Page 1
Circle Model RC100 System Performance Data Sheet
The RC100 is tested and certied to NSF/ANSI 42, 53 and 58 for the reduction of Aesthetic Chlorine, Taste and
Odor, Cyst, VOCs, Fluoride, Pentavalent Arsenic, Barium, Radium 226/228, Cadmium, Hexavalent Chromium,
Trivalent Chromium, Lead, Copper, Selenium and TDS as veried and substantiated by test data. The RC100
conforms to NSF/ANSI 372 for low lead compliance.
This system has been tested according to NSF/ANSI 42, 53 and 58 for the reduction of the substances listed below. The
concentration of the indicated substances in water entering the system was reduced to a concentration less than or equal
to the permissible for water leaving the system, as specied in NSF/ANSI 42, 53 and 58.
Inuent Challenge
Substance
Arsenic (Pentavalent) 0.05 +/- 10% 0.01 98.9
Barium 10.0 +/- 10% 2 98.2
Radium 226/228 25 pCi/L 5 pCi/L 80
Cadmium 0.03 +/- 10% 0.005 98.2
Chromium (Hexavalent) 0.3 +/- 10% 0.1 97.3
Chromium (Trivalent) 0.3 +/- 10% 0.1 97.8
Copper 3.0 +/- 10% 1.3 98.7
Lead 0.15 +/- 10% 0.01 98.2
Selenium 0.10 +/- 10% 0.05 97.3
Fluoride 8.0 +/- 10% 1.5 83.8
TDS 750 +/- 40 187 92.5
Aesthetic Chlorine 2.0 +/- 10 % >/= 50% Reduction 98.4
VOCs 0.300 +/- 10% >/= 95% Reduction 99.8
While testing was performed under laboratory conditions, actual performance may vary.
Rated Capacity 3,500 gal. for Aesthetic Chlorine / 243 gal. for VOC’s
Min-Max operating pressure: 40psi-120psi (275Kpa-827Kpa)
Min-Max feed water temperature: 41°F – 95°F (5°C – 35°C)
Rated Service Flow 0.07 gallons per minute
Daily Water Production Rate 56.9 gallons per day
Product Eciency Rating 30.6%
Concentration
(mg/L unless specied)
Maximum Allowable Product Water
Concentration
(mg/L unless specied)
Percent Reduction
(%)
• Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the
system.
• Refer to the owners manual for specic installation instructions, manufacturer’s limited warranty, user responsibility, and parts
and service availability.
• The inuent water to the system shall include the following characteristics:
• No organic solvents
• Chlorine: < 2 mg/L
• pH: 7 - 8
• Temperature: 41 ~ 95 ºF (5 ~ 35 ºC)
• Systems certied for cyst reduction may be used on disinfected waters that may contain lterable cysts.
• Iron: < 2 mg/L
• Turbidity: < 1 NTU
• Hardness: < 1 000 mg/L
Brondell, Inc. P. O. Box 470085 San Francisco CA 94147-0085
888-542-3355 brondell.com support@brondell.com
Page 1 of 3
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Circle Model RC100 System Performance Data Sheet
For parts and service availability, please contact Brondell at 888-542-3355.
This system has been tested for the treatment of water containing pentavalent arsenic (also know as As(V), As(+5), or arsenate)
at concentrations of 0.050 mg/L or less. This system reduces pentavalent arsenic, but may not remove other forms of arsenic. This
system is to be used on water supplies containing a detectable free chlorine residual at the system inlet or on water supplies that
have been demonstrated to contain only pentavalent arsenic. Treatment with chloramines (combined chlorine) is not sucient to
ensure complete conversion of trivalent arsenic to pentavalent arsenic. Please see the Arsenic Facts section of this Performance
Data Sheet for further information.
Eciency rating means the percentage of the inuent water to the system that is available to the user as reverse osmosis treated
water under operating conditions that approximate typical daily usage.
