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INDIANAPOLIS, Indiana, Jan. 18 - /EWire/ -- Often soil and vermiculite material will contain asbestos fibers either as naturally occurring asbestos in rock, such as serpentine, or as contamination from asbestos removal activities. The need to identify the presence of asbestos fibers in of these materials may often be necessary prior to alteration, remediation, or removal of such material. Serpentine rock is often a component of road material, parking lots, playground surfaces, waste piles, and general excavation and construction sites. Vermiculite is especially common in the insulation material often found in attics and crawlspaces as well as gardening products, such as potting soils and fertilizers. The vermiculite can be in loose form, blown-in insulation, or in the ceiling texture paint found in buildings, commonly known as "popcorn ceiling."

"For construction, paving, school, development, excavation, mining, and other related companies, the CARB 435 method allows clients to check for asbestos with accuracy before they excavate", states Daniel B. Kocher, Western Sales Manager for EMSL. "The method provides our clients with an accurate determination of asbestos content prior to commencement. In addition, the use of in-house milling allows EMSL to provide maximum options for turn-around."

For the identification of asbestos in either soil or vermiculite, EMSL Analytical, Inc. follows the California Air Resources Board Method 435 (CARB 435). This method involves a fine milling of the sample to create a completely homogenous mixture. This maximizes the possibility of detection and increases the accuracy of quantification. The analysis can be performed by Polarized Light Microscopy (PLM) or Transmission Electron Microscopy (TEM). Both analyses use the widely recognized EPA/600/R-93/116 method. The PLM method uses a 400-point count or 1000-point count. The TEM analysis is used for a more definitive analysis with sensitivities down to 0.001% by weight.


EMSL now offers 4 levels of analysis for the EPA/600/R-93/116 CARB 435 Method:

CARB 435 Analysis Pricing Options

72-Hrs 5 Days Standard

435.A PLM 0.25% sensitivity level $95 $75 $50

435.B PLM 0.1% sensitivity level $145 $120 $95

435.C TEM 0.01% sensitivity level $255 $205 $180

435.D TEM 0.001% sensitivity level $300 $250 $225

24-Hour or 48-Hour options are available with prior notice and only if the sample composition allows for enough time to dry the sample prior to milling. Call for details.

For additional information about this method,please contact us at 1-888-455-3675, or go to the California Resources Board


About EMSL Analytical:

EMSL Analytical, Inc. currently services 7,000 clients world-wide. Those clients include IAQ professionals, environmental consultants, abatement firms, restoration firms, environmental engineers, industrial hygienists, construction firms, engineering firms, remediation firms, contractors, mortgage companies, home inspectors, building inspection firms, carpet cleaners, duct cleaners, home owners, home builders, air conditioning contractors, roofing companies, health and safety professionals, hospitals, doctors, manufacturing firms, management firms, real estate firms, landlords, mortgage companies, attorneys, testing firms, laboratories, schools, universities, forensic consultants, health departments, fortune 500 firms and state, local and federal government agencies.

EMSL Analytical, Inc. currently operates 24 laboratories throughout the nation with full analytical services, including environmental microbiology (mold, bacteria, legionella, coliforms, indoor allergens, mycotoxins, endotoxins), DNA based polymerase chain reaction (PCR), asbestos, lead, indoor air quality, industrial hygiene, environmental chemistry, materials, forensic, failure, and mechanical testing. In addition to laboratory services, the firm provides mold management seminars, free IAQ seminars, and free sampling workshops at locations throughout the country.

EMSL Analytical currently holds accreditations with the American Industrial Hygiene Association (AIHA), the AIHA Environmental Microbiology Laboratory Accreditation Program (EMLAP), the AIHA Environmental Lead Laboratory Accreditation Program (ELLAP), the AIHA Industrial Hygiene Laboratory Accreditation Program (IHLAP), the National Voluntary Laboratory Accreditation Program (NVLAP), the New York Department of Health (NYDOH), TX DOH, CA E-LAP and various other state, federal and private accrediting bodies. The labs are also successful participants in AIHA's Proficiency Analytical Testing (PAT), Environmental Lead Proficiency Analytical Testing (ELPAT), and the Environmental Mold Proficiency Analytical Testing (EMPAT) programs. EMSL maintains a rigorous in-house QA/QC program to ensure our clients are receiving the most accurate and legally defensible results possible.

For more information:

Joe Frasca VP, Sales & Marketing EMSL Analytical, Inc. 1-800-220-3675 ext 1213


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