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INSTRUCTIONS – FORM 2c

Application for Permit to Discharge Wastewater

EXISTING MANUFACTURING, COMMERCIAL, MINING. AND SILVICULTURAL OPERATIONS

This form must be completed by all applicants who check “yes” to

item II-C in Form 1.

“Maximum Daily” columns (columns 4-a-2 and 4-b-2). Report the

average of all daily values measured during days when discharge

Public Availability of Submitted Information.

occurred within the last year in the “Long Term Average” columns

Your application will not be considered complete unless you answer

(columns 4-a-1 and 4-b-1).

every question on this form and on Form 1. If an item does not apply

Item III-A

to you, enter “NA” (for not applicable) to show that you considered

the question.

All effluent guidelines promulgated by EPA appear in the Federal

You may not claim as confidential any information required by this

guideline applies to you if you have any operations contributing

form or Form 1, whether the information is reported on the forms or

process wastewater in any subcategory covered by a BPT, BCT, or

in an attachment. This information will be made available to the

BAT guideline. If you are unsure whether you are covered by a

public upon request.

promulgated effluent guideline, check with your DEQ regional office

Any information you submit to DEQ which goes beyond that

(Table 1 in the Form 1 instructions). You must check “yes” if an

required by this form, Form 1, or Form 2F you may request to claim

applicable effluent guideline has been promulgated, even if the

as trade secret, proprietary, or confidential, but claims for

guideline limitations are being contested in court. If you believe that a

information which are effluent data will be denied. If you do not

promulgated

effluent

guideline

has

been

remanded

for

assert a claim of trade secret, proprietary, or confidentiality at the

reconsideration by a court and does not apply to your operations,

time of submitting the information, DEQ may make the information

you may check “no.”

public without further notice to you. Claims of confidentiality will be

Item III-B

handled in accordance with Idaho Code §74-114.

An effluent guideline is expressed in terms of production (or other

measure of operation) if the limitation is expressed as mass of

Definitions

pollutant per operational parameter; for example, “pounds of BOD

All significant terms used in these instructions and in the form are

per cubic foot of logs from which bark is removed,” or “pounds of

defined in the glossary found in the General Instructions which

TSS per megawatt hour of electrical energy consumed by smelting

accompany Form 1.

furnace.” An example of a guideline not expressed in terms of a

measure of operation is one which limits the concentration of

ID Number

pollutants.

Fill in your Identification Number at the top of each page of

Form 2c. You may copy this number directly from item I of Form 1.

Item III-C

This item must be completed only if you checked “yes” to item III-B.

Item I

The production information requested here is necessary to apply

You may use the map you provided for item XI of Form 1 to

effluent guidelines to your facility and you cannot claim it as

determine the latitude and longitude of each of your outfalls and the

confidential. However, you do not have to indicate how the reported

name of the receiving water.

information was calculated. Report quantities in the units of

measurement used in the applicable effluent guideline. The

Item II-A

production figures provided must be based on actual daily production

The line drawing should show generally the route taken by water in

and not on design capacity or on predictions of future operations. To

your facility from intake to discharge. Show all operations

obtain alternate limits under 40 CFR 122.45(b)(2)(ii), you must define

contributing wastewater, including process and production areas,

your maximum production capability and demonstrate to the Director

sanitary flows, cooling water, and stormwater runoff. You may group

that your actual production is substantially below maximum

similar operations into a single unit, labeled to correspond to the

production capability and that there is a reasonable potential for an

more detailed listing in item II-B. The water balance should show

increase above actual production during the duration of the permit.

average flows. Show all significant losses of water to products,

atmosphere, and discharge. You should use actual measurements

Item IV-A

whenever available; otherwise use your best estimate. An example

If you check “yes” to this question, complete all parts of the chart, or

of an acceptable line drawing appears in Figure 2c-1 to these

attach a copy of any previous submission you have made to

instructions.

containing same information.

Item II-B

Item IV-B

List all sources of wastewater to each outfall. Operations may be

You are not required to submit a description of future pollution

described in general terms (for example, “dye-making reactor” or

control projects if you do not wish to or if none is planned.

“distillation tower”). You may estimate the flow contributed by each

source if no date are available. For stormwater discharges you may

Item V-A, B, C, and D

estimate the average flow, but you must indicate the rainfall event

The items require you to collect and report data on the pollutants

upon which the estimate is based and the method of estimation. For

discharged for each of your outfalls. Each part of this item addresses

each treatment unit, indicate its size, flow rate, and retention time,

a different set of pollutants and must be completed in accordance

and describe the ultimate disposal of any solid or liquid wastes not

with the specific instructions for that part. The following general

discharged. Treatment units should be listed in order and you should

instructions apply to the entire item.

select the proper code from Table 2c-1 to fill in column 3-b for each

treatment unit. Insert “XX” into column 3-b if no code corresponds to

General Instructions

a treatment unit you list. If you are applying for a permit for a

Part A requires you to report at least one analysis for each pollutant

privately owned treatment works, you must also identify all of your

listed. Parts B and C require you to report analytical data in two

contributors in an attached listing.

ways. For some pollutants, you may be required to mark “X” in the

“Testing Required” column (column 2-a, Part C), and test (sample

Item II-C

and analyze) and report the levels of the pollutants in your discharge

A discharge is intermittent unless it occurs without interruption during

whether or not you expect them to be present in your discharge. For

the operating hours of the facility, except for infrequent shutdowns

all others, you must mark “X” in either the “Believe Present” column

for maintenance, process changes, or other similar activities. A

or the “Believe Absent” column (columns 2-a or 2-b, Part B, and

discharge is seasonal if it occurs only during certain parts of the

columns 2-b or 2-c, Part C) based on your best estimate, and test for

year. Fill in every applicable column in this item for each source of

those which you believe to be present. (See specific instructions on

intermittent or seasonal discharges. Base your answers on actual

the form and below for Parts A through D.) Base your determination

data whenever available; otherwise, provide your best estimate.

that a pollutant is present in or absent from your discharge on your

Report the highest daily value for flow rate and total volume in the

2C-1

Form 2c - Application For Permit To Discharge Wastewater - Existing Manufacturing, Commrecial, Mining And Silviculture Operarions - Idaho Department Of Environmental Quality

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