Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20473

§ 81.336 Ohio.

* * * * *

OHIO—OZONE

Designated area

Designation Classification

Date 1 Type Date 1 Type

* * * * * * *

Cleveland-Akron-Lorain Area ................................................................... May 7, 1996 ....... Attainment.

Ashtabula County

Cuyahoga County

Geauga County

Lake County

Lorain County

Medina County

Portage County

Summit County

* * * * * * *

1This date is November 15, 1990 unless otherwise noted.

* * * * *

[FR Doc. 96–11133 Filed 5–6–96; 8:45 am]

BILLING CODE 6560–50–P

40 CFR Part 300

[FRL–5468–7]

National Oil and Hazardous

Substances Contingency Plan;

National Priorities List Update

AGENCY: Environmental Protection

Agency.

ACTION: Notice of Deletion of the East

Bethel Demolition Landfill Superfund

Site from the National Priorities List

(NPL).

SUMMARY: The Environmental Protection

Agency (EPA) announces the deletion of

the East Bethel Demolition Landfill site

in Anoka, Minnesota from the National

Priorities List (NPL). The NPL is

Appendix B of 40 CFR Part 300 which

is the National Oil and Hazardous

Substances Contingency Plan (NCP),

which EPA promulgated pursuant to

Section 105 of the Comprehensive

Environmental Response,

Compensation, and Liability Act of 1980

(CERCLA), as amended. EPA and the

State of Minnesota have determined that

all appropriate Fund-financed responses

under CERCLA have been implemented

and that no further response by

responsible parties under CERCLA is

appropriate.

EFFECTIVE DATE: May 7, 1996.

FOR FURTHER INFORMATION CONTACT: Rita

Garner-Davis at (312) 886–2440,

Associate Remedial Project Manager,

Superfund Division, U.S. EPA—Region

V, 77 West Jackson Blvd., Chicago, IL

60604. Information on the site is

available at: EPA Region V docket room

at the above address and at the East

Bethel City Hall and the Minnesota

Pollution Control Agency Public

Library, 520 Lafayette RD. St. Paul, MN

55155–4194.

SUPPLEMENTARY INFORMATION: The site to

be deleted from the NPL is the East

Bethel Demolition Landfill Site in

Anoka County, Minnesota. A Notice of

Intent to Delete was published March

13, 1996, (61 FR 10298) for this site. The

closing date for comments on the Notice

of Intent to Delete was April 12, 1996.

EPA received no comments.

The EPA identifies sites which appear

to present a significant risk to public

health, welfare, or the environment and

it maintains the NPL as the list of those

sites. Sites on the NPL may be the

subject of Hazardous Substance

Response Trust Fund-financed remedial

actions. Any site deleted from the NPL

remains eligible for Fund-financed

remedial actions in the unlikely event

that conditions at the site warrant such

action. Section 300.425(e)(3) of the NCP

states that Fund-financed actions may

be taken at sites deleted from the NPL

in the unlikely event that conditions at

the site warrant such action. Deletion of

a site from the NPL does not affect

responsible party liability or impede

Agency efforts to recover costs

associated with response efforts.

List of Subjects in 40 CFR Part 300

Environmental protection, Hazardous

Waste, Chemicals, Hazardous

substances, Reporting and

recordkeeping requirements, Superfund,

Water pollution control, Water supply.

Dated: April 22, 1996.

David A. Ullrich,

Acting Regional Administrator, U.S. EPA,

Region V.

40 CFR part 300 is amended as

follows:

PART 300—[AMENDED]

1. The authority citation for part 300

continues to read as follows:

Authority: 33 U.S.C. 1321(c)(2); 42 U.S.C.

9601–9657; E.O. 12777, 56 FR 54757, 3 CFR,

1991 Comp.; p.351; E.O. 12580, 52 FR 2923,

3 CFR, 1987 Comp.; p. 193.

Appendix B—[Amended]

2. Table 1 of appendix B to part 300

is amended by removing the East Bethel

Demolition Landfill Site, East Bethel

Township, Minnesota.P

[FR Doc. 96–11218 Filed 5–6–96; 8:45 am]

BILLING CODE 6560–50–P

40 CFR Part 355

[Docket 300 PQ–R2; FRL–5468–5]

RIN 2050–AD50

Extremely Hazardous Substances

AGENCY: Environmental Protection

Agency (EPA).

ACTION: Final rule.

