Matsayin Biosafety 2 (BSL-2) saitin ayyuka ne na dakin gwaje-gwaje da dabarun da aka tsara don rage haɗarin fallasa ga ƙwayoyin cuta masu yuwuwar kamuwa da cuta ko wasu kayan halitta. BSL-2 shine matakin na biyu na kiyaye lafiyar halittu, kuma ya shafi aiki tare da wakilai waɗanda ke haifar da matsakaicin haɗari ga ma'aikata da muhalli. safar hannu, rigar lab, da kariyar ido, kuma duk kayan aikin dakin gwaje-gwaje an gurbata su da kyau kafin amfani. An hana shiga dakin gwaje-gwaje, kuma akwai takamaiman hanyoyin sarrafawa da zubar da kayan halitta. da kuma wasu layukan tantanin halitta da DNA recombinant. Ana amfani da dakunan gwaje-gwaje na BSL-2 a wurare daban-daban, gami da dakunan gwaje-gwaje na asibiti da bincike, cibiyoyin bincike, da kamfanonin fasahar kere-kere.