<prompt> Translate the following text to EnglishGGD ilitumia uchunguzi, mahojiano, na uchambuzi wa hati katika maeneo matatu katika Bandari ya New York na kuiongezea idadi ndogo ya uchunguzi wa chini katika maeneo mengine.  <response>: GGD used observations, interviews, and document analysis at three sites in the Port of New York and supplemented these with a small number of less intensive observations at other sites. 