ASTM D5539-14 PDF

Scope: 1.1 This specification covers the material characteristics, physical requirements, and sampling appropriate to the designation of a soil or soil-like material for seed starting purposes. This would consist of the duration of germination ending after the cotyledon stage (at the opening of the first true leaves).

1.2 Seed starter mix may include natural soils and artificial mixtures of natural or artificial materials used for the initial germination of seeds to the cotyledon stage.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. Alternate sieve designations in parentheses are as provided in Specification E11.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

ASTM D5539-14 Referenced Document

ASTM C330 Standard Specification for Lightweight Aggregates For Structural Concrete
ASTM C331 Standard Specification for Lightweight Aggregates for Concrete Masonry Units
ASTM D2607
ASTM D4531 Standard Test Methods for Bulk Density of Peat and Peat Products
ASTM D653 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM E11 Standard Specification for Wire Cloth and Sieves for Testing Purposes