Air Data

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Real-Time Air Data Week of September 22, 2008

Real-Time air (dust) monitoring (Near Field Zone monitoring) - this type of air monitoring will determine if dust is migrating outside of the immediate work area so that additional dust control measures can be implemented before any dust can move off-site. This monitoring will consist of continuous, real-time dust monitoring upwind and downwind of the work zone during all phases of work with potential for significant release of dust (i.e., during soil excavation, backfill, waste placement, and cap installation.) Real-Time monitoring provides immediate information on the amount of dust (not just lead) being generated.

The real-time monitors will be moved around on a daily basis based on the location of work activities for the day.

Click on the date below to view graphs showing the real-time air monitoring data for the week of September 22, 2008.
Monday, September 22, 2008 (working hours) - Air Monitors 1 and 6 had half hourly average readings recorded that were at or above the Action Level for the areas they were in. There was no visible dust and the work area was wet. No additional dust control action was necessary. Co-located samples were collected at the same time as the air monitors ran and data for those samples will be provided on this page once they are available.
                    Monday, September 22, 2008 (non-working hours)
Tuesday, September 23, 2008 (working hours)
                   Tuesday, September 23, 2008 (non-working hours)
Wednesday, September 24, 2008 (working hours) - The data logger function on Air Monitor 1 did not record the hourly averages. The graph was generated from hourly real time readings collected by AGC personnel.

Wednesday, September 24, 2008 (non-working hours) - Air Monitors 2 and 4 had half hourly average readings recorded that were above the Action Level for the areas they were in. The work area was saturated at the end of the work day. Co-located samples were collected at the same time as the air monitors ran and data for those samples will be provided on this page once they are available.

Thursday, September 25, 2008 (working hours)
                    Thursday, September 25, 2008 (non-working hours)
Friday, September 26, 2008 (working hours) - As approved by USEPA and PADEP, real-time dust monitoring was stopped at approximately 10:30 am because it was raining. Co-located samples were however collected during this time period. Results for those samples will be provided on this page once they are available.
                    Friday, September 26, 2008 (non-working hours)
Saturday, September 27, 2008 (working hours) - Real-time dust monitoring was not performed because it was raining. Co-located samples were however collected during this time period. Results for those samples will be provided on this page once they are available.

Weekend, September 27, 2008 through September 29, 2008 (non-working hours)

Page Last Modified Tuesday March 02, 2010 02:46:25 PM