These laws and regulations may among other things require the acquisition of permits to conduct construction drilling water withdrawal and waste disposal operations govern the amounts and types of substances that may be disposed released or emitted into the environment limit or prohibit construction or drilling activities in sensitive areas such as wetlands wilderness areas or areas containing endangered or threatened species or their habitats require investigatory and remedial actions to mitigate pollution conditions arising from Greylock Productiona' operations or attributable to former operations and impose obligations to reclaim and abandon well sites impoundments and pits