Ammonia leak reported in the 4600 block of South 40th Street (Broadway Rd) in Phoenix, Arizona.
Units responding, staged or on scene include: E32+ E38+ E272+ E277+ R32 C99 C959 C957N C957S PI3 SQ8+ L4 BC2 BC5 SDC CRV CRVA CRVB CRVC CRVD HM4 HM38 PHXP03 RP0000 SI272 SS274 U29.