Method |
|
USCL
34-07 |
Quantitation of Paraffin in Beeswax and Other Waxes By High Temperature Capillary Gas Chromatography |
|
USCL
39-07 |
UV
Absorbance and Absorptivity |
|
USCL
39-15 |
Extractable
Matter in Textiles |
|
USCL
50-09 |
General
Techniques for Infrared Quantiative Analysis |
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USCL
Test Methods [
U.
S.
CUSTOMS LABORATORY METHODS]
NAFTA
Harmonized Laboratory Methods
The
North American Free Trade Agreement (NAFTA) established a framework for further
trilateral and multilateral cooperation to enhance the benefits of the
Agreement. During the negotiations and implementation phase for NAFTA, the
Customs administrations of the
United States
,
Canada
and
Mexico
recognized the need to develop a cooperative trilateral framework to jointly
address issues which were quickly becoming critical for conduct of business
between the three countries in view of the rapidly increasing level of trade. To
meet this need a "Trilateral Heads of Customs Conference" (HCC) was
established. Article 906 of the NAFTA requires the Parties to the Agreement, to
the greatest extent possible, to make compatible their standards-related
measures so as to facilitate trade and promote the compatibility of a specific
standard or conformity assessment procedure. In 1993 the HCC established the
NAFTA Laboratory Working Group (LWG) to focus on technical and scientific issues
of Customs administration. One of the primary tasks of the LWG is to establish
harmonized laboratory methods for analytical determinations made in the Customs
laboratories of the three countries.
The methods listed in this table have been accepted by the
Customs laboratories of
Canada
,
Mexico
and the
United States
for the purpose of determining
the specified physical and chemical properties required for Customs processing,
including admissibility and classification within the Harmonized Tariff System.
For convenience of access, methods are listed in the table according to the
principal area(s) of application in relation to the Chapters of the Harmonized
Tariff System.
Methods cited in this table from standards organizations
may be purchased directly from the publishing organization. Customs Laboratory
methods identified by the Method prefix "NHM" are available from U.S.
Customs, Laboratories and Scientific Services. Additional methods will be added
to the table as agreement is reached by the laboratories of the three countries
Privacy Statement This
is an official Web site of the United States Customs Service and is provided as
a public service. Information presented on the site is considered public
information and may be distributed or copied for non-commercial purposes, except
where third party copyright notification exists. Use of appropriate
byline/photo/image credits is requested
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Our
laboratory uses the methods and standards of this organization
and/or
established industry standards.
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