CA AB2137

Exempts certified laboratory analyses from fertilizer labeling requirements for compost, cocompost, and mulch products until January 1, 2014.

Requires laboratory analysis documentation to include a 12-point boldface statement disclosing that nutrient content may vary due to feedstock variation and biological processes.

Defines "certified laboratory analysis" as analyses performed per California Code of Regulations Article 7 requirements, with specific rules for single-batch versus multi-batch compost products.

Requires certified laboratory analyses to include an appended list of all feedstocks and additives in the compost product.

Sunsets the exemption on January 1, 2014, unless extended by subsequent legislation enacted before that date.