SUMMARY: Today, EPA is implementing

one of its regulatory reform

commitments set forth in its June 1,

1995, Report to the President. EPA is

taking final action on two proposed

rules that modify the extremely

hazardous substances (EHS) list and

reportable quantities under section 302

of the Emergency Planning and

Community Right-to-Know Act of 1986
20474 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

(EPCRA), Title III of the Superfund

Amendments and Reauthorization Act

of 1986. EPA is raising the statutory

reportable quantities (RQs) for 202

EHSs. EPA is also removing four

chemicals that do not meet the listing

criteria from the EHS list. Through these

actions, the Agency is reducing the

burden of reporting for facilities

presently required to report certain

releases unnecessarily. Protection of

human health and the environment is

maintained while better focusing

attention on releases that may require a

response by state and/or local

authorities.

EFFECTIVE DATE: July 8, 1996.

ADDRESSES:

Docket: Copies of materials relevant to

this rulemaking are contained in the

U.S. Environmental Protection Agency

CERCLA Docket Office, Crystal Gateway

#1, 1st Floor, 1235 Jefferson Davis

Highway, Arlington, VA 22202 [Docket

Number 300 PQ–R2]. The docket is

available for inspection between the

hours of 9 a.m. and 4 p.m., Monday

through Friday, excluding Federal

holidays. Appointments to review the

docket can be made by calling 703/603–

9232. The public may copy a maximum

of 266 pages from any regulatory docket

at no cost. If the number of pages copied

exceeds 266, however, an administrative

fee of $25 and a charge of $0.15 per page

for each page after page 266 will be

incurred. The docket will mail copies of

materials to requestors who are outside

of the Washington, DC metropolitan

area.

FOR FURTHER INFORMATION CONTACT: The

RCRA/UST, Superfund, and EPCRA

Hotline at 800/424–9346 (in the

Washington, DC metropolitan area,

contact 703/486–3323). The

Telecommunications Device for the Deaf

(TDD) Hotline number is 800/553–7672

(in the Washington, DC metropolitan

area, contact 703/412–9810); or John

Ferris, Chemical Engineer, Chemical

Emergency Preparedness and

Prevention Office (5101), U.S.

Environmental Protection Agency, 401

M Street S.W., Washington, DC 20460,

or at (202) 260–4043.

SUPPLEMENTARY INFORMATION:

Regulated entities. Regulated

categories and entities include:

Category Regulated entities

Industry ...................... All facilities handling chemicals on the extremely hazardous substances list may be subject to this regulation.

Federal Government Executive Order 12856 requires all federal agencies to comply with sections 302 and 304 of EPCRA.

State and Local Governments.State emergency response commissions and local emergency planning committees receive the information provided

under EPCRA section 304. State/local government facilities handling chemicals on the extremely hazardous substances list may be subject to this regulation.

This table is not intended to be

exhaustive, but rather provide a guide

for readers regarding entities likely to be

regulated by this action. To determine

whether your facility is regulated by this

action, you should carefully examine

the applicability criteria in section

355.40 of title 40 of the Code of Federal

Regulations. If you have questions

regarding the applicability of this action

to a particular entity, consult the person

listed in the preceding FOR FURTHER

INFORMATION CONTACT section.

Contents: The contents of today’s

preamble are listed in the following

outline:

I. Introduction

a. Statutory Authority

b. Background

c. Today’s Rulemaking

II. RQ Adjustment Methodology

a. TPQ methodology

b. CERCLA RQ methodology

c. Proposed methodology

d. Alternative chosen

III. Response to Comments on the August 30,

1989 Proposal

a. Reportable Quantities and Threshold

Planning Quantities

b. Sulfur Dioxide

c. Hydrogen Chloride/Hydrochloric Acid

d. Sulfur Trioxide

IV. Listing Corrections

V. Response to Comments on the October 12,

1994 Proposal

VI. Regulatory Analysis

a. Executive Order 12866

b. Regulatory Flexibility Act

c. Paperwork Reduction Act

d. Unfunded Mandates

I. Introduction

a. Statutory Authority

This regulation is issued under

sections 302, 304 and 328 of the

Emergency Planning and Community

Right-to-Know Act (EPCRA).

b. Background

On October 17, 1986, the President

signed into law the Superfund

Amendments and Reauthorization Act

of 1986 (SARA), Pub. L. 99–499 (1986).

Title III of SARA, the Emergency

Planning and Community Right-toKnow Act of 1986 (EPCRA), established

a program designed to encourage state

and local planning and preparedness for

spills or releases of extremely hazardous

substances and to provide the public

and local governments with information

concerning chemical releases and the

potential chemical risks in their

communities.

Subtitle A of the Act establishes the

framework for local emergency

planning. Under section 302, a facility

which has present an extremely

hazardous substance (EHS) in excess of

its threshold planning quantity (TPQ)

must notify its state emergency response

commission (SERC) and participate, as

necessary, with the local emergency

planning committee (LEPC) in the local

emergency planning process.

