Specifications
16
Total Defense (TD)
The Total Defense has been tested according to NSF/ANSI 42 and 53 for the reduction of
the substances listed below. The concentration of the indicated substances in the water
entering the system was reduced to a concentration less than or equal to the permissible
limit for water leaving the system, as specified in NSF/ANSI 42 and 53.
Substance Influent
Challenge
Concentration
Maximum
Permissible
Product water
Concentration
Reduction
Requirements
Minimum
Reduction
Average
Reduction
Standard 42
Aesthetic
Chlorine
2.0 mg/L + 10% >50% 97.6% 98.0%
Aesthetic
Chloramines
3.0 mg/L + 10% 0.5 mg/L 97.6% 98.0%
Particulate
(0.5 - < um)
Class I
At least 10,000
particles/mL
>85% 99.9% 99.9%
Standard 53
MTBE 0.015 + 20% 0.005 mg/L 74.6% 83.3%
Cyst
t
Minimum
50,000/L
99.95% 99.99% 99.99%
Turbidity 11 mg/L + 1
NTU
0.5 NTU 96.6% 98.0%
Lead
(pH 6.5)
0.15 mg/L +
10%
0.010 mg/L 99.3% 99.3%
Lead
(pH 8.5)
0.15 mg/L +
10%
0.010 mg/L 99.3% 99.3%
Mercury
(pH 6.5)
0.006 mg/L +
10%
0.002 mg/L 96.6% 96.6%
Mercury
(pH 8.5)
0.006 mg/L +
10%
0.002 mg/L 72.4% 95.4%
Chloro-
form (VOC
surrogate
chemical)
0.300 mg/L +
10%
0.015 mg/L 95.2% 91.0%
Flow Rate = 0.5 gpm (1.89 Lpm)
Capacity = 1,000 gallons (3786 L)
t Based on the use of microspheres or Cryptospordium parvum oocysts
Testing was performed under standard laboratory conditions, actual performance may vary.
Performance
Data Sheet
(con’t)










