All Articles & News
Characterization of Wildfire Smoke Residues in Residential Properties
INTRODUCTION The purpose of the study was to characterize the effects of selected parameters on the evaluation of wildfire smoke residues when evaluating their impact on structures, primarily residential properties but other structures as well. The study included...
Site Assessment: Moisture Mapping
When you, the owner, or the insurance company hire another company to assess the extent and details of a loss and the progression of restoration…
Mold Homeowners are at odds with builders & insurers over who should pay to clean up ‘toxic’ varieties By DIANE WEDNERTIMES December
Mold found at northern Pinal school
By DANIEL DULLUM, Staff Writer Florence Reminder, November 19, 2008
Questions concerning the mold remediation process at Walker Butte K-8 school never came up at the Florence Unified School District Board of Education meeting on Nov. 12 in Copper Basin. But, according to the company handling the…
Knowing the Limitations of the Tools in Your Toolbox, IE Connections
Top Indoor Environmental Quality (IEQ) Issues Facing Buildings, IE Connections Article
A Comparison of the Wet Wipe and Tape Lift Methods for Sampling Surface Char in Residential Properties Impacted by Wildfire Smoke
IAQA elects Derrick Denis, CIEC, CIAQP of Clark, Seif, Clark as VP, Restoration & Remediation Magazine 2010
Restoration & Remediation Magazine (IAQA Installs New Directors & Officers)
The Use of HEPA-Equipped Devices in Remediation, Abatement and Restoration
IEC article -To Err is Human Is to IR Divine: Myths Regarding IR Thermography for the IEQ Industry – Derrick A. Denis of CSC
California’s Indoor Air Quality Program Targets VOCs
July 19, 2011
PRLog — Volatile organic compounds (VOC’s) refer to chemicals with significant vapor pressures, so they can easily be emitted into the environment as a gas. VOCs can be released from both solids and liquids.According to the U.S. Environmental Protection…
Dirty Air Ducts and Indoor Air Quality Issues for Building Occupant
Air ducts are a critical component of a building’s HVAC system. They deliver ventilation and a path for warm or cool air to provide a pleasant indoor environment for building occupants in homes, schools and commercial buildings…
Property Damage and Mold Contamination Often Left Behind Following Natural Disasters
Chatsworth, CA –WEBWIRE-Wednesday, November 15, 2017
In the past several months, Hurricanes Harvey, Irma, Jose and Maria left paths of destruction worth billions of dollars. The natural disasters destroyed or damaged tens of thousands of homes, business, schools and…
Environmental Topics: Informational Videos 2019
Health & Safety: Informational Videos Polychlorinated Biphenyls (PCBs) in Building Materials Legionella and Monitoring Building Water
Vermiculite Insulation could be a Health Threat to Families
WEBWIRE – June 13, 2017
The indoor environmental quality (IEQ) professionals at Clark Seif Clark (CSC) provide asbestos sampling to ensure building occupants are not exposed to their deadly fibers. Since 2002, the California Department of Public Health (CDPH) has been conducting
California Air Pollution Control District Reminds Residents about Asbestos Testing Requirements
June 28, 2011
Recently, the Monterey Bay Unified Air Pollution Control District issued an advisory regarding cleanup efforts in Capitola Village. The concerns resulted from remediation efforts following floods this spring that damaged a number of structures.
Infrared Expert from Clark Seif Clark Discusses Thermography
April 4, 2011
PRLog – An article in the February 2011 issue of Indoor Environment Connections (IEC) discusses the benefits and limitations of utilizing infrared (IR) cameras during IAQ investigations. Entitled “To Err is Human – Is to IR Divine?”, the article provides an in-depth
Leading Building Sciences Firm to Present at the AASBO Conference
Chatsworth, CA – WEBWIRE
Tuesday, July 19, 2011
On July 20th through the 23rd, hundreds of Arizona school business officials and other education professionals will come together for one of the largest and most comprehensive professional development conferences in Arizona.
Thousands Evacuated and Countless Homes and Businesses Threatened by California Wildfires
Chatsworth, CA – WEBWIRE – May 29, 2020
While some structures have been burnt to the ground, others have remained standing with varying degrees of smoke damage. Some of these commercial and residential properties are miles away from the actual flames as thick smoke from these wildfires can be carried great distances.
