Now that we are attending meetings in-person again, this presents an opportunity for OWM staff to provide some of our training directly to our stakeholders while we are all together at the various weights and measures association meetings. As the hosts for the Fall 2022 Western Weights and Measures Association (WWMA) meeting, Orange County (CA) Weights and Measures organized and coordinated an in-person training for attendees that included a session from NIST OWM on testing packaged mulch and soil using the test procedure in NIST Handbook 133 Section 3.10. Mulch and Soils Labeled by Volume. Over 45 officials were in attendance people across 9 states (AK, AZ, CA, CO, ID, MT, NV, NM, and UT).
Believe it or not, there are some big differences between mulch and soils when it comes to determining the volume of packages using the Handbook 133 test procedure. Specifications are provided in the test procedure for constructing the various size test measures needed to ensure the proper size test measure is used that must accommodate the entire contents of the packaged being tested.
Here are some general definitions for mulch and soil as found in the test procedure:
Mulch is defined as “any product or material except peat or peat moss that is advertised, offered for sale, or sold for primary use as a horticultural, above-ground dressing, for decoration, moisture control, weed control, erosion control, temperature control, or other similar purposes.”
Soil is defined as “any product or material, except peat or peat moss that is advertised or offered for sale, or sold for primary use as a horticultural growing media, soil amendment, and/or soil replacement.”
Even though these ho ..
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