Section 302 directed EPA to publish

the list of extremely hazardous

substances as an interim final rule

within 30 days of the enactment of

EPCRA. Section 302(a)(2) required that

the list be identical to the list compiled

by EPA in 1985 as part of EPA’s

Chemical Emergency Preparedness

Program. Under section 302(a)(4), EPA

is authorized to revise the list, but in

undertaking any such revision, EPA

must take into account the ‘‘toxicity,

reactivity, volatility, dispersibility,

combustibility, or flammability of a

substance.’’ The term ‘‘toxicity’’ is

defined to include ‘‘any short- or longterm health effects which may result

from a short-term exposure to the

substance.’’

EPA published the list of 402

extremely hazardous substances on

November 17, 1986 (51 FR 41570). On

the same day, EPA proposed the

deletion of 40 substances from the EHS

list on the basis that their original listing

was in error. On April 22, 1987, 52 FR

13388, EPA announced that it was

deferring the proposed delisting of these

substances, pending an evaluation of the

long-term effects from short-term

exposure to each of them. This deferral

was in response to comments from

members of the public who argued that

the proposed rule was premature. On

November 23, 1987, the District Court

for the District of Columbia in A.L.

Laboratories, Inc. v. Environmental

Protection Agency issued an order

requiring EPA to remove several

substances from the EHS list, reasoning

that Congress did not intend to include

in the statutorily designated list

substances listed due to ‘‘clerical error.’’
Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20475

1Although a total of 215 EHSs have one-pound

statutory RQs, this rule is adjusting the RQs of 204

of these EHSs. The remaining 11 EHSs with onepound statutory RQs were designated CERCLA

hazardous substances in a February 9, 1995 final

rule (60 FR 7824); the Agency is currently

developing a rulemaking to adjust the CERCLA and

EPCRA one-pound RQs for these 11 substances. The

substances are identified in 40 CFR Part 355 by the

footnote ‘‘d.’’

It is on the basis of this ruling that EPA

proposed on October 12, 1994 (59 FR

51816), the removal of four chemicals.

Section 304 of EPCRA establishes

requirements for immediate reporting of

certain releases of EHSs and hazardous

substances (HSs) listed under the

Comprehensive Environmental

Response, Compensation, and Liability

Act (CERCLA) to SERCs and LEPCs,

similar to the release reporting

provisions of CERCLA section 103.

Although similar, CERCLA section 103

and EPCRA section 304 differ somewhat

in purpose. CERCLA provides generally

for federal planning and coordination of

entities and for federal contingency

plans. CERCLA section 103 requires

federal notification for any release of a

hazardous substance in an amount equal

to or in excess of its RQ. EPCRA is

designed to protect the public in the

event of dangerous chemical releases

through the establishment of local and

state emergency response capability.

EPCRA section 304 requires, in addition

to any federal notification, notification

to state and local authorities for any

release of an EHS in an amount equal

to or in excess of its RQ. The potential

hazards posed by EHSs make state and

local notification critical to effective and

timely emergency response. EHSs are

acutely toxic chemicals which cause

both severe sort- and long-term health

effects after a single, brief exposure. In

many cases, local and state authorities

may be the first and only responders to

the release of an EHS.

Notifications are required if a release

of an EHS or HS is equal to or above the

reportable quantity (RQ). Section 304(a)

of EPCRA provides that chemicals on

the EHS list which do not have an RQ

assigned to them by regulation, will

have a reportable quantity of 1 pound.

Currently, 204 EHSs have the statutory

one-pound RQ. On August 30, 1989 (54

FR 35988), EPA proposed to modify the

statutory RQs for 232 EHSs using a

proposed modification of the CERCLA

RQ methodology.

c. Today’s Rulemaking

EPA is today taking final action on the

two proposed rules published in the

Federal Register on August 30, 1989

and October 12, 1994. As discussed

below, EPA is not yet taking final action

on some aspects of the proposed rules.

EPA is adjusting the reportable

quantities of 204 extremely hazardous

substances.1 This rule will make the

reportable quantities for these chemicals

the same as their threshold planning

quantities. EPA is also finalizing the

proposal to remove phosphorus

pentoxide, diethylcarbamazine citrate,

fenitrothion and tellurium from the EHS

list.

On August 30, 1989, EPA proposed

the adjustment of the TPQ for

isophorone diisocyanate. Today’s rule

reflects the current TPQ for isophorone

diisocyanate. However, an adjusted TPQ

and RQ will be published in a future

notice.

II. RQ Adjustment Methodologies

a. TPQ Methodology

EPA’s methodology for establishing

threshold planning quantities for EHSs

under EPCRA consists of initially

determining the minimum short term

exposure concentration in air that

would lead to serious irreversible health

effects in the general population when

exposed to the substance for relatively

short duration. This is the so-called

‘‘level of concern.’’ (See the Threshold

Planning Quantities Technical Support

Document, April 7, 1987.)

