NW&SA objectives – We actively promote and recognize:

  • Professional knowledge in weighing and sampling disciplines.
  • Accuracy in weighing and sampling equipment along with its proper selection, installation, operation and maintenance.
  • Proper policies for the administration of weighing and sampling programs.
  • Uniform, accurate, and equitable laws, rules and regulations for bulk material weighing and sampling.
  • Continuing education in the weighing and sampling disciplines.
  • Advancement in the state-of-the-art for weighing and sampling.

Our activities – We meet our objectives by:

  • Participating in and monitoring activities of the National Conference on Weights and Measures (NCWM), the American Society of Testing and Materials (ASTM), the National Institute for Standards and Technology (NIST) and the International Standards Organization (ISO).
  • The sponsorship of an annual technical meeting for the presentation and exchange of information by leading industry participants and members, usually in February.
  • The presentation of belt scale and sampling seminars in various locations throughout each year and at our annual technical meeting.
  • The publication and distribution of technical materials on weighing and sampling via our website.
  • Our officers and board are on this  NWSA Org Chart >>>>  NWSA-Org-Chart-Sept-122014 

Our membership – NWSA membership is open to anyone interested in advancing their expertise and knowledge of weighing and sampling. The NWSA includes U.S., Canadian and International members representing:

  • Electric Utility Companies
  • Mines, Quarries and Ports
  • Equipment Manufacturers
  • Analytical Laboratories
  • Professional Consultants
  • Universities and Technical Institutions
  • Federal & State Agencies


NW&SA presents NWSA COAL PREP BASIC TRAINING COURSE at COAL PREP SHOW, Lexington, KY Rupp Arena April 27-29. The FREE training discusses coal sampling theory and weighing theory. The presenters are noted industry experts who know their stuff and connect especially with new hires wanting to learn more. We plan to repeat this event every year as a cosponsor of COALPREP

Our  Sponsors


CDI_LR Kimball logo_No TagTHermo Scientific


Kaskaskia Valley Scale CoSchenck_Process_LogoArcadia Controls Inc

Laffey Equipmentrailscale RLWS_no_tagline
Wheatley Scale SAI LOGO

NWSA Sponsors Banner 2015

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coalsmith logo

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