The product water should be tested every 6 months to ensure that the contaminants are being reduced eectively. For any
questions, please contact Brondell toll free at 888-542-3355.
This reverse osmosis system contains a replaceable treatment components, critical for the eective reduction of total dissolved
solids and that product water shall be tested periodically to verify that the system is performing properly. Replacement of reverse
osmosis component should be with one of identical specications, as dened by the manufacturer, to assure the same eciency
and contaminant reduction performance.
The estimated replacement time of lter, which is a consumable part, is not an indication of quality guarantee period, but it means
the ideal time of lter replacement. Accordingly, the estimated time of lter replacement may be shortened in case it is used in an
area of poor water quality.
Part Number Filter Name Usable period
Sediment Filter 6 months
RF20
RF-40 RO Membrane Filter 24 months
Pre-Carbon Plus Filter 6 months
Post Carbon Block Filter 6 months
* The lter replacement cycle may be reduced for areas with poor water quality or greater use.
* The period for the lter exchange is based on an average production of 2.6 gallons of drinking water per day.
ARSENIC FACTS
Arsenic (abbreviated As) is found naturally in some well water. Arsenic in water has no color, taste or odor. It must be measured by
a lab test. Public water utilities must have their water tested for arsenic. You can get the results from the water utility. If you have
the own well, you can have the water tested. The local health department or the state environmental health agency can provide a
list of certied labs. Information about arsenic in water can be found on the Internet at the US Environmental Protection Agency
website: www.epa.gov/safewater/arsenic.html
There are two forms of arsenic: pentavalent arsenic (also called As(V), As(+5), and arsenate) and trivalent arsenic (also called As(III),
As(+3), and arsenite). In well water, arsenic may be pentavalent, trivalent, or a combination of both. Special sampling procedures
are needed for a lab to determine what type and how much of each type of arsenic is in the water. Check with the labs in the area
to see if they can provide this type of service.
Reverse osmosis (RO) water treatment systems do not remove trivalent arsenic from water very well. RO systems are very eective
at removing pentavalent arsenic. A free chlorine residual will rapidly convert trivalent arsenic to pentavalent arsenic. Other water
treatment chemicals such as ozone and potassium permanganate will also change trivalent arsenic to pentavalent arsenic. A combined chlorine residual (also called chloramine) may not convert all the trivalent arsenic. If you get the water from a public water
utility, contact the utility to nd out if free chlorine or combined chlorine is used in the water system.
The RC100 system is designed to remove pentavalent arsenic. It will not convert trivalent arsenic to pentavalent arsenic. The
system was tested in a lab. Under those conditions, the system reduced 0.050 mg/L pentavalent arsenic to 0.010 mg/L (ppm) (the
USEPA standard for drinking water) or less. The performance of the system may be dierent at the installation. Have the treated
water tested for arsenic to check if the system is working properly.
The RO component of the RC100 system must be replaced every 24 months to ensure the system will continue to remove pentavalent arsenic. The component identication and locations where you can purchase the component are listed in the installation/
operation manual.
