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Amend the bill by inserting after section 5 the following:
‘Sec. 6. 38 MRSA §589, sub-§2,  as enacted by PL 1991, c. 384, §9 and affected by §16, is amended to read:
 
2. Stack tests.  A person is not required to conduct stack tests for chlorine or chlorine dioxide more frequently than once every 5 years unless visible emissions, operating parameters or other information indicates the source may be operating out of compliance with any applicable emission standard or unless there are more stringent federal requirements. A person is not required to conduct stack tests for particulate matter on a source monitored by a continuous monitoring device for opacity as specified by 40 Code of Federal Regulations, Part 60, Appendix B, specification 1 or appropriate surrogate parameters as required by the commissioner more frequently than once every 25 years unless visible emissions, operating parameters or another causeother information indicates the source may be operating out of compliance with any applicable emission standard or unless there are more stringent federal requirements. If visible emissions, operating parameters or other information indicates potential noncompliance with an air emission standard or if there are more stringent federal requirements, the department may require additional stack tests.’
Amend the bill by relettering or renumbering any nonconsecutive Part letter or section number to read consecutively.
 
SUMMARY
This amendment establishes the frequency of stack tests for chlorine or chlorine dioxide as no more than once every 5 years. It also changes the frequency of required particulate matter stack tests from every 2 years to every 5 years. The amendment allows the Department of Environmental Protection to increase the frequency of testing if other information indicates possible air emission compliance issues or if there are more stringent federal requirements.