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Methods & Guides

Field Guides

Field Book for Describing and Sampling Soils — standards for observing and recording soil and site characteristics.

Field Indicators of Hydric Soils, version 7.0 (PDF; 5.3 MB)

Soil Survey Office Laboratory References

Soil Survey Field and Laboratory Methods Manual (SSIR 51), version 2.0 (1-31-14; PDF; 10.3 MB)

Particle-size analysis by hydrometer data entry forms (1-31-11; XLS; 386 KB)

Soil Survey Office Laboratory Safety Guide, version 1.0 (6-10-09; PDF; 453 KB)

Material Safety Data Sheets (MSDS) and recommended chemical disposal procedure (10-23-09; PDF; 3.2 MB)


Laboratory Methods and Information

Lab Methods Manual (SSIR 42) - soil laboratory methodology and reference for the laboratory analyst.

Soil Survey Laboratory Information Manual (SSIR 45) - Companion reference to the Laboratory Methods Manual, SSIR No. 42. Sampling methodology, descriptions of KSSL data sheets, and other information to help users of lab data.

Testing Methods for Phosphorus and Organic Matter

KSSL Sample Submission (ZIP; 722 KB) - Worksheets and documentation necessary for KSSL sample submission.