Shortly after CitySpire's completion, Eichner was concurrently negotiating construction loans with his lenders,[1][109] which included Citibank and European American Bank.[109] He was also delinquent on $3.7 million of tax payments, which the city sued that July to recover.[3] In October 1990, European American Bank challenged the collateral behind $50 million worth of construction loans on the building.[110] The next month, the bank foreclosed on the loans.[77] That December, the New York City Department of Environmental Protection (DEP) fined CitySpire for noise violations, making CitySpire the first building to be individually cited by the DEP for noise pollution. The DEP had received hundreds of complaints about a loud whistling noise that was audible several blocks away; the noise was caused by wind blowing through louvers on the dome.[5][111] Neighbors reported being kept awake by the noise.[112][113] Monroe Price opined that "the community should attempt to understand what the building is trying to say",[9][114] while Progressive Architecture said: "In a less restrictive era, we might look forward to developers' plans for 'The Wind Chime Centre' or 'One Kazoo Plaza'."[115]