Water: 30-32 (Precondition) Flashcards
What is Feature 30?
Fundamental Water Quality
What project types does Feature 30 apply to?
*Fundamental Water Quality
All
Lack of access to drinking water affects ____ people and is a cause for ___ annual deaths.
1 billion, 2 million
How many parts are there in Feature 30?
*Fundamental Water Safety
2
What are the 2 parts of Feature 30?
*Fundamental Water Safety
- Sediment
- Microorganisms
What is the strategy for Part 1 of Feature 30?
- *Sediment*
- *Fundamental Water Quality*
Water samples tested for turbidity levels
For Part 1 of Feature 30, what is the limit for turbidity levels?
- *Sediment*
- *Fundamental Water Quality*
<1.0 Nephelometric Turbidity Units (NTU)
For Part 1 of Feature 30, how is turbidity levels tested?
- *Sediment*
- *Fundamental Water Quality*
- Laboratory equipment
- Portable turbidity meter
What is the strategy for Part 2 of Feature 30?
- *Microorganism*
- *Fundamental Water Quality*
Water samples tested for coliforms
What is an example of a coliform?
E.Coli
What is Feature 31?
Inorganic Contaminants
What project types does Feature 31 apply to?
*Inorganic Contaminants
All
In a study, bottled water had a ___ increase in ___ after 6 months of storage due to ___
90%, anitmony leaching
What is the sole part of Feature 31?
*Inorganic Contaminants
Dissolved Metals
LAAMNC
What are the 6 most common dissolved metals that can be present in water?
- Lead
- Arsenic
- Antimony
- Mercury
- Nickel
- Copper
What are the 2 strategies for the sole part of Feature 31?
- *Dissolved Metals*
- *Inorganic Contaminants*
- Limiting levels of dissolved metals
- Mitigation by filtration if levels are above limits
What is the limit for Lead as specified in Feature 31?
*Inorganic Contaminants
<0.01 mg/L
What is the limit for Arsenic as specified in Feature 31?
*Inorganic Contaminants
<0.01 mg/L
What is the limit for Antimony as specified in Feature 31?
*Inorganic Contaminants
<0.006 mg/L
What is the limit for Mercury as specified in Feature 31?
*Inorganic Contaminants
<0.002 mg/L
What is the limit for Nickel as specified in Feature 31?
*Inorganic Contaminants
<0.012 mg/L
What is the limit for Copper as specified in Feature 31?
*Inorganic Contaminants
<1 mg/L
As mitigation, what are the 2 filtration methods specified in Feature 31 for dissolved metals?
*Inorganic Contaminants
- Reverse Osmosis Filtration Systems
- Kinetic Degradation Fluxion Filters
What is Feature 32?
Organic Contaminants
What project types is Feature 32 applicable to?
*Organic Contaminants
All
What is the sole part for Feature 32?
*Organic Contaminants
Organic Pollutants
What are the strategies for Feature 32?
*Organic Contaminants
- Limiting the levels of organic pollutants
- Mitigation by filtration if levels are exceeded
SBEPVTXT
What are the organic pollutants as specified in Feature 32?
*Organic Contaminants
- Styrene
- Benzene
- Ethylbenzene
- PCB
- Vinyl Chloride
- Toulene
- Xylene (M,P,O)
- Tetrachloroethylene
What is the limit for Styrene as specified for Feature 32?
*Organic Contaminants
<0.0005 mg/L
What is the limit for Benzene as specified for Feature 32?
*Organic Contaminants
<0.001 mg/L
What is the limit for Ethylbenzene as specified for Feature 32?
*Organic Contaminants
<0.3 mg/L
What is the limit for PCB as specified for Feature 32?
*Organic Contaminants
< 0.0005 mg/L
What is the limit for Vinyl Chloride as specified for Feature 32?
*Organic Contaminants
<0.002 mg/L
What is the limit for Touelene as specified for Feature 32?
*Organic Contaminants
<0.15 mg/L
What is the limit for Xylene (M, P, O) as specified for Feature 32?
*Organic Contaminants
<0.5 mg/L
What is the limit for Tetrachloroethylene as specified for Feature 32?
*Organic Contaminants
<0.005 mg/L
For Feature 32, what is the filtration system specified for use for mitigative action?
*Organic Contaminants
Granular Activated Carbon (GAC) Filtration System
For GAC Filtration Systems, ___ should be in place before final occupancy of the project.
a maintenance and filter-replacement schedule
