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biogas -- Follow-up Discussion to March 27, 2013 California Public Utilities Commission Workshop on Biomethane Standards per Assembly Bill 1900

Posted: 05 Apr 2013 15:27:46
On April 10, 2013, the staff of the Air Resources Board (ARB) and
the Office of Environmental Health Hazard Assessment (OEHHA) will
meet with interested parties to discuss comments and questions
raised on March 27 at the California Public Utilities Commission
(CPUC) workshop on Assembly Bill (AB) 1900.   

AB 1900 (Gatto, Statutes of 2012) requires the CPUC to develop
standards for constituents in biogas to protect human health and
pipeline integrity and safety.  In support of the CPUC standards
development efforts, OEHHA and ARB, in consultation with other
State agencies, are to undertake certain actions.  Specifically,
OEHHA is tasked with compiling a list of constituents of concern
found in biogas that could pose a health risk and that are at
levels that significantly exceed the concentrations of those
constituents in natural gas.  OEHHA is also to determine health
protective levels for these constituents, after considering
potential health impacts and risks.  ARB is tasked with
developing realistic exposure scenarios and identifying the
associated health risk to utility workers and gas end users;
determining the concentrations of these constituents in biogas
necessary to protect public health; and identifying monitoring,
testing, reporting, and recordkeeping requirements necessary to
ensure that health protective levels are maintained. 

At the April 10 meeting, staff will present their preliminary
ideas on the format of the health based standards, analytical
test methods, monitoring frequency, and other technical
considerations related to AB 1900 requirements.  More information
will be provided prior to the meeting at ARBs website here:

The meeting will be held at the time and location listed below:

Date: 		April 10, 2013
Time: 		9:30 a.m.  12:30 p.m.
Location: 	California Environmental Protection Agency
                1001 I Street
                Sacramento, CA 95814
                Sierra Hearing Room

For those unable to participate in the discussion in person, a
live webcast will be available.  Viewers can email questions
during the session to sierrarm@calepa.ca.gov.  Webcast links are
posted at http://www.calepa.ca.gov/broadcast.  ARB recommends
that you do not run other programs while viewing the webcast, as
it may interrupt or lower the quality of the signal.

If you have any questions, please contact Mr. Paul Milkey, ARB
Staff Air Pollution Specialist, at pmilkey@arb.ca.gov or (916)
327-2957, or Dr. Andy Salmon, Chief, OEHHA Air Toxicology and
Risk Assessment Section, at Andy.Salmon@oehha.ca.gov, or (510)

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