There are two ways to determine a

‘‘level of concern.’’ If it is available for

a chemical, EPA may use one-tenth of

the Immediately Dangerous to Life and

Health (IDLH) level established by the

National Institute for Occupational

Safety and Health (NIOSH). The IDLH is

the maximum concentration of a

substance in air to which a healthy

worker can be exposed for 30 minutes

and escape without suffering

irreversible health effects or impairing

symptoms. If the IDLH value is not

available, as is the case for most of the

EHSs, EPA determines an IDLH

equivalent value using available toxicity

data with an adjustment factor.

The level of concern is then divided

by a factor ‘‘V’’ which represents the

extent to which the material can

volatilize and become airborne and

dispersed. This approach is explained

in the November 17, 1986 Federal

Register notice (51 FR 41580). Dividing

the level of concern by ‘‘V’’ provides the

index value for an EHS.

The final threshold planning quantity

is then determined by a relative ranking

of the index values for all of the

chemicals on the EHS list. The index

values and their corresponding

threshold planning quantities are found

in the Threshold Planning Quantity

Technical Support Document. This

approach is generally based on the

quantity of the chemical which when

released will generate the level of

concern at a distance of 100 meters.

b. CERCLA RQ Methodology

The CERCLA RQ methodology uses a

two step process to determine the

possibility of harm from the release of

a hazardous substance. The

methodology begins with an evaluation

of six intrinsic physical, chemical, and

toxicological properties associated with

each hazardous substance. These

properties are known as the ‘‘primary

criteria.’’ Each substance is evaluated

according to the applicable ‘‘primary

criteria,’’ and an RQ value is determined

for each applicable criterion. The

‘‘primary criteria’’ RQ for each

hazardous substance is the lowest value

of all the applicable criteria. For

example, if the Agency evaluates

hazardous substance A under the RQ

adjustment methodology, identifies both

aquatic toxicity and mammalian toxicity

data on the substance, and sets a

tentative RQ of 100 pounds on the basis

of aquatic toxicity and 1000 pounds on

the basis of mammalian toxicity, the 100

pound value will be the applicable

‘‘primary criteria’’ RQ. Upon completion

of the evaluation of the ‘‘primary

criteria’’ RQ, secondary adjustment

criteria based on the natural degradation

processes of BHP (biodegradation,

hydrolysis, and photolysis) are assessed.

If a hazardous substance, when released

into the environment, degrades (within

5 days) to a less hazardous form by one

or more of the BHP processes, its

primary criteria RQ is raised one level;

if the substance degrades to a more

hazardous form, its RQ may be lowered.

c. Proposed Methodology

For approximately 60 of the 232

chemicals proposed for adjustment on

August 30, 1989, the CERCLA

methodology adjusted RQs that were too

high for purposes of emergency

notification under EPCRA. The

reportable quantities under the CERCLA

methodology in these cases are higher

than the substances’ EPCRA threshold

planning quantity. To rectify this

discrepancy, the August 30, 1989, notice

proposed to modify the CERCLA RQ

methodology by integrating the TPQ

into the CERCLA RQ methodology. As

proposed, after the two-step CERCLA

RQ process had been applied to the

chemicals, an additional step of

comparing the tentative RQ to the

substances’ TPQs was applied. If the

TPQ was lower than the tentative RQ,

the RQ would be adjusted to the TPQ

level or lower.
20476 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

2The release of EHSs which are already CERCLA

hazardous substances is reportable at the RQ levels

applicable under CERCLA. (EPCRA section 304

(a)(1)).

d. Alternative Chosen

In the proposed rule of August 30,

1989, the Agency was seeking comment

on the various alternatives that could be

used to set the reportable quantities. At

the time the RQ adjustments were

proposed, the Agency anticipated that

the EHSs would be designated CERCLA

hazardous substances as proposed on

January 23, 1989 (54 FR 3388). The

Agency, however is not finalizing at this

time the proposal to designate these

chemicals as CERCLA hazardous

substances. Today’s rule does not affect

any CERCLA hazardous substances.

Therefore, the Agency is not utilizing or

modifying the CERCLA RQ

methodology at this time. Instead, the

Agency has decided to adjust the 1

pound EHS RQs to the same level as

their respective TPQs.2

The Agency believes that it is

appropriate to rely on the TPQ

methodology rather than the CERCLA

methodology to adjust EHS RQs for

several reasons.

