What is the best method for assuring accurate diagnostic test results? which level of law mandates sewage treatment?

Explanation:

The Standard And Custom diagnostic test, providesthe solution, highest quality, most competitive price and fast delivery.

Healthcare workers and the general public are protected from the spread of infectious disease by treating specimens as biological hazards. By following the test standard operating procedures. The basic national standard for U.S. municipal treatment plants is the Secondary Treatment Regulation. The collection and treatment of domestic sewage and wastewater is vital to public health and clean water. It is among the most important factors responsible for the general level of good health enjoyed in the United States. Sewers collect sewage and wastewater from homes, businesses, and industries and deliver it to wastewater treatment facilities before it is discharged to water bodies or land, or reused.

answer; i do believe that the correct answer is (b)