water level tapes Articles

  • GWPD 4—Measuring water levels by use of an electric tape

    VERSION: 2010.1 PURPOSE: To measure the depth to the water surface below land-surface datum using the electric tape method. Materials and Instruments An electric tape, double-wired and graduated in feet, tenths and hundredths of feet. Electric tapes commonly are mounted on a hand-cranked and powered supply reel that contains space ...


    By HERON Instruments Inc.

  • Measuring Static Water Levels Made Easier with Eno Scientific

    The Well Sounder 2010 PRO is a sonic water level meter, designed and manufactured by Eno Scientific, to measure static water level in wells, piezometers or boreholes. This portable handheld unit uses sound waves to measure the distance from the top of the well to the water level. This eliminates the need to lower anything into the well. Unlike standard water level tapes these acoustic meters are ...


    By Eno Scientific

  • World`s Most Advanced and Easiest to Use Sonic Water Level Meters

    A common theme among drillers and environmental monitoring companies is the need to repeatedly measure water levels and until recently that meant constantly lowering and raising heavy measurement tapes. If you were lucky they wouldn't get stuck or break off leading to spoiled test results and expensive repairs. Eno Scientific has solved this problem by manufacturing the ...


    By Eno Scientific

  • Qualitative determination of alachlor in water

    MATRIX: Water ANALYTE: Alachlor RANGE OF DETECTION: Qualitative Detection at 0.1 ppb MATERIALS: Alachlor RaPID AssayÒ kit. Equipment: Pipets capable of delivering 200 mL, 250 mL, 500 mL, and 1 mL, Magnetic Separation Unit, RPA-III - Micro Reader / Printer Battery Case (optional) or equivalent photometer, tape ...


  • Qualitative determination of atrazine in water

    MATRIX: Water ANALYTE: Atrazine RANGE OF DETECTION: Qualitative Detection at 0.1 ppb MATERIALS: Atrazine RaPID Assay kit Equipment: Pipets capable of delivering 200 mL, 250 mL, 500 mL, and 1 mL, Magnetic Separation Unit, RPA-III - Micro Reader / Printer Battery Case (optional) or equivalent photometer, ...


  • Qualitative determination of cyanazine in water

    MATRIX: Water ANALYTE: Cyanazine RANGE OF DETECTION: Qualitative Detection at 0.1 ppb MATERIALS: Cyanazine RaPID AssayÒ kit. Equipment: Pipets capable of delivering 100 mL, 250 mL, 500 mL, and 1 mL, Magnetic Separation Unit, RPA-III - Micro Reader / Printer Battery Case (optional) or equivalent photometer, ...


  • New University of Minnesota study documents mercury vapor emission levels and need for safer packaging, storage and transportation of fluorescent lamps

    Results of a recent study conducted by the University of Minnesota School of Public Health, Division of Environmental Health Sciences suggest that most containers used for storage and transportation of used fluorescent lamps to recycling centers do not provide necessary levels of protection against mercury vapors emitted from broken lamps. The new study, published in the March issue of the ...


    By VaporLok Products, LLC

  • Case study - oil removal from oil water separator

    Customer: Food Processor; forming and precooking prepared food items for the fast food industry.  Plant located in Upstate New York. The Problem: Customer operates three shifts of production.  The third shift is responsible for washing and sanitizing all food process equipment and surrounding areas.  Oil and grease from sausage and ...


    By SkimTech Inc.

  • Case study - Water accountability portable monitoring instruments solve flow rate mystery

    The Glen Walter Sewage Collection System was built to service 1080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Shawn Killoran took over the Operations Manger position in 1999 and, along with the Mayor and Council, he immediately had concerns about the excess flow. The Township started by video taping all of the lines ...


    By Greyline Instruments Inc.

