water research

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No	Category	Parameters	Max. Acc. Value	S1	S2	S3	S4
----	----	----
1	Physical	Smell	No Smell	No Smell	No Smell	No Smell	No Smell
2	Physical	TDS (mg/L)	500	31.2	30.3	53.3	13
3	Physical	Turbidity (NTU)	5	2.84	1.6	1.5	1.2
4	Physical	Temp. (°C)	30	25.8	25.6	25.6	25.7
5	Physical	Color (TCU)	15	9	8	8	8
6	Chemical - Heavy Metals	Chromium (Cr) (mg/L)	0.05	n/d	n/d	n/d	n/d
7	Chemical - Heavy Metals	Manganese (Mn) (mg/L)	0.4	0.0028	n/d	n/d	0.0028
8	Chemical - Heavy Metals	Lead (Pb) (mg/L)	0.01	n/d	n/d	n/d	n/d
9	Chemical - Heavy Metals	Mercury (mg/L)	0.001	<0.005	<0.005	<0.005	<0.005
10	Chemical - Heavy Metals	Cadmium (mg/L)	0.010	n/d	n/d	n/d	n/d
11	Chemical - Heavy Metals	Arsenic (As) (mg/L)	0.01	n/d	n/d	n/d	n/d
12	Chemical - Heavy Metals	Silver (Ag) (mg/L)	0.1	n/d	n/d	n/d	n/d
13	Chemical - Heavy Metals	Copper (Cu) (mg/L)	0.02	n/d	n/d	n/d	n/d
14	Chemical - Heavy Metals	Aluminum (mg/L)	0.2	1.248	1.351	1.403	1.093
15	Chemical - Hardiness	Iron (Fe) (mg/L)	0.3	0.237	0.179	0.038	0.092
16	Chemical - Hardiness	Fluoride (mg/L)	1.5	0.29	0.29	0.29	0.28
17	Chemical - Hardiness	Calcium (CaCO3) (mg/L)	500	14.02	11.68	21.3	7.1
18	Chemical - Hardiness	Zinc (Zn) (mg/L)	3	n/d	n/d	n/d	n/d
19	Chemical - Hardiness	Silicon (Si) (mg/L)	100	n/d	n/d	51.593	n/d
20	Chemical - Gas	Nitrate (mg/L)	50	0.026	0.03	0.036	0.023
21	Chemical - Gas	Nitrite (mg/L)	3	0.016	0.012	0.014	0.02
22	Chemical - Gas	Cyanide (mg/L)	0.07	0.05	0.05	0.05	0.05
23	Chemical - Gas	Sulphate (mg/L)	250	4.4	4.1	5.6	1.1
24	Chemical	pH	6.5 - 8.5	5.6	5.6	5.9	5
25	Biological	Organic Substance (mg/L)	10	12.4	11.8	12	14.8
26	Biological	Total Coliform (MPN/100ml)	0	38	240	27	240
27	Biological	Escherichia coli (MPN/100ml)	0	0	2.2	0	4