Case Studies: TERRACAP™ 3000/4000 Additive

• Fuel Oil Soaked Wood. Contact was made to our office in May/2007 regarding the wood base underneath an oil/kerosene furnace system which, upon removal, it was discovered that kerosene had leaked and was somewhat permeated, leaving an odor. With over-time saturation of the wood, we recommended multiple treatments. After use of our Terracap 3000/4000 kit, we received the following in a letter:
  

  "I followed your instructions and applied Step 1, TERRACAP 3000 solution throughout the area with a thin liquid film. I used a brush and scrubbed the solution on the surface. As you indicated, some bubbles appeared and the odor disappeared. I actually waited around 10 minutes before I applied Step 2, TERRACAP 4000, and again applied a thin liquid film and scrubbed it onto the area using the brush. Silica formed. I cleaned up the area. I waited a day and went through the process again. At completion, I would say your product performed well with two applications. Question--I work for the Federal Government. Have you listed your product with the GSA schedule? I would think that there would be a demand for this throughout the government for hazmat type of cleanup. Thanks for the product - it has helped me to resolve my problem/challenge."    Ted B., Maryland.

• Hydraulic Oil Spill on Roadway. A large truck accidentally released 30+ gallons of hydraulic oil for approximately 125 yards. The roadway was slick and unsafe for use. TERRACAP 3000/4000 additives were applied to the spill areas taking about twenty minutes for the application. By the time the length of the spill was sprayed, the TERRACAP technology had encapsulated the hydraulic oil and was dry where the application began.
  The resultant reside was swept with a Bobcat sweeper, resulting in approximately one-half of one 55 gallon barrel of waste. The environmental contractor estimated that 30 to 40 bags (40 lb bags) of clay absorbent would have normally been used resulting in seven to eight barrels of waste. The TERRACAP 3000/4000 additives remediated/encapsulated the hydraulic oil eliminating the street safety hazard and leaving no hydrocarbon odor.
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• Diesel Spill on Roadway. A tractor trailer truck with a damaged saddle tank spilled 75+ gallons of diesel on frontage road of I-35 in Oklahoma City. After using Aqua N-Cap™ to absorb the pooled diesel, TERRACAP 3000/4000 additives were applied to the spill areas including a 2 foot wide by 100 yard long strip of roadway where diesel had soaked into the asphalt. Once the TERRACAP 3000 was applied, the residual diesel odor was eliminated.
  RTA Systems returned to the spill scene two days after application of the TERRACAP 3000/4000 additives. A light rainfall had occurred that morning. There were no diesel sheens observed on standing rainwater in the gutter. The spill site was free from any diesel odor. A slight white silica residue was still evident on the street. One week after application, another visit was made to the site. Again no diesel odor or sheens were found. The street appearance was returned to normal although it was somewhat cleaner than the adjacent, untreated asphalt.
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• Soil contaminated with 1590 ppm crude oil and 115 ppm lead was reduced to 154 ppm TPH and less than 0.10 ppm lead with one treatment. The TERRACAP 3000/4000 products were sprayed and tilled. Tilling provides effective mixing to assure contact with the contaminant for microencapsulation.



• A petroleum product marketer’s warehouse packaging area (8x12 ft) was contaminated with standing puddles of motor oil, transmission fluid, and hydraulic fluids creating a safety hazard as shown in Figure A1. The estimated volume of hydrocarbon was between 0.5 to 1.0 gallon of oil. One gal of TERRACAP 3000 was poured over the area and brushed with a floor broom to emulsify the oil. One gal of TERRACAP 4000 additive was poured on the area with mixing. Micro encapsulation occurred immediately. The solid material was transferred to a container. A paper towel blot test indicated total remediation and encapsulation of the oil, because there was no free oil remaining to stain the towel. Micro encapsulation was confirmed with the laboratory analysis of the TCLP extract for TPH was non-detectable. The surface dried leaving a small amount of powdery residue. The safety issues were resolved and no oil sheens remained or were observed. After pressure washing, the surface dried to a very clean condition as shown in Figure A2.



• TEPCO clients returning from a site visit came upon a stranded car with an engine fire. Application of the TERRACAP product, using a common household garden sprayer immediately extinguished the fire and encapsulated the leaking fuel.



• A crude oil tank overflowed into a diked area onto three inches of gravel on clay. A 6x10 ft demonstration area was cleaned using one gallon each of TERRACAP 3000 and TERRACAP 4000 for a total chemical cost of less than $40.00. The gravel was cleaned by alternatively spraying the TERRACAP additives, diluted 50%, on the gravel and raking. A total of five spraying and raking sequences returned the gravel to the light-brown condition.



• A crude oil tank overflowed onto a grassy area and a water retention area. The client was required to clean up the spill by the Texas Railroad Commission or face fines. Utilizing the TERRACAP 3000/4000 and Aqua N-Cap products, the entire site was completely remediated.



• A sample of 10W-30 motor oil was micro encapsulated with the TERRACAP 3000 and 4000 additives and allowed to dry.

			1. An oil spill on cement, 2. Add TERRACAP 3000 Additive, 3. Brush to emulsify TERRACAP 3000 and oil, 4. Add an equal amount of TERRACAP 4000, 5. Brush the mixture to microencapsulate, 6. Brush the sand-like microencapsulated oil into a dustpan, 6. After drying, observe the clean floor
	A TCLP extraction followed by analysis for TPH indicated less than 1 ppm (parts per million) extractable TPH in the micro encapsulated sample. A similar test with standard Type F hydraulic oil resulted in less than 7 ppm leachable TPH.

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