PHYSICAL/CHEMICAL ANALYSIS 2018 | Santa Rosa (N.E) Water District

Sample No.: P00082583-01
Sample ID: RIZAL P.S. 1
Date sampled: 07/19/18 09:00
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	7.5	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	<0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	357	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	<0.006	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-01<<<

Sample No.: P00082583-02
Sample ID: GOMEZ P.S. 2
Date sampled: 07/19/18 05:00
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	8.1999999999999993	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	244	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	0.06	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-02<<<

Sample No.: P00082583-03
Sample ID: RAJAL P.S. 3
Date sampled: 07/19/18 05:30
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	7.6	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	<0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	325	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	<0.006	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-03<<<

Sample No.: P00082583-04
Sample ID: SAPSAP P.S. 4
Date sampled: 07/19/18 06:36
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	7.9	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	320	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	<0.006	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-04<<<

Sample No.: P00082583-05
Sample ID: OMICO P.S. 5
Date sampled: 07/19/18 08:00
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	7.8	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	<0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	263	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	<0.006	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-05<<<

Sample No.: P00082583-06
Sample ID: SAN GREGORIO P.S. 6
Date sampled: 07/19/18 08:15
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	8	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	<0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	239	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	<0.006	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-06<<<

Sample No.: P00082583-07
Sample ID: LA FUENTE P.S. 7
Date sampled: 07/19/18 07:20
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	8.1	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	252	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	<0.006	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-07<<<

Sample No.: P00082583-08
Sample ID: MALACAÑANG P.S. 8
Date sampled: 07/19/18 06:05
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	0.04	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	7.3	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	<0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	234	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	5.6	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-08<<<

Sample No.: P00082583-09
Sample ID: MAPALAD P.S. 9
Date sampled: 07/19/18 06:25
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	7.4	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	<0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	124	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	2.5	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-09<<<

Sample No.: P00082583-10
Sample ID: LIWAYWAY P.S. 10
Date sampled: 07/19/18 06:35
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	8.1	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	<0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	255	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	0.1	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-10<<<

Sample No.: P00082583-11
Sample ID: MAPALAD TRINIDAD P.S. 11
Date sampled: 07/19/18 06:10
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	7.7	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	186	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	1.6	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-11<<<

Sample No.: P00082583-12
Sample ID: MAPALAD BRGY. HALL P.S. 12
Date sampled: 07/19/18 06:20
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Arsenic	<0.008	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	7.5	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Total Dissolved Solids**	171	mg/L	600	Gravimetry (SM2540 C)	7/23/2018	EMA	1123
Nitrate**	1.3	mg/L	50	Cadmium Reduction Method	7/20/2018	JEC	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-12<<<

Sample No.: P00082583-13
Sample ID: CUNSUMER TAP 13
Date sampled: 07/19/18 07:50
Matrix: Drinking Water

TEST DESCRIPTION	RESULTS	UNITS	REG LIMIT	TEST METHODS	DATE ANALYZED	BY	Ref*
-Metals-
Cadmium	<0.001	mg/L	0.003	ICP – OES	7/25/2018	PPG	1123
Lead	<0.005	mg/L	0.01	ICP – OES	7/25/2018	PPG	1123
-Wet Chemistry-
pH**, Laboratory @ 25.0°C	8	–	6.5-8.5	Electrometric Method	7/20/2018	LCM	1123
Color**	3	Apparent CU	10	Visual Comparison	7/20/2018	MPT	1123
Turbidity**	0.05	NTU	5	Nephelometry (Turbidimeter)	7/20/2018	EMA	1123
Chlorine**, Residual	<0.02	mg/L	0.3 – 1.5	Colorimetry – DPD	7/20/2018	EMA	1123
>>>end of result set for Sample No.:P00082583-13<<<

N/S = Not Supplied
**PAB approved parameter/s
Results are reported “as received basis”.
ICP – OES = Inductively Coupled Plasma – Optical Emission Spectroscopy
Standard Methods for the Examination of Water and Wastewater, APHA, AWWA, WEF 22nd Edition.
Test Methods for Evaluating Solid Wastes, Vol 1A, USEPA, Third Edition
*Regulatory Limit Reference
¹¹²³Philippine National Standards for Drinking Water, 2017