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22
Standard No. 42: Aesthetic Effects
Parameter
USEPA
MCL
Influent
Challenge
Concentration
Influent
Average
Effluent
% Reduction
Min.
Required
Reduction
Avg. Max.
Avg. Min.
Chlorine —
2.0 mg/L
+ 10%
1.88 mg/L
<0.051363
mg/L
0.06
mg/L
>97.26%
96.84%
50%
T & O — — — — — — — —
Particulate** —
at least 10,000
particles/ml
57,000,000
#/ml
30,583
#/ml
69,000
#/ml
99.52% 98.94% 85%
Water Filter
Operation
23
Operation
Water Filter Certifications
State of California
Department of Health Services
Water Treatment Device
Certificate Number
06 - 1790
Date Issued: June 1, 2006
Trademark /Model Designation Replacement Elements
RWFFR-750 RWFFR
Manufacturer: CUNO, Incorporated, a 3M Company
The water treatment device(s) listed on this certificate have met the testing requirements
pursuant to Section 116830 of the Health and Safety Code for the following health related
contaminants:
Microbiological Contaminants and Turbidity
Inorganic/Radiological Contaminants
Cysts Asbestos
Turbidity Lead
Mercury
Organic Contaminants
Atrazine
Lindane
Benzene
Carbofuran
p-dichlorobenzene
Toxaphene
Rated Service Capacity: 750 gal. Rated Service Flow: 0.78 gpm
Conditions of Certification:
Do not use with water that is microbiologically unsafe or with water of unknown quality
without adequate disinfection before or after the system. Systems certified for cyst
reduction may be used on disinfected waters that may contain filterable cysts.
Standard No. 53: Health Effects
Parameter
USEPA
MCL
Influent
Challenge
Concentration
Influent
Average
Effluent
% Reduction
Min.
Required
Reduction
Avg. Max.
Avg. Min.
Turbidity 1NTU** 11 + 1 NTU*** 10.7 NTU .031 NTU 0.49 NTU 97.09% 95.20% 0.5NTU
Cysts
99.5%
Red
Minimum
50,000/L
166,500
#/L
L <1 #/L <1 #/L >99.99% >99.99% >99.95%
Asbestos
99%
Red
107 108 fibers/
L; fibers >10
micrometers in
length
155 MF/L <1 MF/L <1 MF/L >99.99% >99.99% 99%
Lead at
pH 6.5
0.015
mg/L
0.15 mg/L
+ 10%
0.153
mg/L
<0.001
mg/L
<0.001
mg/L
>99.35% >99.29% 0.10 mg/L
Lead at
pH 8.5
0.015
mg/L
0.15 mg/L
+ 10%
0.150
mg/L
<0.001
mg/L
<0.001
mg/L
>99.33% >99.29% 0.10 mg/L
Mercury at
pH 6.5
0.002
mg/L
0.06 mg/L
+ 10%
0.006
mg/L
<0.003
mg/L
<0.005
mg/L
95.70% 90.91%
0.002
mg/L
Mercury at
pH 8.5
0.002
mg/L
0.06 mg/L
+ 10%
0.006
mg/L
<0.008
mg/L
<0.015
mg/L
86.22% 75.93%
0.002
mg/L
Atrazine
0.003
mg/L
0.09 mg/L
+ 10%
0.009
mg/L
<0.002
mg/L
<0.002
mg/L
76.99% 75.31%
0.003
mg/L
Benzene
0.005
mg/L
0.15 mg/L
+ 10%
0.014
mg/L
<0.006
mg/L
<0.011
mg/L
95.71% 92.14%
0.005
mg/L
Carbofuran
0.04
mg/L
0.08 mg/L
+ 10%
0.081
mg/L
<0.001
mg/L
<0.001
mg/L
98.74% 98.46% 0.04 mg/L
p-Dichlorob-
enzene
0.075
mg/L
0.225 mg/L
+ 10%
0.208
mg/L
<0.005
mg/L
<0.005
mg/L
99.76% 99.74%
0.075
mg/L
Lindane
0.0002
mg/L
0.002 mg/L
+ 10%
0.002
mg/L
<0.000
mg/L
<0.001
mg/L
98.72% 96.50%
0.0002
mg/L
Toxaphene
0.003
mg/L
0.15 mg/L
+ 10%
0.015
mg/L
<0.001
mg/L
<0.001
mg/L
92.97% 91.67%
0.003
mg/L
*Tested using a flow rate of 0.78 gpm; pressure of 60psig; pH of 7.5 + 0.5; temp of
68˚ + 5˚F (20˚ + 3˚C).
**Measurement in Particles/ml. Particles used were 0.5 - 1 microns
***NTU - Nephelometric Turbidity Units
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