The NFPA 70E Standard details multiple levels of Hazard Risk Categories (HRC) [see table 1.1], also called Levels. The greater the risk: the higher the HRC. Arc Rating is the factor that indicates which HRC is necessary, and can be measured in either ATPV or EBT.
The optimal pH range for brook trout appears to be 6.5-8.0,with a tolerance range of 4.0-9.5.Brook trout occur in waters with a wide range of alkalinity and specificconductance, although high alkalinity and high specific conductance usuallyincrease brook trout production (Cooper and Scherer 1967).
Brook or Speckled Trout. Brook trout are native to the state and are New York State's official state fish. Brook trout generally live in small-to moderate-sized streams, lakes, and ponds, wherever cool (below 72 degrees Fahrenheit) water is available.They tend to prefer colder water than rainbow and brown trout, and they are often found in the headwaters of streams. The DEC stocks round 151,000 brook trout each spring.ishing for Stream Trout. With thousands of miles of streams across the state, there are ample opportunities to trout fish in New York Sate. Each year the DEC stocks around 2.3 million catchable-size brook, brown and rainbow trout in almost 300 lakes, ponds and roughly 3,100 miles of streams across the state.