A judge on Monday rejected an effort by environmental groups and a Democratic state senator to become a party to the state's pollution lawsuit against ExxonMobil, saying that they already had their chance to speak up over a proposed $225 million settlement. A judge on Monday rejected an effort by environmental groups and a Democratic state senator to become a party to the state's pollution lawsuit against ExxonMobil, saying that they already had their chance to speak up over a proposed $225 million settlement.