0:00 Introduction
3:12 Preparing a Test Pit
5:24 Structure
9:13 Texture
16:56 Gravel and Sieves
21:17 Color
23:27 Water Table and Restrictive Layers
26:19 Conclusion
Field resources:
Tool kit list: docs.google.com/document/d/1kzOSTp4NgnXUNm96_IFg2j-sKjAMaoI353o4fzgJ9EM/edit?usp=sharing
Soil texture flow chart: drive.google.com/file/d/1YnLU8WY1h9GWp43MVCEiQagwPOzC9IZ6/view?usp=sharing
Soil log (record sheet): drive.google.com/file/d/1aPF6GbKHkYaZO9Bt9ZbO60ksj2Ab5rG-/view?usp=sharing
Soil analysis field cards (to print, laminate, use on site): drive.google.com/file/d/1P-WDzbmbahmBrHTSD37Z9peZnFOr5d7u/view?usp=sharing
WA State soil type field cards: drive.google.com/file/d/1slKGm8haA8aFO_MZ8RwYaQytsZgH-lzr/view?usp=sharing
References:
NRCS Field Book for Describing and Sampling Soils: www.nrcs.usda.gov/sites/default/files/2022-09/field-book.pdf
EPA Onsite Wastewater Treatment Systems Manual: www.epa.gov/sites/default/files/2015-06/documents/2004_07_07_septics_septic_2002_osdm_all.pdf
WA Department of Health test pit safety guidance: drive.google.com/file/d/1UhGOx93OqqbBXSmsL1XgrsCXyOSQo_wM/view?usp=sharing
This video was produced by the Wastewater Management Division at Washington State Department of Health
Soil Scientist: Justin Hartmann
Production: Noah Kalb
Attributions:
Platy structure photo 1 © Environment Agency copyright and/or database right 2024. All rights reserved.
Platy structure photo 2 and first Granular Soil photos by John Kelley
Munsell 1943 color solid by Wikimedia user SharkD used under CC BY-SA 3.0
Munsell color system by Jacob Rus used under CC BY-SA 3.0
creativecommons.org/licenses/by/3.0/
Photos for abrupt color change, buried topsoil, and single grain by SoilScience.info used under CC BY 2.0 creativecommons.org/licenses/by/2.0/