McLean Residence Hall: Lead Testing Results

Sample Date	Location	Type	First Draw Sample (ppb)	Flush Sample (ppb)
11/30/2022	Basement B18	Water fountain	5.2	0.52
11/30/2022	Basement	Water fountain	0.52	0.34
11/30/2022	First floor N. end	Water fountain	1.2	1.2
11/30/2022	First floor S. end	Water fountain	ND	ND
11/30/2022	Second floor	Water fountain	1.3	1.2
11/30/2022	Third floor S. end	Water fountain	0.39	0.36
11/30/2022	Third floor N. end	Water fountain	0.22	ND

ND = Not detected.