TCE Exposure Risks Due to Vapor Intrusion & Other Pathways
Chatsworth, CA –WEBWIRE – February 10, 2015
Vapor intrusion occurs when there is a migration of volatile chemicals from contaminated groundwater or soil into an overlying building. Volatile chemicals emit vapors that migrate through subsurface soils and into indoor air spaces that can cause exposure concerns for the building’s occupants…
PERC Exposure Risks Due to Vapor Intrusion and Other Pathways
Chatsworth, CA – WEBWIRE – Tuesday, July 5, 2016
The San Gabriel Valley Tribune recently published an article about indoor air quality testing that is being conducted by the U.S. Environmental Protection Agency (EPA). Over 100 residential homes, commercial…
New Workplace Crystalline Silica Requirements Begin this Month
Chatsworth, CA – WEBWIRE Wednesday, June 1, 2016
Silica is a part of the environment, commonly occurring in most soils. Chronic exposure to respirable crystalline silica particulates has long been known to cause restrictive lung disease and complications…
PCB-Containing Caulk Found in Many Homes and Buildings
Chatsworth, CA – WEBWIRE – Monday, October 10, 2016
Caulking is a common building material found in virtually all homes and buildings. The flexible material is used to seal gaps and joints to make them water and airtight. Unfortunately, many caulking materials used in…
Identifying and Mitigating Particulate Matter Pollution Exposure Risks
Chatsworth, CA –WEBWIRE Thursday, December 1, 2016
Particulate matter (PM) is described by the U.S. Environmental Protection Agency (EPA) as a mixture of solid particles and liquid droplets found in the air. Some of these particles, such as dust, dirt, soot or smoke…
Occupational Hazards due to Exposures to Welding Fumes and Gases
Chatsworth, CA –Wednesday, March 1, 2017
More than 500,000 workers in a wide variety of industries are exposed to a unique combination of both safety and health risks according to the Occupational Safety and Health Administration (OSHA). These workers are involved with…
Identifying and Preventing Exposure Risks to the Growing Number of Superbugs
Chatsworth, CA –WEBWIRE – Wednesday, October 12, 2016
Last month, for only the fourth time in its history, the United Nations General Assembly took up a health issue and voted to take a broad and coordinated approach to confront antimicrobial resistance. The historic…
Property Damage and Mold Contamination Often Left Behind Following Natural Disasters
Chatsworth, CA –WEBWIRE-Wednesday, November 15, 2017
In the past several months, Hurricanes Harvey, Irma, Jose and Maria left paths of destruction worth billions of dollars. The natural disasters destroyed or damaged tens of thousands of homes, business, schools and other properties across hundreds of square miles of the United States…
Mold in Classrooms a Problem for Some Students and Faculty as the New School Year Begins
Chatsworth, CA – WEBWIRE – Tuesday, September 1, 2015
Students in many parts of the country have already been in class for weeks, while others start the new school year after Labor Day. Regardless of when students begin school, the indoor environmental…
Identifying Asthma Triggers at Work and in the Home
Chatsworth, CA –WEBWIRE – Tuesday, May 16, 2017
This time of year is the peak season for many allergy and asthma sufferers, making the month of May the ideal time to recognize Asthma Awareness Month and World Asthma Day, which took place on May 2nd…
Why the U.S. Should Ban Asbestos Immediately
December 17th, 2007
Senator Patty Murray is trying for the third time in six years to get Congress to ban the use and import of asbestos in the United States. According to the World Health Organization, more than 40 countries have banned…
Outdoor Air May be Dirty, but Indoor Air can be Worse
June 2, 2007
Think you can step inside to get a break from dirty air? Think again. The air inside your home can be two to five times as polluted as the air…
Indoor Environmental Health “Around the Rock”, Part One in a Multipart Series
What are the health effects associated with mold overexposure?
How to prevent mold growth in the home (bathroom vents, leak detection, rapid drying, condensate pans, running toilets, new refrigerators, broken roof tiles, grading, weep screed…
Knowing the Limitations of the Tools in Your Toolbox
October 2008
Knowing the Limitations of the Tools in Your Toolbox, by Derrick A. Denis V.P. Indoor Environmental Quality Clark Seif Clark, Inc. (CSC) Phoenix, Arizona If you haven’t seen it, I’ll save you some…
Mold Discovered in Florence School
MOLD DISCOVERED IN FLORENCE SCHOOL – October 15, 2008
The following news release was sent by the Superintendent of the Florence Unified School District No. 1: On August 25, 2008, it was first reported to the Facilities Administrator…
New York City Guidelines on Assessment and Remediation of Fungi
GUIDELINES ON ASSESSMENT AND REMEDIATION OF FUNGI IN INDOOR ENVIRONMENTS
Executive SummaryOn May 7, 1993, the New York City Department of Health (DOH), the New York City Human Resources Administration (HRA), and the Mt. Sinai Occupational Health Clinic convened an…
Identification Of Meruaiporia Incrassata
The increased concern over building wood structural damage caused by wood decay fungi has hastened the need for reliable and accurate identification of the cause, particularly Meruliporia incrassata (Poria incrassata), a water- conducting brown-rot fungus…
How to Pass a Mold Clearance Test on the First Try
Health & liability issues such as: Asbestos, Lead Based Paint, Biological Contaminants..
Case Study: Industrial Hygiene #2
CSC Industrial Hygienist collecting sample in the breathing zone of a worker to assess chemical exposure. In 2007, new State regulations mandated the fluoridation of public drinking water…
General Asbestos Guidelines for Renovation and Construction in Maricopa County
All demolition activities regardless of the presence or non-presence of asbestos.All renovation activities that will disturb friable asbestos-containing material greater than or equal to 160 square feet, 260 linear feet, or 35 cubic feet…
Senate Passes Asbestos Ban
October 5, 2007
The Pump Handle by CMonforton Nearly 7 years ago, the late Senator Paul Wellstone (D-MN) and Senator Patty Murray (D-WA) began a legislative effort to ban asbestos-containing products. Yesterday, the “Ban…
Mesothelioma News
December 17th, 2007
Senator Patty Murray is trying for the third time in six years to get Congress to ban the use and import of asbestos in the United States. According to the World Health Organization, more than 40 countries have banned…
Green Buildings
The Leadership in Energy and Environmental Design (LEED) Green Building Rating System™ is the nationally accepted benchmark for the design, construction, and operation of high performance green buildings…