First, reporting of EHS releases is

required because EHSs are acutely toxic

and will potentially pose an immediate

hazard upon release. Thus, EHS RQs

should be adjusted based on substances’

potential for immediate effects. The

TPQ methodology, designed specifically

for the EHSs, is based on such effects,

utilizing a ‘‘level of concern’’ based

upon short-term exposure

concentrations that could lead to serious

irreversible health effects.

Second, use of the CERCLA secondary

criteria of BHP is inappropriate for

adjusting EHS RQs. The BHP analysis is

used to increase a substance’s RQ by

taking into account its natural chemical

degradation. EHSs can cause severe

health effects after only a single, brief

exposure which may occur prior to any

chemical degradation. The BHP analysis

and higher RQs based on chemical

degradation are not suitable in this

context.

Third, as with RQs, the Agency

adjusts TPQs based on the possibility of

harm from the release of a specific

substance. In the Threshold Planning

Quantity Technical Support Document

to the proposed rule of November 17,

1986 (51 FR 41570) to adjust TPQs, EPA

stated that the TPQ should represent a

quantity that could cause serious health

consequences if an accident were to

occur with that quantity. Consistent

with this statement, EPA modelled a

variety of release scenarios to generate

the relative ranking of each EHS and to

determine the six TPQ quantities (1, 10,

100, 500, 1,000, and 10,000 pounds).

Since the TPQ methodology is based on

the possibility of harm from release, the

Agency believes that it is appropriate to

rely on it to adjust RQs as well.

Finally, like CERCLA RQs, EPCRA

RQs do not reflect a determination that

a release of a substance will always be

hazardous at the RQ level and never

hazardous below that level. EPA has not

attempted to make such a determination

because the actual hazard will vary with

the unique circumstances of the release.

For this reason, EPA encourages SERCs

and LEPCs to consider the RQ during

their emergency planning process

involving facilities with extremely

hazardous substances.

III. Response to Comments on August

30, 1989 Proposal

Many of the comments received in

response to the Federal Register notice

of August 30, 1989, are not addressed

today because they concerned the

designation of EHSs as CERCLA

hazardous substances and the

adjustment of RQs for those substances

under CERCLA. As stated above, the

Agency is not taking action on

modifying the CERCLA RQ

methodology or listing EHSs as CERCLA

hazardous substances at this time. For a

complete list of comments and the

Agency’s responses, see the responses to

comments document in the Docket of

this Federal Register notice.

a. Threshold Planning Quantity

Methodology

The Agency received several

comments on its proposed use of the

TPQ methodology to adjust RQs. These

commenters believed that the use of the

TPQ methodology was inappropriate

because the RQ and the TPQ address

different regulatory requirements.

EPA believes that the TPQ

methodology is appropriate for these

chemicals. Although the RQs and TPQs

trigger two distinct notification

requirements, both quantities are

adjusted based on the possibility of

harm from the release of a specific

substance. Thus, even though TPQ

(EPCRA § 302) notification is not

triggered by an actual release, the TPQ

is based upon the potential harm from

an actual release. In addition, the

particular concern with EHSs is that

they will potentially pose an immediate

hazard upon release. Notification

requirements should be based on the

potential for these immediate effects,

and the TPQ methodology (developed

specifically for the EHS list) is in fact

based upon the potential for immediate

effects. For these reasons, the Agency

believes that the use of the TPQ

methodology is appropriate to set RQs

for extremely hazardous substances.

However, because these chemicals are

not being added to the CERCLA

hazardous substance list, modification

of the CERCLA RQ methodology is not

warranted at this time.

b. Sulfur Dioxide

The adjusted RQ for sulfur dioxide

was proposed at 100-pounds. Several

commenters from the petroleum

industry commented that the 100-pound

RQ is too low and would require

needless and excessive reporting for the

petroleum sector. In the petroleum

sector, sulfur dioxide is a combustion

product created when hydrogen sulfide

from crude oil and natural gas is flared.

The commenters referenced the Federal

Clean Air Act New Source Performance

Standards that they state allow coal

fired power plants to emit 200,000

pounds per day of sulfur dioxide.

The proposed RQ for sulfur dioxide

was set at 100-pounds based on the

proposed modified CERCLA RQ

methodology. In the final rule of April

22, 1987 (52 FR 13378), the TPQ for

sulfur dioxide was adjusted to 500-

pounds. Because there is no 500-pound

CERCLA RQ level, the sulfur dioxide

RQ was proposed at 100-pounds. As

stated earlier in this rule, EPA is not

modifying the CERCLA RQ

methodology at this time, but is

adjusting RQs to the TPQ level. The

final EPCRA RQ for sulfur dioxide is

500-pounds.

EPA does not agree that the existence

of a 200,000 pounds per day standard

for one sector means that the EPCRA RQ

should be set at a higher RQ level.

