Optimal Time for Collecting Volatile Organic Chemical Samples from Slowly Recovering Wells ppt
Optimal Time for Collecting Volatile Organic Chemical Samples from Slowly Recovering Wells ppt
... RA Griffin, 1991, Appendixes A and B to Optimal Time for Collecting Volatile Organic Chemical Samples for Slowly Recovering Wells: Illinois State Geological Survey, Open ... Investigations, Book 1, Chapter 0-2, 24 p. 18 Optimal Time for Collecting Volatile Organic Chemical Samples from Slowly Recovering Wells Sheng-Fu J. Chou, Beverly L. Herzog, ... sampling for volatile organic compounds is their loss from the sample before analysis. To be conservative, we defined the optimal time for sampling for volatile organic...
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PROTOCOL FOR EQUIPMENT VERIFICATION TESTING OF VOLATILE ORGANIC CHEMICAL REMOVAL ppt
... analysis of QC samples analyzed with field samples. QC samples for analysis shall be prepared with laboratory control samples, matrix spikes and spike duplicates. It is recommended for verification ... capabilities, requirements for chemicals and materials, power, labor requirements, suitability for process monitoring and operation from remote locations, ability to be managed by part- time operators; ... Samples 1-24 6.4.2.2 Method Blanks 1-24 6.4.2.3 Spiked Samples 1-24 6.4.2.4 Travel Blanks 1-24 6.4.2.5 Performance Evaluation Samples for On-Site Water Quality Testing 1-24 6.5 Data Reduction,...
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ALDEHYDE AND OTHER VOLATILE ORGANIC CHEMICAL EMISSIONS IN FOUR FEMA TEMPORARY HOUSING UNITS – FINAL REPORT pdf
... field samples. Samples were collected from the trailers for 60 minutes at ~ 1 lpm using personal sampling pumps that were calibrated before use and checked after use. Samples were collected from ... were used for the sub-floor and for the bench and bed platforms. Whole-trailer and material specific emission factors were calculated for 33 compounds. The THU emission factors and those from their ... measured material-specific emission factors for volatile organic compounds, including formaldehyde, were similar to values reported in the literature for materials. However, it is important to...
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Volatile Organic Compound Emissions from Automobile Refinishing -- Background Information for Promulgated Standards pot
... 27711August 1998 Volatile Organic Compound Emissions from Automobile Refinishing Background Information for Promulgated Standards2-21as primers and primer surfacers; information available ... differ from typical refinishtopcoats in that they are typically used by automobile owners torepair minor scratches or nicks, require no mixing prior to Volatile Organic CompoundEmissions from ... State/local regulationsC VOC content and sales informationC Performance considerations C Cost considerationsC Market impacts The sources of information for these factors included:C Pre-proposal...
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INSPECTION TOOL FOR THE MISCELLANEOUS ORGANIC CHEMICAL MANUFACTURING NESHAP pptx
... it is the “catch all” MACT standard for miscellaneous organic chemical processes that have not been regulated under earlier standards. Therefore, an organic chemical manufacturing process that ... the promulgated national emission standards for hazardous air pollutants (NESHAP) for miscellaneous organic chemical manufacturing (i.e., miscellaneous organic NESHAP, or MON). The final rule ... agency files for information on the facility, and review all relevant information. Subpart FFFF requires each facility that is subject to the regulation to prepare “operating scenarios” for each...
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BROMINATED AND CHLORINATED ORGANIC CHEMICAL COMPOUNDS USED AS FLAME RETARDANTS ppt
... porpoises from the United Kingdom from 1994-2003 indicated a sharp increase in HBCD concentrations from about 2001 onward (Law et al., 2006). In California, levels of HBCD in sea lions increased from ... and found α-HBCD in 50% of samples of maternal adipose tissue (levels ranging from 1 – 12 ng/g lw). α-HBCD was found in 7 of 26 breast milk samples (levels ranging from 2.5 – 5 ng/g lw). HBCD ... (IPCS, 1997). No information was found on the U.S. production/imports volume for this chemical. HCDBCO has been found in house dust in Ottawa, Canada at levels ranging from less than 0.24 ng/g...
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Reduction of Volatile Organic Compound Emissions from Automobile Refinishing docx
... reductions are from assumed baselines. Therefore, if the baseline for a particular automobile refinishing shop is different from that developed in this study, then the reduction for a particular ... Research Triangle Park NC 27111 Reduction of Volatile Organic Compound Emissions from Automobile Refinishing control technology center 2-5 (savings) for implementation of the alternative controls ... strategies for reducing VOC emissions from automobile refinishing operations. The information in this document will allow planners to: for reducing VOC emissions from automobile refinishing operations;...
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Reproductive intentions and choices among HIV-infected individuals in Cape Town, South Africa: Lessons for reproductive policy and service provision from a qualitative study ppt
... KEY FINDINGS Participant characteristics Average time since HIV diagnosis was 2.5 years for women (range 2 weeks–8 years) and 2.8 years for men (range 2 weeks–10 years). The average age of ... marriage, her child from a previous relationship would be stigmatised. In other cases, where women had disclosed their status to family, they were discouraged from bearing children. Sometimes this ... what my dates are for the next appointment. - woman on ART Providers believed that although counselling should be ongoing, the most crucial moments for counselling were before and after voluntary...
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Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
... ofcontamination.9.2 All samples must be iced or refrigerated at 4°C from the time of collection untilextraction. PAHs are known to be light sensitive; therefore, samples, extracts, andstandards ... sample is suspect and may not be reported for regulatorycompliance purposes.8.5 As part of the QC program for the laboratory, method accuracy for wastewater samples must be assessed and records ... an ongoing basis, spike at least 10% of the samples from eachsample site being monitored to assess accuracy. For laboratories analyzing one to ten samples per month, at least one spiked sample...
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Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... unspikedsample is suspect and may not be reported for regulatory compliance purposes.8.5 As part of the QC program for the laboratory, method accuracy for wastewater samples must be assessed and records ... andparticipate in relevant performance evaluation studies.9. Sample Collection, Preservation, and Handling9.1 All samples must be iced or refrigerated from the time of collection until analysis. ... based uponmeasurements of actual retention time variations of standards over the course of a day.Three times the standard deviation of a retention time for a compound can be used tocalculate a...
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