  • Ontario Landfill Site - Case Study

    A Texas based company with waste management sites around North America have installed electrical generation plants at various locations that use methane collected from the waste. The daily operation of these sites include the management of the leachate, a liquid waste by-product of decomposition, and the collection of gas for electricity production. This is typically carried out at multiple wells ...


    By Wireless Options Inc.

  • Diver-NETZ Reduced operational costs by 97% - Case Study

    Near-real-time monitoring increased efficiency, reduced costs, and delivered critical insight into groundwater resources Challenge Reduce municipal groundwater monitoring costs, improve data quality, and achieve greater insight into groundwater resources. Solution Upgrade existing monitoring network with Diver-NETZ* wireless groundwater monitoring ...


    By Van Essen Instruments

  • Low Flow Groundwater Sampling Using RotaPump Inertial Lift Pump

    This article tells you how to perform low flow groundwater sampling using a portable, surface-mounted pump with no decontamination required before each use and  no chance of cross contamination between wells. An inertial lift pump moves a dedicated (stored in the well) pumping tube rapidly up and down.  A one-way valve on the bottom admits water on the down stroke and ...


    By RotaPump, Inc

  • National, State, and Provincial Perspectives on Distance Education in Operator Certification

    ABSTRACTThis paper discusses various national, state, and provincial perspectives on distance education as it pertains to treatment plant operator certification and continuing education. The Association of Boards of Certification, the United States Environmental Protection Agency, the Water Environment Federation, the American Water Works Association, and the Association of State Drinking Water ...

  • Can European Policies Be Dismantled?

    A recent Pew Research Center poll found that 42 per cent of Europeans were keen for some ‘powers’ to be returned to the national level, with only 19 per cent favouring further centralisation at EU level. The idea of ‘less Europe’ is not new: calls for it date back to the great subsidiarity debate of the 1990s ...


    By University of Edinburgh

  • Portable Monitoring Instruments Solve Flow Rate Mystery

    The Glen Walter Sewage Collection System was built to service 1080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Shawn Killoran took over the Operations Manger position in 1999 and, along with the Mayor and Council, he immediately had concerns about the excess flow. The Township started by video taping all of the lines ...


    By Greyline Instruments Inc.

  • PCB dredging cleanup project begins on Lake Cochituate (USA) case study

    A large ring of yellow buoys floats beside an a LWT 8” Swinging Dragon swinging ladder dredge on the surface of Pegan Cove, marking the area where contractors have started removing sediment contaminated with PCBs, left by an accident at the Soldier Systems Center 30 years ago. The PCBs were found in the section of Lake Cochituate just to the east of Natick Labs. They came from a ...

  • Sustainability in the workplace

    Being a Sustainability Practitioner you can imagine it’s a case of ‘practise what you preach’ and so we have taken the steps to leave the city environment and swap luxuries for necessities. This involves renovating an old house and attempting to reuse and recycle site material, whilst researching and using more sustainable construction material alternatives.My strategy is to work at home using ...

  • Green Strategies: Costs Dropping, Benefits Growing

    It goes without saying that when developing “green” strategies for a company the first thing that’s asked is "So, what"s this going to cost us?"  The assumption is that green strategies – to save energy, to reduce GHG emissions, to reduce water use and waste generation - will always come at a premium, with greater upfront costs compared to traditional (non-green) ...


  • Choose among membranes for RO desalination - Varied construction options available

    A wide variety of membrane types, sizes, construction options and techniques are available for removing salt from water. There are basically two types of commercial membranes used in RO applications today: cellulose acetate (CA) and thin film (TF). The former is considered an integral membrane, the latter a composite membrane. The following is basic criteria to compare one type to the other: ...


  • Mercury Spill Control Procedures

    Mercury is a dangerous neurotoxin that can have damaging affects on both the central nervous system and renal system of humans. Exposure to mercury can cause serious developmental delays in children, and high level exposure is life threatening. When exposed to air, mercury vaporizes, readily becoming a dangerous aerosol that can be absorbed into the lungs and spread throughout the body. This is ...


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