NPDES Articles

  • Analysis of wastewater for metals using ICP-OES

    The analysis of wastewater for trace metal contamination is an important step in ensuring human and environmental health. Wastewater is regulated differently in different countries, but the goal is to minimize the pollution introduced into natural waterways. In the U.S., the Environmental Protection Agency (EPA), in conjunction with the states, negotiates a discharge permit through the National ...


    By PerkinElmer, Inc.

  • The application of Flow Injection Technology to automating cold vapor MERCURY analyses

    This document describes the application of flow injection technology to cold vapor mercury analyses. It can be obtained from PerkinElmer by requesting method number ENVA-100. Appendices 1 and 2 show letters from the US EPA indicating acceptability through the Alternate Test Program for both drinking water and wastewater sample analysis. 1.0 Scope and Application 1.1 This ...


    By PerkinElmer, Inc.

  • 2011 Predictions for EPA`s Office of Chemical Safety and Pollution Prevention

    The Acta Group, L.L.C.'s (Acta) thoughts are below on what may be headed our way in 2011 from the U.S. Environmental Protection Agency's (EPA) Office of Chemical Safety and Pollution Prevention (OCSPP). In short, the general trends established by the Obama Administration during the past two years are expected to continue notwithstanding the 2010 election results. At the same time, the impact of ...


    By Acta Group

  • Self Regional Hospital, Greenwood, South Carolina - Case study

    Project Name: Self Regional Hospital Product: Grasspave2 grass reinforcement grid Application: Fire Lane City: Greenwood State/Province: South Carolina Install Date: October 2006 Install Size: ...


    By Invisible Structures, Inc.

  • Metal treatment facility eliminates wastewater

    The Facility A specialty metals facility located in Euclid, Ohio rolls, forms, cuts and presses specialty metals for the aircraft and aerospace, auto and electrical industries. This plant specializes in high value molybdenum and tungsten, as well as copper parts. The Problem As a result of the metal rinsing processes in the facility discharged water into ...

  • East coast metal treatment facility recycles wastewater

    Evaporator/Crystallizer Solves Pollution Problems The Facility A major industrial Fortune 500 company manufactures armored-tracked vehicles for the U.S. Army. The plant is located in York County, Pennsylvania. The Problem Aluminum and steel assemblies and parts undergo chemical dip and spray treatments before painting. The ...

  • EISC success at Clark county water reclamation district

    Client: Clark County Water Reclamation District (CCWRD) in Las Vegas EISC recently provided an EDD Verification and Validation Software System to the Clark County Water Reclamation District (CCWRD) in Las Vegas.  This software system allows the CCWRD to automatically verify, validate, and report sub-contracted analytical data to Discharge Monitoring Reports (DMR). Every day, ...


    By EISC

  • EISC success at United States Enrichment Corporation

    Client: United States Enrichment Corporation (USEC) in Paducah, Kentucky EISC’s Analytical Review and Reporting Suite (R & R Suite) lab data automation solution was provided to United States Enrichment Corporation (USEC) in Paducah, Kentucky. The R & R Software Systems automated the laboratory analytical process for Metals, General Chemistry, Semi-Volatiles, Volatiles, ...


    By EISC

  • Atchafalaya run - CETCO oilfield services process for treating pipeline hydrostatic test water during pigging operations

    A major pipeline company recently conducted hydrostatic testing and pigging operations on 56 miles of pipeline in south central Louisiana. The original plan for the project was to flood the pipeline with water from the Atchafalaya River and perform multiple pig runs while discharging the water from the pipeline back into the river. The company assumed the fluids returning from the pipeline would ...


    By CETCO Energy Services

  • Test & treat - treating hydrostatic test water

    A pipeline company in Iowa conducted a hydrostatic test of its pipeline, producing 39,000 barrels of fluid for treatment. The hydrostatic test water was to be discharged in accordance with a National Pollutant Discharge Elimination System (NPDES) permit. The permit required that discharge of the treated test water could not exceed a period of 14 days from the date the test was conducted. Fluid ...


