Selection and standardization of organic wastes using the official standard, by cracking. For the preparation of
organic waste precomposta, was used part of the Mexican Official Standard NMX-AA-15 Method of cracking.
Semarnat 2007[10]. That generally consists of: Garbage collection is concentrated, is classified in organic organic
waste is separated as shown in (Figure3), recommended that thisclassification is carriedout inthe concrete floor,
deployed the quartering methodas shownin (Figure 4), in the trenchorganic wasteis deposited at the heart of
California red worm as illustrated in (Figure 8