Page 91 - Microsoft Word -Cow Book 10-06-09 final update.doc

necessary controls. (Requires 6 month sampling, proper protection, no
submerged inlets, etc).

 Installation of “frost-free" hydrant (with internal drain) directly on the well
slab or within 10 feet of the supply casing or in areas whereby the supply
may become contaminated (cattle housing area, cowyard, adjacent to
stock watering founts, etc). These installations may be acceptable if the
hydrant is equipped with an acceptable back flow preventer or hose bibb
type vacuum breaker.

 Use of untreated surface water (ponds, ditches, etc) or other unaccept-
able water supplies for udder washing and or sanitizing, the cleaning of
milking area surfaces (floors, walls, etc) or other non-product contact sur-
faces (outside of pipelines, milking units, receiver units) is a violation of
this item.

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