Which has the least harmful health effects in drinking water? A. Dissolved Miner

Question

Which has the least harmful health effects in drinking water?

A. Dissolved Minerals

B. Dissolved Metals

C. Turbidity

D. Sediment

E. none of the above

Which of the following is most likely to cause an indoor air quality complaint in a sealed building?

A. Live plants

B. Sewer trap

C. Open window

D. A univent

E. none of the above

When inspecting the playground area of a District school or recreation center the most appropriate reference for determining the proper depth of the fill material is:

A. Title 16 CFR part 1303

B. ASTM F1148

C. ASTM F1487

D. ASTM F1292

E. none of the above

Explanation / Answer

1. B. Dissolved Metals

2. C. Open window

3.A. Title 16 CFR part 1303

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