acstotpop created_at dslpm lowincpct minorpct p_cancr_d2 p_dslpm_d2 p_ldpnt_d2 p_ozone_d2 p_pm25_d2 p_pnpl_d2 p_prmp_d2 p_ptraf_d2 p_ptsdf_d2 p_pwdis_d2 p_resp_d2 p_ust_d2 pm25 ptraf source_object_id unemppct updated_at uuid