indoor air sampling Articles | Environmental XPRT

Study of the indoor air quality in hospitals in South Chennai, India — microbial profile

A 3-month pilot study (February—April 2006) was conducted to determine the quality of indoor air in hospitals in the Tamil Nadu region of India and to characterize the predominant aerobic bacteria and fungi present. The main objectives were (1) to sample the indoor air of three different hospitals in Chennai for bioaerosols to generate baseline data using the Petri plate gravitational settling ...

Oct. 1, 2008

By SAGE Publications Ltd

Retro-Coat™ Achieves Site Closure by Meeting Environmental Screening Levels Case Study

Lombard Street Retrofit – San Francisco, CA Retro-Coat™ (patent pending) was selected to mitigate vapor intrusion within a structure built in 1907 that had been impacted by both a former underground storage tank and a local dry cleaner. Indoor air samples taken prior to application showed chlorinated solvent-based PCE and TCE levels above the Regional Water Quality Control Board ...

May 22, 2014

By Land Science Technologies (LST) - a division of REGENESIS

Canarina DISPER Software · indoor air quality dispersion · algorithms 8

Canarina DISPER Software · indoor air quality dispersion 9.1.3 Wind Speed Profile The wind power law is used to adjust the observed wind speed, uref, from a reference measurement height, zref, to the stack or release height, hs. The stack height wind speed, us, is used in the Gaussian plume equation. The power law equation is of the form: us=uref(hs/zref)p (4) where p ...

Nov. 13, 2011

By Canarina Environmental Software

Overview of Major Changes in EPA Draft Guidance for Vapor Intrusion

The following provides a brief summary of the Draft Guidance for Evaluating the Vapor Intrusion to Indoor Air Pathway From Groundwater and Soils (Subsurface Vapor Intrusion Guidance). November 2002, EPA530-F-02-052. Major Points: This draft guidance supersedes the draft RCRA EI Supplemental Guidance for Evaluating the Vapor Intrusion to Indoor Air Pathway (Dec. 2001). It does not supersede ...

Jan. 1, 2002

By Integrated Environmental Services, Inc.

General Air Sampling Guidelines (PDF)

This Standard Operating Procedure (SOP) provides guidance in developing and implementing sampling plans to assess the impact of hazardous waste sites on ambient air. It presents the United States Environmental Protection Agency/Environmental Response Team's (U.S. EPA/ERT's) approach to air sampling and monitoring and identifies equipment requirements. It is not within the scope of this SOP to ...

Jan. 1, 1994

By US EPA - Environmental Protection Agency

Georgia (GA) Indoor Air Quality and Mold Expert

We provide indoor air quality (IAQ) pollution testing/sampling throughout Georgia (GA) for problems such as mold, bacteria, chemicals, allergens, dust, asbestos, lead and Building Related Illness or Sick Building Syndrome. We have 40 years of experience in indoor air quality experts with the ability to investigate, test for and correct IAQ pollution problems in a wide variety of settings ...

Nov. 5, 2018

By Atlantic Environmental, Inc.

Texas (TX) Indoor Air Quality and Mold Expert

We provide indoor air quality (IAQ) pollution testing/sampling throughout Texas (TX) for problems such as mold, bacteria, chemicals, allergens, dust, asbestos, lead and Building Related Illness or Sick Building Syndrome. We have 40 years of experience in indoor air quality experts with the ability to investigate, test for and correct IAQ pollution problems in a wide variety of settings including ...

Nov. 5, 2018

By Atlantic Environmental, Inc.

Indiana (IN) Indoor Air Quality and Mold Expert

Indiana Indoor Air Quality Test & Sampling We provide indoor air quality (IAQ) pollution testing/sampling throughout Indiana (IN) for problems such as mold, bacteria, chemicals, allergens, dust, asbestos, lead and Building Related Illness or Sick Building Syndrome. Our History We have 40 years of experience in indoor air quality experts with the ability to investigate, test for and correct ...

Jul. 1, 2019

By Atlantic Environmental, Inc.

Mold Testing – Interpreting Air Sample Results

Budget considerations often limit the number of air, surface or bulk samples that can be taken in an IAQ investigation. Once the laboratory has returned the test data, then someone has to decide how to interpret it. It’s not enough to simply compare indoor data to the data collected in the outdoor or control sample. Indoor air samples are subject to two kinds of error: False Positives and ...

Jun. 1, 2019

By Atlantic Environmental, Inc.

Residential Vapor Intrusion Evaluation: Long Duration Passive Sampling v. Short Duration Active Sampling

Abstract Sampling indoor air for potential vapor intrusion impacts using current standard 24-hour sample collection methods may not adequately account for temporal variability and detect contamination best represented by long-term sampling periods. Mr. Henry Schuver of the U.S. Environmental Protection Agency (EPA) Office of Solid Waste staled at the September 2007 Air & Waste Management ...

