Limestone Rock Quarry Ordor Control

Hydrogen Sulfide Reduction

A seventy- year old rock quarry site was receiving numerous complaints from local businesses concerning odors being generated by the quarry. The quarry was producing hydrogen sulfide odors. The quarry had hydrogen sulfide levels as high as 154 PPM and attempts had been made in the past to mask the odors with fragrances, but the effectiveness of the masking agents were minimal at best.


Bio10 was added to the 2nd retention basin located on the first level of the quarry. The basins capacity is 25,000 gallons, and the daily flow rate through the basin is approximately 500,000 gallons per day. The basin was charged (shocked) with 25 gallons of Bio10. A metering pump was installed and the daily application rate was set at 25 gallons per day.


Within 24 hours of the initial application of the Bio10 product the H2S levels were reduced to 22 PPM. Complaints from local businesses have ceased. The quarry continues to apply the product on a daily basis.

All Organic Products Company products are 100% organic and they are noncorrosive, nonpathogenic and safe to store and use.

They are harmless to people, pets and wild life if used as directed.

Contact us at for further information.

          9010B     9/26/2010

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