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- Family members have recurrent bouts of diarrhea and gastrointestinal
distress: coliform bacteria and/or total microbe,
nitrate, and sulfate.
- You use a private well: coliform bacteria and/or
total microbe and nitrate twice
a year, chlorine, iron, hardness once a
year.
- You use a public water supply: coliform bacteria
and/or total microbe and nitrate
once a year.
- At the beginning of pregnancy, before the baby is brought home and
during the baby's first 6 months (risk of "Blue Baby Syndrome"):
nitrate.
- Household plumbing contains lead pipes, fittings or solder joints:
pH, lead, copper, zinc.
- You are moving into a new home or apartment: coliform
bacteria and/or total microbe, nitrate, lead, hardness, pH, sulfate,
TDS.
- A water softener is needed to treat hard water: hardness.
- To monitor the efficiency and performance of home water treatment
equipment and filters: coliform bacteria and/or
total microbe and specific problems that were being treated.
- Water stains on laundry and plumbing fixtures: iron,
copper, and hardness.
- Water has an objectionable taste or smell: hydrogen
sulfide, sulfur bacteria, copper, lead, iron, zinc, and chloride.
- Pipes or plumbing show signs of corrosion: pH,
iron, hardness, copper, zinc.
- Water leaves a scaly residue and soap scum: hardness.
- You are traveling/camping (unsure of water source): total
microbe.
- You live near an agricultural area: coliform
bacteria, nitrate, pesticides.
- You are concerned about your food or food preparation areas: total
microbe and/or e-coli.
- You are concerned about indoor air quality: total
microbe or total microbe dry surface.
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