Your doctor will discuss what your test results mean for you and your health. 1  A positive test result means that the substance or condition being tested for was found. 2  A negative test result means that the substance or condition being tested for was not found. 3  Inconclusive test results are those that are not clearly positive or negative.or example, a false-negative pregnancy test result would be one that does not detect the substance that confirms pregnancy, when the woman really is pregnant. Some lab tests can give you specific information.
Secondary containment requirements are addressed by the Environmental Protection Agency (EPA) through the Resource Conservation and Recovery Act (RCRA) contained in title 40 of the Code of Federal Regulations (CFR) part 264, the 2006 Uniform Fire Code (UFC) in standard 60.3.2.8.3 and in the 2012 International Fire Code (IFC) in 5004.2.
Scuppers can also be provided as primary or secondary drainage points. Scuppers are rectangular openings in parapet walls that are a minimum of 4 inches in width and height ranging from 4 to 6 inches. If the scuppers are used as primary drainage, then they are applied flush with the roof level. If they are used for secondary drainage, then they should be a minimum of 2 inches above the roof level and a maximum of 4 inches above the roof level. Once the number of required drains for the area is determined, the size of the drain inserts and plumbing should be established.