    By CETCO Energy Services

  • A triple play for CETCO oilfield services - treating hydrostatic test water

    CETCO Oilfield Services was selected to treat and discharge approximately 150,000 barrels of hydrostatic test water in Houston, Texas. The water was treated and discharged into a nearby stream under a National Pollutant Discharge Elimination System (NPDES) permit from the State of Texas. The permit also required that there be no discharge of floating solids or visible foam, no discharge of ...


    By CETCO Energy Services

  • Damage control - handling major hurricane damage to production platform

    A major operating company in the Gulf of Mexico had some unique challenges when their existing systems were damaged during a major hurricane in the Gulf of Mexico. They selected CETCO Oilfield Services to provide them with temporary services, personnel for 24 hour coverage, and a complete equipment rental package to handle all the production for the platform while repairs were being conducted. ...


    By CETCO Energy Services

  • Responding to audit surprises

    An audit is a systematic and documented investigation to determine if prescribed processes are functioning as intended. We audit to find out whether processes are working properly, where they are not working properly, and how to address identified gaps. No matter how diligent the staff is in following procedures, there are nearly always revelations indicating needed corrections and opportunities ...


    By Trinity Consultants

  • Tapping the potential of codigestion

    Codigestion refers to processing multiple biodegradable substrates (feedstocks) in an anaerobic digestion (AD) system. A more contemporary definition refers to the digestion of a combination of select biodegradable feedstocks with a base substrate that an AD system was designed to handle. The intent is to maximize the production of biogas (i.e., renewable energy) by adding substrates that produce ...


    By BioCycle Magazine

  • A technical guide to complying with Federal SPCC Regulations

    Let’s start by clarifying what SPCC is not since SPCC does overlap other Federal and State environmental regulations. SPCC is not: NPDES – Permits under NPDES, such as stormwater or water discharge permits, are required to discharge pollutants into the “navigable waters of United States.” While it is never permitted to discharge “oil” into any waters of the US, there is some overlap with NPDES in ...


    By Ecocion, Inc.

  • Report to Congress: Combined Sewer Overflows to the Lake Michigan Basin

    The U.S. Environmental Protection Agency (EPA) is transmitting this Report to Congress on combined sewer overflows (CSOs) in the Lake Michigan basin. CSOs can occur in combined sewer systems (CSSs), which are defined as collection systems that carry both wastewater and storm water in the same pipe. A CSO is defined as “the discharge from a CSS at a point prior to the publicly-owned treatment ...

  • Environmental assessments and audits at aviation facilities

    Environmentalists are all about “green”, but there is another type of green that is associated with being environmentally compliant – money. There are primarily two types of environmental assessments that are performed at aviation facilities that can affect a company’s bottom line: Phase I/II Environmental Site Assessments (ESA) and General Facility Audits. The ESAs are also referred to as due ...


    By DES, Inc.

  • The 7 Tips for Highly Effective Stormwater Management By-Laws

    ABSTRACT The Stormwater Phase II Final Rule, which applies to small municipal separate storm sewer systems (MS4s) in “urbanized areas”, requires communities across the country to adopt local legislation that will control the harmful effects of stormwater runoff and prohibit non-stormwater pollution from entering the drainage system. Adopting a thoughtful and comprehensive stormwater by-law ...

  • Analysis of Mercury in Wastewater by Microwave Digestion Followed by ICP/MS: Comparison to EPA Methods Approved at 40 CFR 136.3

     ABSTRACT As a cost-saving measure, the use of an existing microwave digestion system and ICP/MS instrument was investigated for the analysis of mercury in domestic wastewater, industry effluent, storm water, and other aqueous matrices analyzed under the City of Portland’s various NPDES permits. A formal alternate test procedure application (ATP) study was undertaken to add total ...

  • Marine Sciences Investigations in Support of Level Oftreatment Decisions for Municipal Wastewater Discharges in Puerto Rico

    ABSTRACT The Puerto Rico Aqueduct and Sewer Authority (PRASA) currently has National Pollutant Discharge Elimination System (NPDES) permits that incorporate relaxation (waiver) of BOD and TSS secondary treatment requirements for six of its regional wastewater treatment plants. The waivers are available under Section 301(h) of the Clean Water Act. Maintaining the waivers requires, in part, ...

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