Specifications

39
Total Defense (TD)
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 specied in NSF/ANSI 42 and 53.
Substance Reduction
1
Substance Inuent
Challenge
Concentration
mg/L
Maximum
Permissible
Product
water Con-
centration
mg/L
Reduction
Require-
ments
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 69% 74.6% 83.3%
Cyst t Minimum
50,000/L
99.95% 99.95% 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%
Chloroform (VOC sur-
rogate 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 Cryptosporidium parvum oocysts
Testing was performed under standard laboratory conditions, actual performance may vary
Organic Chemicals Included in Surrogate Testing:
Applies to Total Defense (TD) only
Performance
Data Sheet
(con’t)