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The occurrence of causative agents such as Cryptosporidium parvum and other pathogens in water supplies presents a critical issue. Transmitted through water and animals, these organisms provide a reservoir of infection, which results in the excretion of the environmentally stable cysts or oocysts that are impervious to inactivation by many drinking water disinfectants. Cryptosporidium infections a ...

The occurrence of causative agents such as Cryptosporidium parvum and other pathogens in water supplies presents a critical issue. Transmitted through water and animals, these organisms provide a reservoir of infection, which results in the excretion of the environmentally stable cysts or oocysts that are impervious to inactivation by many drinking water disinfectants. Cryptosporidium infections a ...

A strategic need exists for harsh-environment, foul-resistant engine exhaust emission sensors. No presently available devices combine the requisite sensitivity and selectivity to hydrocarbons, CO, CO2, and NOx with thermal and chemical robustness, low power drain, rapid response, and reasonable cost. Boston MicroSystems, Inc., proposes to develop a hand-held portable engine emissions analyzer that ...

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Dakota Technologies, Inc. (DTI), has demonstrated successfully key technologies used in the operation of a miniature gas chromatograph (GC) that fits inside a push rod for field screening and quantification of subsurface volatile organic compounds (VOCs). The GC is soft-pushed (no percussion) into the earth and uses a heated microporous inlet membrane on the side of the probe to transfer VOCs from ...

THIS PROPOSAL PRESENTS A CONCEPT FOR A CHEMICAL MONITOR BASED ON DIFFERENTIAL CATALYTIC REACTIVITIES AND LARGE REACTION EXOTHERMICITIES. THE SIMPLICITY OF THE PROPOSED SENSOR CONCEPT PROMISES AN ECONOMIC AND RELIABLE MONITOR FOR IN-SITU MEASUREMENT OF A VARIETY OF GASES. IN THIS PROJECT, ENVIROCHEM, INC., WILL INVESTIGATE THE APPLICATION OF THIS CONCEPT FOR MEASURING AMMONIA IN FLUE GASES. A SENSI ...

FOSTER-MILLER PROPOSES TO UTILIZE SCRAP PREPREG WASTE AS A REINFORCEMENT IN RECYCLED POLYETHYLENE. BY REINFORCING RECYCLED PLASTICS SUCH AS POLYETHYLENE WITH SCRAP PREPREG AND SUITABLE BINDERS, AN ECONOMICAL USEFUL PRODUCT CAN BE OBTAINED. AT THE SAME TIME, THIS INNOVATION WILL ALSO HELP TO REDUCE 2.5 MILLION POUND/YR OF HAZARDOUS WASTE -- UNCURED PREPREG SCRAP. FOSTER-MILLER IS WORKING WITH A COM ...

During the Phase I program, Foster-Miller developed techniques based on Ultrasonic Tape Lamination (UTL) for joining of plasticized PVC sewer pipe liner. This effort was undertaken in response to a need for environmentally sound and cost-effective methods for rehabilitation of aging water and sewerage pipe rehabilitation infrastructure. Ultrasonic lamination has several significant advantages over ...