#The below outputs the number of houses that have ANY sample that is greater than or equal to the actionable lead level
def make2dList(rows, cols):
    a=[]
    i= 0
    for row in range(rows):

        a += [[lead1_mgL[i], lead2_mgL [i], lead3_mgL[i]]]
        i += 1
    return a

rows = 271
cols = 3

a = make2dList(rows, cols)

a = np.array(a)

def make2dList(rows, cols):
    b=[]
    z= 0
    for row in range(rows):

        b += [a[z].max()]
        z += 1
    return b

rows = 271
cols = 1


b = make2dList(rows, cols)

b = np.array(b)

action = (b >= 0.015).sum()

print (action)