Water Flashcards
What two contaminants are measured in a water sample for Feature 30, Fundamental Water Quality?
Sediment and microorganisms
What type of filter can be used to best meet the requirements of Feature 31, Inorganic Contaminants?
Reverse osmosis (RO): 50/80% effectiveness Kinetic Degradation Fluxion (KDF): 98% effectiveness
Limits of dissolved metals, Feature 31, Inorganic Contaminants
Mercury < 0.002 mg/L Antimony < 0.006 mg/L Lead < 0.01 mg/L Aresenic < 0.01 mg/L Nickel < 0.012 mg/L Copper < 1 mg/L
What by-product is formed when chlorine reacts with organic matter in a water supply?
Trihalomethane
How often does Feature 35, Periodic Water Quality Testing, require that water testing take place?
Quarterly, with reports submitted to IWBI annually
What water condition suggest that the water may contain other types of dangerous pathogens such as bacteria, viruses and protozoa?
Presence of coliform
What type of substances are polychlorinated biphenyls, styrene, and benzene?
Organic contaminants
Where in a building does Feature 37, Drinking Water Promotion, require a project team to locate drinking water dispensers?
Within 30 m (100’) of all parts of regularly occupied floor space
The levels of which two substances are included in the quarterly testing and reporting for Feature 35, Periodic Water Quality Testing?
Lead
Arsenic
Mercury
Copper
Which water treatment strategy is best used for the removal of organic chemicals?
GAC filter