Greater than 5,000 cells per liter causes a shellfish harvest area | | to close or remain closed. Mouse units: Information that results from tests run on shellfish. Samples| | testing less than 20 mouse units (<20 MU) are considered non-toxic. Samples testing 20 or more mouse | | units are considered toxic. Reopening a shellfish harvesting area closed to red tide requires test | | results with less than 5,000 cells of Karenia brevis per liter AND less than 20 mouse units.
Cost to build a single-family house varies greatly by region (and even by zipcode). To get free estimates from local contractors, please indicate yours. $295,000. (2,470 square feet, two-story structure with footprint of 24'x50') Cost to build a single-family house varies greatly by region (and even by zipcode).
  The answer depends on the region you will build in and the quality and type of materials used. On average, the cost per square foot to build an average home is $125 per â¦ square foot.   There are some builders, who build what is called formula homes.That is a home that is built on your property, built to specific designs in a small selection of choices and layouts, exclusive of options. The answer depends on the region you will build in and the quality and type of materials used. On average, the cost per square foot to build an average home is $125 per â¦ square foot.   There are some builders, who build what is called formula homes.