DGSI. Durham Geo Slope Indicator


2-in size O-SOX being lowered in a well.
O-SOX sleeves and stainless steel canister in 2- and 4-in sizes. Socks are stored and shipped in pails.

Oxygen releasing compound in a sock for aerobic bioremediation in ground water wells.

Easiest deployment of dissolved oxygen.



Stimulation of aerobic biodegradation of groundwater contaminants through controlled release oxygen and nutrient delivery using EHC-O. This is not an aggresive treatment but, rather, an enhancement to natural attenuation. Ideal for sites where there are residual or thin layer of contaminants.

The radius of influence depends on the hydrogeology of the site but is still predictably small (in the order of 10 ft radially, 20-50 ft downgradient).

Quick Instructions

oxygen release sock O-SOX
Take a sock from the pail and remove plastic sleeve.
Insert sock into canister
If desired, attach an optional canister and insert a sock.
Adjust the length of cable required.
Lower canister in the well.
Cap rests on top of casing

Key Benefits:

• Easiest deployment of dissolved oxygen.
• Enhances Natural Attenuation
• > 50% Less Expensive
• Easy and quick delivery system for groundwater wells
• Long Lasting

Contaminants Treated:

• Petroleum hydrocarbons
• PAHs
• Other non-halogenated organic compounds


EHC-O is an integrated source of slow-release oxygen combined with nutrients and a pH buffering agent to provide the ideal conditions for rapid bioremediation of organic and inorganic soil, sediment and groundwater contaminants. For organic constituents, EHC-O significantly stimulates catabolic activity of indigenous microflora further accelerating the rate of contaminant removal. EHC-O not only eliminates contaminants quickly —but also guarantees appreciable cost savings over other oxygenrelease products on the market. EHC-O’s proprietary technology is field proven and available today.

O-SOX is a delivery mechanism consisting of a fabric sleeve (or sock) filled with EHC-O and a stainless steel canister. For ease of use in groundwater wells, the socks are lowered in the well inside reusable stainless steel canisters. The number of canisters that can be hooked together is limited and governed by well screen length, weight, and the fact that they all need to be submerged.

O-SOX is available in two nominal sizes: 2 x 36 in and 4 x 36 in.




Ordering Information

Model Description
2-in x 3-ft O-SOX (pail with 5 socks*)
2-in Canister (stainless steel, reusable)
4-in x 3-ft O-SOX (pail with 3 socks*)
4-in Canister (stainless steel, reusable)
2-in Well Cap with Cable Restraint
4-in Well Cap with Cable Restraint
Pail Opener
1/16"-dia. Nylon-covered stainless-steel suspension cable with swaged cable loop at one end in the following lengths:
25 ft
50 ft
75 ft
100 ft
125 ft
150 ft
Note: O-SOX ships by motor freight only. For overseas shipment, please contact us.
O-SOX is non-returnable, non-refundable.

For more information

FAQs (frequently asked questions)
Product Brochure
Press Release
Installation instructions
Pail opener 602528
MSDS sheet for EHC-O



ISO 9001:2008     C2015-01879