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Biological Safety Certification:
The responsibility for safety of biological products falls on the shoulders of the United States Food and Drug Administration (USFDA) and the Association of American Feed Control Officials (AAFCO).
Any company that produces biological products may elect to certify their products to use only those bacterial strains listed on the Generally Regarded as Safe (GRAS) listing authored by the FDA and/or the Association of American Feed Control Officials (AAFCO).
Many companies do not certify to this standard through lack of proof and/or adequate testing measures. Misrepresentation of this certification carries both civil and/or criminal penalties.
These regulatory agencies are the American consumer’s only assurance that a bacterial product is safe. All Hydro Engineering Inc. biological products are certified to use only bacterial organisms found on both, the GRAS and AAFCO lists.

Waste Water Safety

Using the Right Wastewater System

Many governmental agencies are presently concerned about the use of recycled wash water and wastewater discharged by pre-treatment systems, in particular microbiological contaminants such as Coliform / E. coli concentrations.

Unlike our Hydrokleen wastewater treatment systems, some competitors specify Ozone, Chlorine and Hydrogen Peroxide in an attempt to control this harmful bacterium. The US Army Corps of Engineers evaluated and performed wastewater tests on two such systems, the results can be viewed on pages (45 & 49) at the link (below) they show amounts up to 170 times the legal limit

US Army Corps of Engineers Study (PDF)

Federal laws in place govern the maximum amounts of these contaminants allowed in the discharge of wastewater: 33CFR-159 and 40CFR-140 outline these limitations.

Black water- discharge to open water:
<200 per 100/MIL
Bathing waters- where full body contact is possible as in swimming:
<400 per 100/MIL
Secondary contact- as in wading or partial body contact:
<5000 per 100/MIL

The World Health Organization has also adopted limitation standards that are more broad reaching and described as:

Irrigation water that will contact crops to be eaten and/or used as irrigation water on sports fields where persons may come in contact:
<1,000 per 100/MIL

These limitations should also be used in determining the safety of recycled water due to contact by the operator of such washing water. Hydrokleen systems using our Biodigesters odor control treatment have been tested to be free of microbiological contaminants.