21,143 sections across 2,050 Iowa regulatory chapters.
R.21—85.2 Weights and measures
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85.2(1) The specifications, tolerances and regulations for commercial weighing and measuring devices, together with amendments thereto, as recommended by the National Institute of Standards and Technology (NIST) and published in NIST Handbook 44 amended or revised as of January 1…
R.21—85.20 Motor fuel and antifreeze tests and standards
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85.20(1) In the interest of uniformity, the tests and standards for motor fuel, including but not limited to renewable fuels such as ethanol blended gasoline, biodiesel, and biodiesel blended fuel, and components such as an oxygenate, raffinate natural gasoline and motor vehicle …
R.21—85.21 Tolerances on petroleum products measuring devices. All pumps or meters at filling
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stations may have a tolerance of not over five cubic inches per five gallons, minus or plus. All pumps or measuring devices of a large capacity shall have a maintenance tolerance of 50 cubic inches, minus or plus, on a 50-gallon test. An additional one-half cubic inch tolerance s…