Is one sinful if one records only the correct environmental procedures in the official environmental registry, while avoiding mention of violations, and deflecting accountability for them to the direct manager when questioned by inspectors, all under pressure from one's superiors at work?

Your duty is to advise the officials and not to cooperate with them in falsifying facts and deceiving those above them, even if it leads to your punishment. For the wrath of the Creator is more severe than the wrath of the creation, and whoever aids a sinner in his sin is a partner in it. Therefore, it is not permissible for you to record anything that involves deception and fraud. As for recording only the correct matters without the violations, if it is understood from this that there are no violations, then it is not permissible, because it is a trick to conceal transgressions and is a forbidden deception. But if it does not imply that, and you refer the matters to the officials, then there is no blame on you.