Overview
Facts & Figures
Existing Containment
Concrete Washwater
Concrete Waste
Mandatory Compliance
Regulatory Violations
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Washwater Analysis:
THE RESULTS
Below are lab analysis results from samples of untreated concrete washwater by a certified lab. Our patent-pending CWS Treatment and Recycling System substantially lowers these contaminant levels.
Metal / Test |
Dirty (S1)
mg/l |
| Aluminum |
50.0 |
| Antimony |
ND |
| Arsenic |
ND |
| Barium |
1.0 |
| Beryllium |
ND |
| Cadmium |
ND |
| Calcium |
1900.0 |
| Chromium VI |
0.73 |
| Chromium |
0.99 |
| Cobalt |
ND |
| Copper |
0.24 |
| Iron |
66.0 |
| Lead |
ND |
| Magnesium |
28.0 |
| Manganese |
1.60 |
| Mercury |
ND |
| Nickel |
0.10 |
| Potassium |
110.0 |
| Selenium |
0.24 |
| Silver |
ND |
| Thallium |
ND |
| Sodium |
87.0 |
| Vanadium |
0.27 |
| Zinc |
0.51 |
| |
|
| |
|
| Total Dissolved Solids |
2700 |
| Total Suspended Solids |
5900 |
| Turbidity |
15 |
| pH |
12.3 |
| Corrosivity |
Corrosive |
| |
|
| |
|
Dirty (S1)
Clean (S2)
a
EPA MCL
% Reduction
ND |
Water sample taken fron untreaed, unsettled concrete washwate |
POTENTIAL HEALTH EFFECTS
| Metal |
Effect |
| Chromium |
A known carcinogen when inhaled and possibly when ingested. Contact Dermatitis |
| Copper |
Gastrointestinal distress, liver and kidney damage. |
| Iron |
Elevated levels can cause heart disease, cancer and diabetes. |
| Selenium |
Rashes, swelling of skin and pain, deformed nails and brittle hair. |
| Vanadium |
Irritation of lungs, throat, nasal cavities and eyes. |
| Zinc |
Skin irritation, nausea, stomach cramps. |
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