NB_430_23_9 - NB 430-23-9 SOI – Comment Period for 430 NSSH § 618.72, “Texture Class, Texture Modifier, and Terms Used in Lieu of Texture”
NB 430-23-9 SOI – Comment Period for 430 NSSH § 618.72, “Texture Class, Texture Modifier, and Terms Used in Lieu of Texture”
National Bulletin: 430-323-9 Date: February 24, 2023
Subject: SOI – Comment Period for 430 NSSH § 618.72, “Texture Class, Texture Modifier, and Terms Used in Lieu of Texture”


Action Required By:  March 31, 2023
 
Purpose.  This national bulletin solicits reviews and comments on proposed changes to 430 NSSH § 618.72, “Texture Class, Texture Modifier, and Terms Used in Lieu of Texture.”
 
Expiration Date.  April 30, 2023
 
Background.  Revisions to 430 NSSH include updating sections:

  • 618.72(A) through 618.72(K) to clarify the information provided.
  • 618.72(A) with a new link to the interactive online soil texture calculator.
  • 618.72(H)(2)(iii) and 618.72(H)(2)(iv) to revise the definition of organic carbon content (by weight).
  • 618.72(H)(2)(x) to remove “gypsiferous material” and revise the definition of coprogenous material.
  • 618.72(H)(3) to clarify how to sequence textural modifiers.
 
Explanation.  Please review the proposed changes to 430 NSSH § 618.72 on the Box site under Proposed Changes (National Soil Survey Handbook). Email comments and edits to Debbie Surabian, National Leader for Standards, at Debbie.Surabian@usda.gov by March 31, 2023.

You may compare the proposed changes with the current wording of 430 NSSH § 618.72, which is on eDirectives.
 
Contact.  Direct questions to Debbie Surabian, National Leader for Standards, at Debbie.Surabian@usda.gov.
 
 

 /s/

LUIS TUPAS
Deputy Chief for Soil Science and Resource Assessment

 
 
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