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  1. Become a Volunteer Today

    https://chadwickarboretum.osu.edu/join-us/become-volunteer-today-0

    is for testing whether you are a human visitor and to prevent automated spam submissions. ...

  2. Liquidambar styraciflua

    https://chadwickarboretum.osu.edu/woody-plants/liquidambar-styraciflua-0

    60–75' and a spread of 40–50' at maturity. This tree grows at a medium to fast rate, with height ... in acidic, loamy, moist, sandy, well-drained, wet and clay soils. It has moderate drought tolerance. ... Features: Star-shaped leaves with 5 lobes (occasionally 7) that are lustrous medium green in color, toothed ...

  3. Hydrogen Sulfide (H2S)

    https://ohiowatersheds.osu.edu/node/1608

    between 1.0 and 10.0 ppm.  This method uses manganese greensand to remove low to moderate levels of ... .  Some people can become used to both the odor and taste of hydrogen sulfide in water as high as 6 ppm ... concentration level of 0.1 parts per million (ppm) recommended by the Ohio Department of Health.  Drinking water ...

  4. Hardness as CaCO3

    https://ohiowatersheds.osu.edu/node/1500

    exceeding 120 ppm should be considered for treatment.  150-600 higher range values in northwestern Ohio ... GENERAL INFORMATION Hardness does not pose a health risk to humans. In fact, calcium and magnesium ... your diet. Hard water classifications: soft 0- 17.1 parts per million (ppm) slightly hard 17.1- 60 ppm ...

  5. Ohio State University Employee Appreciation Tour

    https://chadwickarboretum.osu.edu/events/ohio-state-university-employee-appreciation-tour

    collection.  Available for the first 50 registrants. Please reserve your spot here.  Parking/Bus Service  ...

  6. Spring Plant Sale Fundraiser and Auction

    https://chadwickarboretum.osu.edu/events/spring-plant-sale-fundraiser-and-auction

    OSU student organizations. All plants are chosen to provide a wide variety of time-tested and new ... Pathology Graduate Students Association will offer highly sought after native plants.  The BLM group will ... garden soil Hinton's Apiaries: Local, raw honey Karen's Photography:  Nature Photography from ...

  7. Produce Safety Alliance Grower Training Course

    https://butler.osu.edu/events/produce-safety-alliance-grower-training-course

    course will cover basic produce safety; worker health, hygiene, and training; soil amendments; wildlife, ... farm; how to identify microbial risks, practices that reduce risks; how to begin implementing produce ...

  8. Well Water Interpretation Tool

    https://ohiowatersheds.osu.edu/know-your-well-water/well-water-interpretation-tool

    https://odh.ohio.gov/wps/portal/gov/odh/know-our-programs/private-water-systems-program/welcome. Dissolved gas Carbon Dioxide (CO 2) mg/L ppm Hydrogen Sulfide (H 2 S) mg/L ppm Methane (Dissolved ... in water) mg/L ppm Field parameter pH pH Specific Conductivity umhos/cm uS/cm Total Dissolved Solids ... (TDS) mg/L ppm Total Suspended Solids mg/L ppm Turbidity NTU Inorganic major constituent Alkalinity mg/L ...

  9. Arbor Day Celebration 2022

    https://chadwickarboretum.osu.edu/events/arbor-day-celebration-2022

    rain or shine under the Kottman Hall Patio. Convenient parking for $2.50/hour is located at the Plumb ... Initiative Visual This event is a collaboration between Chadwick Arboretum & Learning Gardens and the OSU ...

  10. Total Dissolved Solids (TDS)

    https://ohiowatersheds.osu.edu/node/1494

    of pipes 1 500.00 ppm mg/L ppm Field parameter ADVISORY- ACTION IS HIGHLY RECOMMENDED TDS levels were ... SMCL SMCL ADVISORY- ACTION IS HIGHLY RECOMMENDED TDS levels between 500-1500 mg/l were detected in your ... experience gastrointestinal irritation from drinking the water.  High TDS levels may indicate elevated levels ...

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