21. Environmental testing was also being conducted on district post offices Tuesday night, city and federal health officials said.22. Immediately after Rachel died, Irving health officials began environmental testing at the Johnson house and quarantined the home. 23. City officials made their startling disclosures as the Capitol reopened but congressional offices remained shuttered for environmental testing . 24. TDH Laboratory Services provide analytical services of medical and environmental testing at its facilities in Nashville and Knoxville. 25. In Santa Barbara, for example, more extensive environmental testing must be done to obtain a Coastal Commission operating permit. 26. Excavation is expected to finish by January 2015, followed by environmental testing , estimated to take 24 to 36 months. 27. The environmental testing business has not contributed to our corporate earnings and is not consistent with our corporate strategy, 28. Environmental testing at NBC showed some anthrax presence on surfaces and the company hired contractors to clean those areas.29. Environmental testing at her Bronx apartment and at the outpatient hospital where she worked found no evidence of anthrax.30. In the late 1990s, environmental testing revealed that much of the soil nearby was contaminated by lead from shotgun tests.