Sulfur dioxide is used in many

industries other than the petroleum

sector, for example, sulfuric acid

production, water purification and the

pulp and paper industry. While flares

and stacks are designed to lift the sulfur

dioxide into the atmosphere, ground

level releases of sulfur dioxide,

including releases from containers

storing sulfur dioxide may be more

hazardous to the community. Since EPA

sets one RQ to incorporate all probable

release scenarios, EPA believes that the

500 pound RQ based on the substance’s

IDLH value provides an appropriate

level.

EPA notes that the release reporting

requirements of EPCRA section 304

work in conjunction with the federally

permitted release exemption under

CERCLA section 101(10) and the

continuous release reporting

requirements under CERCLA section

103. Releases that are federally

permitted and those that are continuous
Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20477

3 On October 30, 1994, EPA proposed the

adjustment of the TPQ for isophorone diisocyanate.

The final rule on this adjustment will be published

in a future notice.

4 ‘‘LC50’’ refers to that concentration of a

substance in the air that is expected to cause the

death of 50 percent of a defined experimental

population.

5 ‘‘LD50’’ refers to that dose of a substance

expected to cause the death of 50 percent of a

defined experimental population.

have reduced reporting requirements

under EPCRA section 304.

c. Hydrogen Chloride

Several commenters correctly pointed

out that the phrase ‘‘gas only’’ was

omitted from the hydrogen chloride

listing in the tables proposing to revise

Appendices A and B to 40 CFR part 355.

In today’s rule, this omission is

corrected.

In the final rule published in the

Federal Register December 27, 1989 (54

FR 53057), EPA raised the reportable

quantity for Hydrogen chloride (gas

only) to 5,000 pounds. This is the same

as the reportable quantity for hydrogen

chloride (a synonym of hydrochloric

acid) under CERCLA section 103.

d. Sulfur Trioxide

Several commenters believed that a

reportable quantity for sulfur trioxide

above 100 pounds is warranted. EPA,

however, disagrees. The 100 pound TPQ

for sulfur Trioxide is based upon acute

toxicity. EPA agrees that some releases

of sulfur trioxide above 100-pounds may

not be hazardous based upon the

conditions of the release (e.g. from a

flare or stack). However, 100-pound

releases of sulfur trioxide at ground

level (e.g. releases during sulfuric acid

and explosive manufacturing) may pose

a hazard to the community. An RQ

incorporates all probable release

scenarios so that persons off-site can

determine the level of response

necessary. Therefore, the Agency

believes that the 100-pound RQ for

sulfur trioxide based upon its acute

toxicity is appropriate.

IV. Listing Corrections

EPA is making final a rule that was

originally proposed on October 30,

1994, to remove phosphorus pentoxide,

diethylcarbamizine citrate, finitrothion

and tellurium from the extremely

hazardous substances list.3

Substances are listed as EHSs based

on toxicity criteria. Substances are

screened using acute animal toxicity

data for the most sensitive mammalian

species and are placed on the list if they

meet one of the following criteria:

• LC50 4 ≤ 0.5 mg/L

• Dermal LD50 5 ≤ 50 mg/kg

• Oral LD50 ≤ 25 mg/kg

If LC50 or LD50 data are not available,

then LCLO or LDLO data are used.

Substances that meet one of these

criteria have the potential for causing

harm if accidently released and are,

therefore, designated as EHSs.

EPA listed phosphorus pentoxide

based on information presented in an

abstract. This source reported an LC50 of

0.061 mg/L for guinea pigs and an LC50

of 0.271 mg/L for mice exposed for 1

hour to smoke generated from burning

red phosphorus. A significant limitation

of this study is that the toxic effects

cannot be directly related to phosphorus

pentoxide. Therefore, these data are

insufficient for listing phosphorus

pentoxide as an EHS. In addition, the

Elemental Phosphorus Ad Hoc Solid

Waste Group submitted a study that

indicated that the LC50 for rats exposed

to phosphorus pentoxide for 4 hours is

greater than 0.99 mg/L, well above the

.5 mg/L listing criteria. Based on the

insufficient information in the original

study and the information of the more

recent study, EPA has decided to

remove phosphorus pentoxide from the

EHS list.

EPA listed diethylcarbamazine citrate

based on information presented in a

Russian data compilation that listed an

LC50 for rats equal to 0.309 mg/L for a

4-hour exposure. Review of this

information indicated that the toxicity

values presented were unverifiable

because the study details were not

available. In addition, SmithKline

Beecham submitted a study that

reported no deaths of rats from exposure

to either 1.63 mg/L or 2.38 mg/L for 1

hour. Based on the poor quality of the

original study and the additional

information received, EPA has decided

to remove diethylcarbamazine citrate

from the EHS list.

