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. Ch...

Ngày tải lên: 05/03/2014, 21:20

... 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 manag...

Ngày tải lên: 14/03/2014, 19:20

... 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 facto...

Ngày tải lên: 22/03/2014, 14:20

... 27711 August 1998 Volatile Organic Compound Emissions from Automobile Refinishing Background Information for Promulgated Standards 2-21 as primers and primer surfacers; information available ... differ from typical refinish topcoats in that they are typically used by automobile owners to repair minor scratches or nicks, require no mixing prior to Volatile Organic Compound Emiss...

Ngày tải lên: 22/03/2014, 14:20

... 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...

Ngày tải lên: 22/03/2014, 14:20

... 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...

Ngày tải lên: 05/03/2014, 20:20

... 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 implementatio...

Ngày tải lên: 22/03/2014, 14:20

... 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....

Ngày tải lên: 14/03/2014, 16:20

... of contamination. 9.2 All samples must be iced or refrigerated at 4°C from the time of collection until extraction. PAHs are known to be light sensitive; therefore, samples, extracts, and standards ... sample 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 ass...

Ngày tải lên: 14/02/2014, 03:20

... unspiked sample 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 ... and participate in relevant performance evaluation studies. 9. Sample Collection, Preservation, and Handling 9.1 All samples must be iced or refrigerated from the time of c...

Ngày tải lên: 14/02/2014, 03:20