The life cycle of a deployed tsunami buoy is approximately 2 to 4 years. The Bureau's maintenance regime involves the replacement of the surface buoy and the sea-floor pressure sensor every one to two years. The devices retrieved during regular maintenance are refurbished and made ready for the next redeployment.
NCRC is awarded at four levels: Platinum, Gold, Silver, and Bronze. Each is an objective validation to employers anywhere in the U.S. that an individual has met or exceeded the necessary foundational skills for a percentage of the 16,000 occupations in the WorkKeys database.For example, a Gold certificate verifies that an individual has the necessary skills for 93% of occupations.very senior enrolled in a TCD program will prepare for and take the NCRC. Preparation takes place through an online tutorial called KeyTrain. Throughout most of the year, students are expected to complete 30 minutes of KeyTrain tutorials per week, logging into the system while at TCD or at home.
Those participants with a 10-year CHD risk greater than 20% were placed in the high NCEP ATP III risk category, and those with 20% or lower risk were placed in the intermediate category. Further details on classifications of the study participants into each of the NCEP ATP III risk categories are published elsewhere (5).