The bureau's summary reiterates a local government assertion last year that Johnson Controls had used more lead in its manufacturing than was allowed by a local quota.
He rejected Mr Wells assertion that local GPs were unhappy and said the trust had been engaging with GPs "not just in the wider community, but those general practitioners who work in the out of hours service for some time".
Earlier this year Texas legislators introduced a bill to ban municipal networks, based on the assertion that state and local governments should be prevented from delivering telecommunications services.