No further excavation was performed due to wet weather. Abandoned Lagoon A kickoff meeting was held on Wednesday, June 24 for the excavation of the abandoned lagoon. OHM plans to mobilize mid to late July, depending on continued wet weather. Health and Safety Additional air monitoring results were obtained through June 20, as shown on the attached Weekly Summary Sheet. No additional personnel sampling was performed in the TF area.
Results are pending.
CO levels in the ISF were measured at 10 to 14 ppm average before the start up of the water treatment pumps and the third press. After the startup of this equipment the CO levels increased. Filters on the HEPA ventilation system were changed to increase ventilation. The exhausts of stationary diesels will be vented outside and the gasoline powered high pressure washer will be located outside. Eight storm water outfalls from the WT site to Clear Creek have been identified, located and mapped using old city maps as a guide.