The city of Shoreline Water quality monitoring station is measuring the level of human and animal waste contamination in Echo Lake. Workers there carefully collected 100 ml of water from the lake. All:
A) The equipment was cleaned thoroughly before collecting the water sample.
B) The collected water samples were immediately sent to the laboratory for analysis.
C) The water samples were collected from multiple points across the lake for comprehensive assessment.
D) The workers wore protective gear such as gloves and masks while collecting the water sample.
E) The water samples were properly labeled and stored at the correct temperature before analysis.