Jul. 1, 2008

By Beacon Environmental Services, Inc.

Soil Sampling under Buildings and Solving Vapor Intrusion using Horizontal Drilling

The Issue: The New Jersey Department of Environmental Protection (NJDEP) mandated soil and groundwater sampling under an active pharmaceutical company manufacturing building in order to address vapor intrusion inside the building. Installation of vertical borings and wells through the building slab was not practicable without profound disruption of manufacturing activities inside the building. ...

Oct. 22, 2010

By Directional Technologies, Inc.

Pollution survey of carbonyl compounds in train air

The train is an important vehicle in China, but its air quality has important impacts on passengers’ health. In this work, pollution from carbonyl compounds was measured in the air of six trains. The objectives of this work were to investigate carbonyl compound levels in selected air from trains, identify their emission sources, and assess the intake of carbonyl compounds for passengers. The ...

Jan. 1, 2007

By Springer-Verlag GmbH

NEW YORK (NY) Indoor Air Quality and Mold Experts

We provide indoor air quality (IAQ) pollution testing/sampling throughout the New York City (NYC) and New York State (NY) area for problems such as mold, bacteria, chemicals, allergens, dust, asbestos, lead and Building Related Illness or Sick Building Syndrome. We have provided IAQ and mold services in the NYC area for 40 years! Do You Have Indoor Air Quality Issues In Your New York Building? ...

May 1, 2019

By Atlantic Environmental, Inc.

Vapor intrusion and indoor air quality due diligence during property transactions

Vapor intrusion (i.e. the migration of volatile chemicals from contaminated soil and/or ground water through the subsurface into overlying building structures) as a contributing indoor air has become a growing concern for property owners and prospective purchasers in recent years as it can cause significant indoor air quality problems. This is largely due to the increased focus on this issue by ...

May 18, 2009

By Environmental Waste Management Associates LLC (EWMA)

New Jersey (NJ) Indoor Air Quality and Mold Expert

Indoor Air Quality testing in NJ We provide indoor air quality (IAQ) pollution testing/sampling throughout New Jersey, New York City, and New York State for problems such as mold, bacteria, chemicals, allergens, dust, asbestos, lead and Building Related Illness or Sick Building Syndrome. Investigation, Testing, and Correctness We are indoor air quality experts with the ability to investigate, ...

May 1, 2019

By Atlantic Environmental, Inc.

Wisconsin (WI) Indoor Air Quality and Mold Expert

We provide indoor air quality (IAQ) pollution testing/sampling throughout Wisconsin (WI) for problems such as mold, bacteria, chemicals, allergens, dust, asbestos, lead and Building Related Illness or Sick Building Syndrome. We have 40 years of experience in indoor air quality experts with the ability to investigate, test for and correct IAQ pollution problems in a wide variety of settings ...

Nov. 5, 2018

By Atlantic Environmental, Inc.

Hurricane Damage 2018 – Mold, Bacteria, Insects and More

In the aftermath of the devastating hurricane season of 2017 (Harvey, Irma, Jose, Maria and ?), there are many hazards to humans other than just mold. Get ready for a busy 2018 Hurricane Season (Florence!!!). Certainly mold is the most obvious. Storm surge, torrential rains, power outages, and hot humid summer/fall days all serve to create a vast mold incubation condition. Bacteria are also ...

Sep. 19, 2018

By Atlantic Environmental, Inc.

Chicago Indoor Air Quality and Mold Experts

We provide indoor air quality (IAQ) testing in the Chicago area for problems such as mold, bacteria, chemicals, allergens, dust, asbestos, lead and Building Related Illness or Sick Building Syndrome. Indoor Air Quality Problems in Chicago? We are Illinois’ indoor air quality experts with offices in the Chicago area with the ability to investigate, test for and correct IAQ problems in a ...

May 1, 2019

By Atlantic Environmental, Inc.

Indoor Air Quality (Solving a Mystery)

Are workers experiencing adverse health conditions because of their workplace? As Environmental Consultants, we often hear from company owners and project or safety managers who are looking to solve an indoor air quality (IAQ) mystery for their company. They say that one or more of their workers are complaining that they are experiencing adverse health conditions because of their place of work. ...

May 1, 2019

By Atlantic Environmental, Inc.

Dallas/Fort Worth Indoor Air Quality and Mold Experts

We provide indoor air quality (IAQ) testing in the Dallas/Fort Worth area for problems such as mold, bacteria, chemicals, allergens, dust, asbestos, lead and Building Related Illness or Sick Building Syndrome. We are Texas’ indoor air quality experts with offices in the Dallas/Fort Worth area with the ability to investigate, test for and correct IAQ problems in a wide variety of settings ...

Jul. 1, 2019

By Atlantic Environmental, Inc.

Subscribe to our eBulletins