Fig. 4From: Identifying VOCs in exhibition cases and efflorescence on museum objects exhibited at Smithsonian’s National Museum of the American Indian-New YorkOn-site sampling locations: a Eastern Woodlands wall case, SPME fiber mounted into internal Ethafoam® support of Oklahoma Shawnee coat; NMAI 02/0528, b Andes wall case, SPME fiber in back of shelf between two Moche stirrup spout ceramic vessels; NMAI 23/8958 and NMAI 16/8980, c Northwest Coast focal point case, paired SPME fibers in direct contact with efflorescence on cotton ties of Kwakwaka’wakw headdress, wood, paint, cotton fabrics; NMAI 23/8252Back to article page