The bottom line in any wastewater treatment situation always comes down to the numbers.

• As a treatment plant operator, the goal of your work is to produce good numbers.
• As a treatment plant owner, your numbers must often meet rigid local, state and federal mandates.
• When you specify a treatment plant, you need confidence that good numbers will result, for everyone.

Here are two sets of numbers: some cold weather results from a Walden SBR plant in operation in an environmentally sensitive Rhode Island location...as sampled by an independent service and analyzed by an independent laboratory. If you need more details please contact us.
walden@waldeninc.com

250

3

mg/1

EPA 405.1

230

2

mg/1

EPA 160.2

<0.1

0.1

mg/1

EPA 353.3

354

1.0

mg/1

EPA 310.1

88.9

0.5

mg/1

EPA 351.3

55.4

0.1

mg/1

EPA 350.2

44

0.5

mg/1

EPA 413.1

6

3

mg/1

EPA 405.1

6.3

2

mg/1

EPA 160.2

0.42

0.1

mg/1

EPA 353.3

112

1.0

mg/1

EPA 310.1

<0.5

0.5

mg/1

EPA 351.3

<0.1

0.1

mg/1

EPA 350.2

2.0

0.5

mg/1

EPA 413.1

2300

3

mg/1

EPA 405.1

480

2

mg/1

EPA 160.2

2.01

0.01

mg/1

EPA 353.3

406

1.0

mg/1

EPA 310.1

51.2

0.5

mg/1

EPA 351.3

30.8

0.1

mg/1

EPA 350.2

180

0.5

mg/1

EPA 413.1

14

3

mg/1

EPA 405.1

7.7

2

mg/1

EPA 160.2

2.92

0.01

mg/1

EPA 353.3

116

1.0

mg/1

EPA 310.1

3.8

0.5

mg/1

EPA 351.3

0.7

0.1

mg/1

EPA 350.2

<0.5

0.5

mg/1

EPA 413.1

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