Brondell, Inc. P. O. Box 470085 San Francisco CA 94147-0085
888-542-3355 brondell.com support@brondell.com
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Circle Model RC100 System Performance Data Sheet
Volatile Organic Chemicals (VOCs) included by surrogate testing*
Chemical
Drinking water
regulatory level
(MCL/MAC) mg/L
Inuent challenge
1
concentration2 mg/L
Chemical
reduction percent
alachlor 0.002 0.05 > 98 0.001
atrazine 0.003 0.1 > 97 0.003
benzene 0.005 0.081 > 99 0.001
carbofuran 0.04 0.19 > 99 0.001
carbon tetrachloride 0.005 0.078 98 0.0018
chlorobenzene 0.1 0.077 > 99 0.001
Maximum
product water
concentration mg/L
3
3
3
3
3
chloropicrin - 0.015 99 0.0002
2,4-D 0.07 0.11 98 0.0017
dibromochloropropane(DBCP) 0.0002 0.052 > 99 0.00002
o-dichlorobenzene 0.6 0.08 > 99 0.001
p-dichlorobenzene 0.075 0.04 > 98 0.001
1,2-dichloroethane 0.005 0.088 95
5
1,1-dichloroethylene 0.007 0.083 > 99 0.001
cis-1,2-dichloroethylene 0.07 0.17 > 99 0.0005
trans-1,2-dichloroethylene 0.1 0.086 > 99 0.001
1,2-dichloropropane 0.005 0.08 > 99 0.001
cis-1,3-dichloropropylene - 0.079 > 99 0.001
0.0048
3
3
3
3
3
3
dinoseb 0.007 0.17 99 0.0002
endrin 0.002 0.053 99 0.00059
ethylbenzene 0.7 0.088 >99 0.001
3
ethylene dilbromide (EDB) 0.00005 0.044 > 99 0.00002
haloacetonitriles (HAN)
bromochloroacetonitrile
dibromoacetonitrile
dichloroacetonitrile
trichloroacetoritrile
-
-
-
-
0.022
0.024
0.0096
0.015
98
98
98
98
0.0005
0.0006
0.0002
0.0003
haloketones (HK):
1,1-dichloro-2-propanone
1,1,1-trichloro-2-propanone
heptachlor (H-34,Heptox) 0.0004 0.08 > 99 0.0004
heptachlor epoxide 0.0002 0.0107
hexachlorobutadiene - 0.044 > 98 0.001
-
-
0.0072
0.0082
99
96
6
98 0.0002
0.0001
0.0003
3
hexachlorocyclopentadiene 0.05 0.06 > 99 0.000002
lindane 0.0002 0.055 > 99 0.00001
methoxychlor 0.04 0.05 > 99 0.0001
pentachlorophenol 0.001 0.096 > 99 0.001
simazine 0.004 0.12 > 97 0.004
styrene 0.1 0.15 > 99 0.0005
1,1,2,2-tetrachloroethane - 0.081 > 99 0.001
tetrachloroethylene 0.005 0.081 > 99 0.001
toluene 1 0.078 > 99 0.001
2,4,5-TP (silvex) 0.05 0.27 99 0.0016
tribromoacetic acid - 0.042 > 98 0.001
3
3
3
3
3
3
1,2,4-trichlorobenzene 0.07 0.16 > 99 0.0005
1,1,1-trichloroethane 0.2 0.084 95 0.0046
1,1,2-trichloroethane 0.005 0.15 > 99 0.0005
trichloroethylene 0.005 0.18 > 99 0.0010
trihalomethanes (includes):
chloroform (surrogate chemical)
bromoform
bromodichloromethane
chlorodibromomethane
xylenes (total) 10 0.070 > 99 0.001
0.080 0.300 95 0.015
3
4
3
4
3
5
3
4
4
3
3
3
3
3
3
3
6
3
3
3
3
4
3
4
3
3
* Chloroform was used as the surrogate chemical for VOC reduc tion claims
1 The se harmonized va lues were agreed u pon by represent atives of USEPA and Health C anada for the purp ose of evaluatin g products to the r equirements of th is Standard.
2 Inu ent challenge leve ls are average inu ent concentration s determined in su rrogate qualic ation testing.
3 Max imum product wa ter level was not obs erved but was se t at the detection l imit of the analysi s.
4 Max imum product wa ter level is set at a valu e determined in su rrogate qualic ation testing.
5 Chem ical reductio n percent and maxi mum product wate r level calculate d at chloroform 95% br eakthrough po int as determined i n surrogate quali cation testing .
6 The su rrogate test resu lts for heptach lor epoxide demo nstrated a 98% red uction. Thes e data were used to cal culate an upper occ urrence concentr ation which would p roduce a maximum
product w ater level at the MCL .
Brondell, Inc. P. O. Box 470085 San Francisco CA 94147-0085
888-542-3355 brondell.com support@brondell.com
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