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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