Milford chronicle., 1951-01-12


ate any hazard in the receiv-
ing waters Of the sewage
treatment plant. Toxic wastes
shall include wastes contain
ing cyanide, copper and Tor
chromium ions.
(S) any waters or wastes con-
tanning suspended solids Of
such character and quantity
that unusual attention or ex-
pense is required to handle
such materials at the sewage
treatment plant except as
may be approved by Council.
/ 90 Any nOxious or malodorous
gas eP substance capable Of
creating a public nuisance.
e. The admission into the pub
lie sewers Of any waters or. wastes
having (a) 5-day biochemical
oxygen demand (BOD) greater than
300 parts per million by weight or
/ (b) containing more than 800 parts
per million, by weight, of suspend
ed solids or (c) containing anv
quantity of substances having the
characteristics described in Section
Sd or I'D having an average daily
fiow greater than ten (10) percent
of an average daily sewage flow of
the City, shall be subject to the re-
view and approval Of the Council.
Where necessary in the opinion of
the Council, the Owner shall pro-
vide, at his expense, such prelimi-
nary treatment as may be neces-
sary to (a) reduce the BOD to 300
parts Ier million and the suspend
ed solios to 300 parts per million
by weight or (b) reduce objection
able characteristics or constituents
TO meet the requirements Of Section
Sd or (c) control the quantities and
rates of discharge of such waters
or wastes. Plans, specifications and
other pertinent information relating
to proposed preliminary treatment
/ facilities shall be submitted for the
approval Of the Council and of the
Delaware Water Pollution Commits
sion; and no construction of such
facilities shall be commenced until
said approvals are obtained in writ
ing. Council may elect to levy a
penalty charge as covered by Sec
ton 4 in lieu Of pretreatment re-
quirements.
l. Where preliminary treatment
facilities are provided for. any wa
ters or wastes, they shall be main
tanned continuously in satisfactory
and effective operation by the own
er at his expense. Council and Tor
it's authorized representative shall
have access to any preliminary
treatment facilities for inspection.
SECTION 4. Charges for Indus.
trial Wastes.
a. The charges for collection
and treatment of industrial wastes
discharged into the City sewers
shall be made in accordance with
General Ordinance No. So dated
November Is. 1949, City of Milford.
In addition thereto, further charges
shall be levied for suspended solids.
BOD, and chlorine demand in ex
cess Of the average suspended sol
ids, BOD, and chlorine demand of
normal domestic sewage. Normal
domestic sewage shall be consid-
cred as having the following con-
centrations:
(l) BOD-300 parts per million
(2) Suspended SOlids-SOO parts
per million
CD Chlorine Demand 20 parts
per million.
b. In order to determine the ad-
ditional charge for concentration of
Industrial wastes above that Of nor
NAL domestic sewage, the follow
ing formula shall be used:
T.A.C.=F x [(BOD - 3OO) x .OO1321
+ FIX l(S. S. 3OO)
x .OO124)] + F x
[(C.D. - 2O) x .121
TAG. = Total Additional Charge
F = Flow in million gallons
per quarter x S.34
Cost Factors Used:
BOD = $.OO182 per pound
Suspended
Solids = $.OO124 per pound
Chlorine
Demand - SIP per pound
SECTION 5. Methods of Measure
ing Volume and Concentration.
a. Whenever a person purchas-
ing all water used from the City of
! Milford discharges industrial waste
to the City Sewer System, the vol
ume Of water purchased shall be
used as a measure, Of the quantity
OF industrial waste discharged.
b. Whenever a person purchas-
ing water from the City of Milford
and discharging industrial waste
to the City Sewer System also dis
charges unpOlluted cooling water
to either a separate storm sewer or
other outlet, an allowance for the
amount of water so discharged shall
be made in computing the sewer
charges. The person so discharg-
/ ing cooling water shall at his own
expense install a meter or meters,
as required, to indicate accurately
to the satisfaction of Council, the
amount Of water claimed as a cred
it.
4 G. whenever person using a
/ private water supply discharges in
| dustrial wastes to the City Sewer
system, the charges for such dis
charge shall be in accordance with
General Ordinance No. SO dated
November IS, 1949. Such person.
i however, shall install at his ex-
pense, either a water meter or me-
ters as may be required to mea2
sure the total volume of water
used in the industrial plant: or
shall install, at his expense, a me-
Ter on the sewer line leaving the
plant so as to measure the entire
flow of waste discharged to the