Sample Test Results

Bill Smith
212 Pondview Road
Westford, MA 01886

Sample taken by: Client

212 Pondview Road
Westford, MA

On: 8/3/2000

Certificate of Analysis

TEST PARAMETER               EPA MAX           RESULTS            UNITS

Total Coliform (P)                  0                0          per 100 ml
Arsenic (P)                      0.05            0.006             mg/L
Calcium                      No Limit              0.4             mg/L
Copper (S)                        1.3            <0.02             mg/L
Iron (S)                          0.3            <0.01             mg/L
Lead (P)                        0.015           <0.001             mg/L
Magnesium                    No Limit             <0.1             mg/L
Manganese (S)                    0.05            <0.01             mg/L
Potassium                    Not Spec.             1.1             mg/L
Sodium                            "28            '98.8             mg/L
Alkalinity (S)               Not Spec.           105.0             mg/L
Ammonia                      Not Spec.           <0.03             mg/L
Chloride (S)                      250             48.7             mg/L
Chlorine                     Not Spec.             102             mg/L
Color (S)                          15                0              CPU
Conductivity                 Not Spec.             444         umhos/cm
Fluoride (S)                      4.0              0.9             mg/L
Hardness                     No Limit               <2             mg/L
Nitrates (asN)(P)                  10              0.3             mg/L
Nitrites (as N)(P)                  1            <0.01             mg/L
pH (S)                        6.5-8.5              7.4              SU
Odor (S)                            3                0              TON
Sulphates (S)                     250             31.3             mg/L
Turbitity                    Not Spec.            <0.1              NTU
Sediment                      pos/neg              neg

NT = Not tested, # = Value Exceeds EPA STD, TNTC = To Numerous To Count
* =Backround Bacteria Noted, " = EPA Advisory Limit, ' = Exceedes Advisory Limit
(P) = Primary EPA Standard, (S) = Secondary EPA Standard (may affect aesthetics of
Drinking Water, i.e. taste, color, etc.) ! = E. coli present

This water sample, as submitted, meets EPA requirements for the parameters listed above.
The quality of this water is accepted as POTABLE according to EPA Standards.