(1) "Compost" means a stable humus-like material produced by the controlled biological decomposition of organic matter through active management, but shall not mean sewage, septage, or materials derived from sewage or septage.

(2) "Fertilizer" shall have the same meaning as in 6 V.S.A. § 363(5).

(3) "Impervious surface" means those manmade surfaces, including paved and unpaved roads, parking areas, roofs, driveways, and walkways, from which precipitation runs off rather than infiltrates.

(4) "Manipulated animal or vegetable manure" means manure that is ground, pelletized, mechanically dried, supplemented with plant nutrients or substances other than phosphorus or phosphate, or otherwise treated to assist with the use of manure as fertilizer.

(5) "Nitrogen fertilizer" means fertilizer labeled for use on turf in which the nitrogen content consists of less than 15 percent slow-release nitrogen.

(6) "Phosphorus fertilizer" means fertilizer labeled for use on turf in which the available phosphate content is greater than 0.67 percent by weight, except that "phosphorus fertilizer" shall not include compost or manipulated animal or vegetable manure.

(7) "Slow-release nitrogen" means nitrogen in a form that is released over time and that is not water-soluble nitrogen.

(8)(A) "Turf" means land planted in closely mowed, managed grasses, including residential and commercial property and publicly owned land, parks, and recreation areas.

(9) "Water" or "water of the State" means all rivers, streams, creeks, brooks, reservoirs, ponds, lakes, springs, and all bodies of surface waters, artificial or natural, that are contained within, flow through, or border upon the State or any portion of it.

(10) "Water-soluble nitrogen" means nitrogen in a water-soluble form that does not have slow-release properties.

(1) No person shall apply phosphorus fertilizer to turf except for:

(2) On or before October 1, 2011, the Secretary of Agriculture, Food and Markets, after consultation with the University of Vermont, shall approve a standard, that may authorize multiple testing methods, for the soil test required under subdivision (1)(A) of this subsection.

(1) to an impervious surface. Fertilizer applied or released to an impervious surface shall be immediately collected and returned to a container for legal application. This subdivision shall not apply to activities regulated under the required agricultural practices as those practices are defined by the Secretary of Agriculture, Food and Markets under 6 V.S.A. § 4810;

(2) to turf before April 1 or after October 15 in any calendar year or at any time when the ground is frozen; or

(3) to turf within 25 feet of a water of the State.

(1) In the retail area where phosphorus fertilizer is accessible by a consumer, display nonphosphorus fertilizer separately from phosphorus fertilizer.

(2) Post in the retail location, if any, where phosphorus fertilizer is accessible by the consumer a clearly visible sign that is at least eight and one-half inches by 11 inches in size and that states "Phosphorus runoff poses a threat to water quality. Most Vermont lawns do not benefit from fertilizer containing phosphorus. Under Vermont law, fertilizer containing phosphorus shall not be applied to lawn unless applied to new lawn or lawn that is deficient for phosphorus as indicated by a soil test."