EPA listed fenitrothion based on a

study that reported an LC50 equal to

0.378 mg/L for a 4-hour exposure. EPA’s

review of this study concluded that a

toxic impurity had resulted in an

erroneously low value for the LC50. In

addition, a surfactant was present that

altered the permeability of the skin and

cell membranes of the test animals,

making them more susceptible to

fenitrothion’s toxic effect. Information

submitted by Sumitomo Chemical

America, Inc., reported an LC50 greater

than 2.210 mg/L. Based on the Agency’s

review and the additional information,

fenitrothion is being deleted from the

EHS list.

EPA listed tellurium metal based on

a study that reported an oral LD50 of 20

mg/kg. Review of this study indicted

that sodium tellurate, which is listed as

an EHS, was used in the study rather

than tellurium metal. The Selenium

Tellurium Development Association

also submitted a study that reported an

LD50 greater than 5000 mg/kg for

tellurium metal. Based on this

information, EPA is deleting tellurium

from the list of EHSs.

V. Response to Comments on October

12, 1994, Proposal

EPA received one comment from the

Clean Water Fund of North Carolina

objecting to the removal of phosphorus

pentoxide from the EHS list. The Clean

Water Fund questions the validity of an

unpublished 1987 toxicity study

showing no toxic effects in exposed

animals, at levels up to .99 mg/L of

phosphorus pentoxide aerosol. That

study however, did not determine the

level of the chemical in question in the

chamber atmosphere. The analytical

method determined only total

phosphorus, which was then converted

to an equivalent concentration of

phosphorus pentoxide in air. The Clean

Water Fund argues, therefore, that the

pentoxide should remain on the list

because the 1980 and 1982 combustion

experiments established that the

pentoxide was a major component of the

smoke and ‘‘because the analytical

techniques employed by the 1980 study

may have actually synthesized the

pentoxide from other (possibly less

dangerous) phosphorus compounds

actually present in the test chamber.’’

The Agency assumes Clean Water Fund

believes that because the pentoxide

could have been synthesized from less

toxic compounds, the pentoxide

presented the toxic character of the test

chamber gas.

EPA disagrees. The 1980 and 1982

studies show that, in burning the

phosphorus, there is a potential for the

production of several oxides of

phosphorus. Regardless of how

pentoxide was formed (as noted by the

Clean Water Fund) or whether the

various oxide compounds are more or

less toxic, the fact still remains that the

studies did not distinguish which of the

various oxides caused the high toxicity

of the smoke. While the 1987 study

showed no toxicity of phosphorus

pentoxide, it also is not conclusive

because it did not indicate a direct

measurement of phosphorus pentoxide

in the chamber and the pentoxide could

have hydrolyzed to possibly less toxic

constituents. On balance, none of the

studies presented show that phosphorus

pentoxide meets the toxicity criteria.

Accordingly, EPA is removing the

chemical from the EHS list.
20478 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

VI. Regulatory Analyses

a. Executive Order 12866

Under Executive Order 12866, (58 FR

51,735) of October 4, 1993, the Agency

must determine whether the regulatory

action is ‘‘significant’’ and therefore

subject to review by the Office of

Management and Budget (OMB) and the

requirements of the Executive Order.

The Order defines ‘‘significant

regulatory action’’ as one that is likely

to result in a rule that may:

(1) Have an annual effect on the

economy of $100 million or more or

adversely affect in a material way the

economy, a sector of the economy,

productivity, competition, jobs, the

environment, public health or safety, or

State, local or tribal governments or

communities;

(2) Create a serious inconsistency or

otherwise interfere with an action taken

or planned by another agency;

(3) Materially alter the budgetary

impact of entitlements, grants, user fees,

or loan programs or the rights and

obligations of recipients thereof; or

(4) Raise novel legal or policy issues

arising out of legal mandates, the

President’s priorities, or the principles

set forth in the Executive Order.

It has been determined that this rule

is not a ‘‘significant regulatory action’’

under the terms of Executive Order

12866 and is therefore not subject to

OMB review.

b. Regulatory Flexibility Analysis

Pursuant to the Regulatory Flexibility

Act, 5 U.S.C. 601 et seq., whenever an

agency is required to publish a notice of

rulemaking for any proposed or final

rule, it must prepare and make available

for public comment a regulatory

flexibility analysis that describes the

effect of the rule on small entities (i.e.,

small businesses, small organizations,

and small governmental jurisdictions).

This analysis is unnecessary, however,

if the agency’s administrator certifies

that the rule will not have a significant

economic effect on a substantial number

of small entities.

