Environmental Testing Confirms Soil Vapor Levels Acceptable for Residential Construction The City of Flagstaff has had a fourth and final independent set of tests, completed by the environmental consulting firm of Ninyo & Moore, which confirms soil vapor levels at the Sawmill property are acceptable for residential construction without mitigating measures and do not pose a significant threat to human health. The three sets of test results performed after initial testing do not … [Read more...] about City Prepares to Re-Open Bidding on Sawmill Property