Sample Date : May 22, 2000 Sample Type : Drinking Water Report Date : June 30, 2000 Report Units: mg/L unless

AZ Laboratory #: AZ0401 otherwise noted.

Parameter / Method	Analysis Date		MCL 1	Detection Limit		Amount Found
Microbiological:
Coliform (Colilert)	05/18/00		0	0		0
pH 150.1	05/17/00		6.5-8.5	----		7.39
Alkalinity (Total as CaCO3)	05/17/00		----	2.0		312.5
Hardness(as mg eq. CaCO3)	6/14/00		----	20.0		322.9
Total Dissolved Solids SM 2540C	5/23/00		500.0	20.0		464.0
Turbidity 180.1	05/17/00		N/A	0.1		< 1.0
Chloride 300.0	05/17/00		250.0	0.10		1.2
Nitrite-N 300.0	05/17/00		10.0	0.10		< 0.1
Nitrate-N 300.0	05/17/00		10.0	0.10		< 0.1
Phosphate-P 300.0	05/17/00		N/A	0.10		< 0.1
Fluoride 300.0	05/17/00		2.0	0.10		0.1
Sulfate 300.0	05/17/00		250.0	0.10		6.7
Cadmium(T) 200.9	06/27/00		0.010	0.005		< 0.005
Arsenic(T) 200.9	06/09/00		0.05	0.003		< 0.005
Calcium(T) SM 3111B	06/13/00		N/A	0.1		65.0
Chromium(T)SM 3111B	06/16/00		0.05	0.04		< 0.04
Copper(T) SM 3111B	05/22/00		1.0	< 0.04		< 0.04
Lead(T) 200.9	06/16/00		0.05	0.005		< 0.005
Mercury (T) 245.1	05/23/00		0.002	0.0002		< 0.0002
Manganese(T)SM3111B	06/29/00		0.05	0.03		< 0.03
Nickel(T) SM 3111B	06/19/00		N/A	0.04		< 0.04
Magnesium SM 3111B	06/14/00		N/A	0.01		39.0
Potassium SM 3111B	06/28/00		N/A	1.0		1.1
Selenium(T) 200.9	06/15/00		0.01	0.005		< 0.005
Silver(T) SM 3111B	05/23/00		0.05	0.02		< 0.02
Sodium SM 3111B	06/27/00		N/A	1.0		4.4
Zinc(T) SM 3111B		05/22/00	5.0		0.02	0.145

Notes:

1 - Maximum Concentration Limit.

2 – Matrix Interference may result in a low reading.

3 – Matrix Interference may result in a high reading.

(T)- indicates Total Metals by EPA Methods.

Coliform performed by Bolin Laboratories, Inc. Phoenix, AZ AZ0004

** - Exceeds MCL.