превышение уровня концентрации(breached its pollution licence by pumping about 1.2 million litres of effluent into the Hunter River with an above-limit concentration of arsenic. ...retransformed into units of concentration, combined with above-limit concentration data, and summary statistics computed... Alexander Demidov)
сверхлимитные вложения(those above a ceiling, fixed in money terms by govt. regulation, for capital works costs; incl. in limit investments ABelonogov)