Waters 8.4

Front 1

who measures the Temp. and pH

Back 1

Engineering Department
&
by Medical Dept. as needed

Front 2

when is Halogen residual (rapid)?

Back 2

Daily
prior to receiving potable water
in conjunction w/ bacteriological testing

Front 3

give the minimum requirement for # of samples to personnel?

Back 3

<400 - 4 samples
400-800 - 8
>800 - 12

Front 4

give method of halogen residual "rapid" testing?

Back 4

run water 2 - 3 min
rinse tube
fill tube w/ 10ml
add appropriate tab
remove cap to read (w/in 60sec)

Front 5

Give method for Bacteriological testing?

Back 5

Allow water flow 2 - 3 min
100 ml
add reagent
incubate 24 hrs at 35 degrees C

Front 6

what is the most common Bacterio. test?

Back 6

colilert

Front 7

using coliler what does clear mean?

Back 7

Negative

Front 8

using coliler what is the difference between yellow and fluorescent yellow ?

Back 8

yellow - positive - total coliforms
Fluorescent yellow - positive - e-coli

Front 9

When it comes to Maximum contaminant level (MCL)
if >40 samples collected per month no more then _____ may be total coliform positive?

Back 9

5%

Front 10

potable water logs are maintained for how long and by whom?

Back 10

two years by medical