Code of Massachusetts Regulations
310 CMR - DEPARTMENT OF ENVIRONMENTAL PROTECTION
Title 310 CMR 40.0000 - Massachusetts Contingency Plan
Subpart A - GENERAL PROVISIONS
Section 40.0027 - Remedial Monitoring Report

Universal Citation: 310 CMR 40.0000 MA Code of Regs 40.0027

Current through Register 1531, September 27, 2024

(1) For a disposal site for which the requirement to submit Remedial Monitoring Reports applies as of April 3, 2006, the first Remedial Monitoring Report shall be submitted:

(a) in accordance with 310 CMR 40.0425(7)(a) when the remedial action that involves Active Operation and Maintenance is addressing an Imminent Hazard or Condition of Substantial Release Migration; or

(b) concurrently with the submittal of the next Status Report following the commencement of the remedial action that involves Active Operation and Maintenance when the remedial action is addressing conditions that do not pose an Imminent Hazard or Condition of Substantial Release Migration.

(2) Except as provided at 310 CMR 40.0027(3), a Remedial Monitoring Report shall document all monitoring and operational information relevant to the Active Operation and Maintenance of an Active Remedial System, Active Exposure Pathway Mitigation Measure or Active Remedial Monitoring Program during the reporting period and since the submittal of any previous Remedial Monitoring Report. Such information includes, as applicable:

(a) operating status of Active Remedial Systems or Active Exposure Pathway Mitigation Measure, including any system shutdown and the date/duration of shutdown;

(b) date(s) and number of monitoring events;

(c) effluent concentrations;

(d) identification of any discharges above permissible discharge concentrations;

(e) recovery rates and/or volumes;

(f) discharge volumes;

(g) date, location, type, and volume of Remedial Additives applications;

(h) groundwater data;

(i) pressure measurements; and/or

(j) related maps, graphs or diagrams.

(3) Remedial Monitoring Reports shall not be required for:

(a) Active Operation and Maintenance that is limited to window fans deployed as a temporary measure to vent vapors within a building, provided that information related to the operation of such window fans shall be included in the next applicable Status Report; or

(b) Active Operation and Maintenance of an Active Exposure Pathway Mitigation Measure implemented as a Permanent Solution with Conditions after the submittal of a Permanent Solution Statement and operated and maintained pursuant to 310 CMR 40.1025.

(4) Except as provided in 310 CMR 40.0027(3), Remedial Monitoring Reports shall be required until the Active Operation and Maintenance of an Active Remedial System, Active Exposure Pathway Mitigation Measure or Active Remedial Monitoring Program is terminated.

(5) Remedial Monitoring Reports shall be submitted to the Department electronically on a form established by the Department for such purposes. The date of receipt of a Remedial Monitoring Report by the Department shall be determined as specified in 310 CMR 40.0008(4).

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