Policies
The following table provides a list of interpretive rules and policy statements issued by the NC WW/GW Laboratory Certification Branch (LCB). They are meant to clarify existing legislative rules or to provide guidance where a rule does not exist. Where multiple editions of a single reference source may be approved for reporting purposes and where these approved methods may have conflicting or unclear requirements, the NC WW/GW LCB may adopt a single policy based on a single edition to provide consistency in analytical reporting. Even when citing an alternate reference edition, laboratories must adhere to the NC WW/GW LCB policy requirement.
Policy names with an asterisk (* ) beside them notate that the policy could be applicable to Field Laboratory certification, depending upon the parameter methods on the laboratory's Certified Parameter Listing
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