D18.22 Jurisdiction Page

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Subcommittee D18.22 on Media for Plant Growth

Matching Standards Under the Jurisdiction of D18.22 by Status

Active 16 matching standards

D1997-20 Standard Test Method for Laboratory Determination of the Fiber Content of Peat and Organic Soils by Dry Mass

- See also WK90762 proposed reapproval

- See also WK82195 proposed revision

D2944-22 Standard Practice of Sampling Processed Peat Materials for Horticultural Purposes

- See also WK89330 proposed revision

D2973-23 Standard Test Method for Total Nitrogen in Peat Materials

- See also WK83215 proposed revision

D2974-20e1 Standard Test Methods for Determining the Water (Moisture) Content, Ash Content, and Organic Material of Peat and Other Organic Soils

- See also WK82187 proposed revision

D2976-22a Standard Test Method for pH of Peat Materials

- See also WK71801 proposed revision

D2977-22 Standard Practice for Particle Size Range of Peat Materials for Horticultural Purposes

- See also WK89351 proposed revision

D2978-23 Standard Test Method for Volume of Peat and Peat-Based Growing Media

- See also WK89331 proposed revision

D2980-17e1 Standard Test Method for Saturated Density, Moisture-Holding Capacity, and Porosity of Saturated Peat Materials

- See also WK82188 proposed revision

D4531-23 Standard Test Methods for Bulk and Dry Density of Peat and Peat Products

- See also WK89332 proposed revision

- See also WK66817 proposed revision

D4544-20(2024) Standard Practice for Estimating Peat Deposit Thickness

- See also WK89355 proposed reapproval

- See also WK89333 proposed revision

D4972-19 Standard Test Methods for pH of Soils

- See also WK71770 proposed revision

- See also WK90116 proposed reapproval

- See also WK82189 proposed revision

D5268-23 Standard Specification for Topsoil Used for Landscaping and Construction Purposes

- See also WK85984 proposed revision

D5715-23 Standard Practice for Estimating the Degree of Humification of Peat and Other Organic Soils (Visual/Manual Method)

- See also WK89334 proposed revision

D5883-18 Standard Guide for Use of Rotary Kiln Produced Expanded Shale, Clay or Slate (ESCS) as a Mineral Amendment in Topsoil Used for Landscaping and Related Purposes

- See also WK89948 proposed revision

- See also WK86749 proposed reapproval

D8249-19(2024) Standard Practice for Use of Rotary Kiln Produced Porous Ceramic as a Mineral Amendment in Topsoil Used for Landscaping and Related Purposes

- See also WK89353 proposed reapproval

- See also WK82190 proposed revision

- See also WK71769 proposed revision

D8438/D8438M-23 Standard Test Methods for Use of Hyperspectral Sensors for Soil Nutrient Analysis of Ground Based Samples

Proposed New 2 matching standards

WK75979 Determination of the electrical conductivity of plant soil substrates
WK86664 Determining the Total Porosity, Container Capacity and Air Space of a Growing Media utilizing a Porometer

Withdrawn, Replaced 4 matching standards

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