DEVAL L. PATRICK 

Governor 

TIMOTHY P. MURRAY 

Lieutenant Governor 

February 13, 2008 

Robert W. Varney 

Regional Administrator 

US Environmental 1'ro .tection Agency - New England 

One Congress Street 

Suite 1100 -- RAA 

Boston, Massachusetts 02114 - 2023 

Dear Mr. Varney : 

IAN A BOWLES 

Secretary 

LAURIE BURT 

Commissioner 

3 am pleased to submit to the US Environmental Protection Agency (EPA) amendments to the 

Massachusetts State Implementation Plan (SIP), Llrlder the federal Clean Air Act. 

The SIP amendments include several changes to the Massachusetts Regulations for the Control 

of Air Pollution, 310 CMR 7.00. Attached are copies of the regulation changes as published by 

the Secretary of the Commonwealth, the public hearing notice, the public hearing officer 

certification, public comments received, and the response to the public comments received . 

On December 28, 2007, the Secretary of the Commonwealth published the amendments to the 

regulations. Several amendments corrected typos or modify text to clarify intent . Specific 

changes include: 

" Updating the list of Massachusetts cities and towns to reflect changes in 1VIassDEP 

regional boundaries 

" Clarifying the particulate emissions limits and maintenance/testing requirements to 

which engines and turbines are subject (310 CMR 7 .02(8) and 310 CMR 7.04(4)) 

" Adding a new organic material emission cap (<10 tons per year) to several sections of 

310 CMR 7.03 to provide owners/operators of "small" facilities a mechanism to limit 

their facility's potential emissions and avoid reporting requirements of 310 CMR 7 .12 

" Corrections, updates of Source Registration (310 CMR 7 .12) requirements 

" Modification of the Boiler - ERP requirements (310 CMR 7 .26(30)-(36)) 

This information is available in alternate format . Call Donald M. Gomes, ADA Coordinator at 617-556-1057 . TDD# 1-566-539-7622 or 1-617-57J-6S68 . 

COMMONWEALTH OF MASSACHUSETTS 

EXECUTIVE OFFICE OF ENERGY & ENVIRONMENTAL AFFAIRS 

DEPARTMENT OF ENVIRONMENTAL PROTECTION 

ONE WINTER STREET, BOSTON, MA 02108 617-292-5500 

MassDEP on the World Wide Web: http ://www .mass.gov/dep 

0 Printed on Recycled Paper 
Hearings were held on March 20, 2007 and March 21, 2007 in Boston and Springfield 

respectively . Comments were accepted through March 25, 2007 . 

The regulation SIP revision package I am submitting today includes a demonstration that it has 

been submitted under, and conforms to, the administrative requirements of § 110 of the Clean 

Air Act. The amendments are submitted under the authority granted by Massachusetts General 

Laws Chapter 111, §§ 142A - 142N. 

Pursuant to the procedures established in § 110(k) of the Clean Air Act, and the EPA procedures 

for SIP review (56 FR 42216), I am submitting these amendments to the Massachusetts SIP for 

your approval. 

Should you or your staff have any questions regarding this submittal or wish any further 

information, please contact Steven DeGabriele, Director of the Bureau of Waste Prevention's 

Business Compliance Division, at 617 - 556 -- 1120. 

Sincerely, 

Laurie Burt 

Commissioner 

Enclosures 

Cc : Stephen S. Perkins, USEPA - New England (CAA) 

David B. Conroy, USEPA - New England (CAE) 

Steven DeGabriele - MassDEP