EPA has examined this rule’s

potential effects on small entities as

required by the Regulatory Flexibility

Act. It has determined that today’s final

rule will not have a significant

economic effect on a substantial number

of small entities. The overall economic

effect of this regulation has been

determined to equate to 6,249 hours of

burden reduction (with no added

burden) at a total cost saving of

$355,628 per year to all regulated

entities. Therefore, this regulation will

have a cost savings, and not have a

significant impact on small businesses.

c. Paperwork Reduction Act

The information collection

requirements contained in this final rule

have been approved by OMB under the

provisions of the Paperwork Reduction

Act, 44 U.S.C. 3501 et seq., and have

been assigned OMB control number

2050–0092 (EPA Information Collection

Request No. 1395.2). Copies of the

information collection requests may be

obtained from Sandy Farmer, OPPE

Regulatory Information Division, U.S.

Environmental Protection Agency

(2136), 401 M Street, SW., Washington,

DC 20460 or by calling (202) 260–2740.

As indicated in the Section I

Introduction, the mandatory reporting

requirements under EPCRA section 304

serve as a trigger for informing state and

local governments of a release, so that

state and local personnel can evaluate

the need for any necessary action in a

timely fashion. EPCRA section 304 also

requires the submittal of a written

follow-up notice to the same state and

local entities.

The public reporting burden for the

collection of information pursuant to

EPCRA section 304 is estimated to take,

on average, 5 hours per response. This

estimate includes the time required to

make the call and to develop the written

follow-up notice.

Because the RQs for almost all of the

substances included in today’s rule are

to be raised, the net reporting and

recordkeeping burden associated with

reporting releases of these substances

under EPCRA section 304 is expected to

decrease. As demonstrated in an

economic impact analysis (EIA), the

Agency estimates that the total burden

reduction for notification to SERCs and

LEPCs, and notification to 911 services

in transportation-related incidents, and

the completion of follow up reports will

equate to 6,249 hours at a total cost

savings of $355,628 per year.

Send comments on the ICR to the

Director, OPPE Regulatory Information

Division, U.S. Environmental Protection

Agency (2136), 401 M Street, SW.,

Washington, DC 20460; and to the

Office of Information and Regulatory

Affairs, Office of Management and

Budget, 725 17th Street, NW.,

Washington, DC 20503, marked

‘‘Attention: Desk Officer for EPA.’’

Include ICR number 1395.2 in any

correspondence.

d. Unfunded Mandates Reform Act

Title II of the Unfunded Mandates

Reform Act of 1995 (UMRA), Public

Law 104–4, establishes requirements for

Federal agencies to assess the effects of

their regulatory actions on State, local,

and tribal governments and the private

sector. Under section 202 of the UMRA,

EPA generally must prepare a written

statement, including a cost-benefit

analysis, for proposed and final rules

with ‘‘Federal mandates’’ that may

result in expenditures to State, local,

and tribal governments, in the aggregate,

or to the private sector, of $100 million

or more in any one year. Before

promulgating an EPA rule for which a

written statement is needed, section 205

of the UMRA generally requires EPA to

identify and consider a reasonable

number of regulatory alternatives and

adopt the least costly, most costeffective or least burdensome alternative

that achieves the objectives of the rule.

The provisions of section 205 do not

apply when they are inconsistent with

applicable law. Moreover, section 205

allows EPA to adopt an alternative other

than the least costly, most cost-effective

or least burdensome alternative if the

Administrator publishes with the final

rule an explanation why that alternative

was not adopted. Before EPA establishes

any regulatory requirements that may

significantly or uniquely affect small

governments, including tribal

governments, it must have developed

under section 203 of the UMRA a small

government agency plan. The plan must

provide for notifying potentially

affected small governments, enabling

officials of affected small governments

to have meaningful and timely input in

the development of EPA regulatory

proposals with significant Federal

intergovernmental mandates, and

informing, educating, and advising

small governments on compliance with

the regulatory requirements.

EPA has determined that this rule

does not contain a Federal mandate that

may result in expenditures of $100

million or more for State, local, and

tribal governments, in the aggregate, or

the private sector in any one year.

Because the RQs for almost all of the

substances included in today’s rule are

to be raised, the net reporting and

recordkeeping burden associated with

reporting releases of these substances

under EPCRA section 304 is expected to

decrease. As demonstrated in an

economic impact analysis (EIA), the

Agency estimates that the total burden

reduction for notification to SERCs and

LEPCs, and notification to 911 services

in transportation-related incidents, and

the completion of follow up reports will

equate to 6,249 hours at a total cost

savings of $355,628 per year. Thus,

today’s rule is not subject to the

requirements of sections 202 and 205 of

the UMRA.

EPA has determined that this rule

contains no regulatory requirements that

might significantly or uniquely affect
Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20479

small governments. Because the RQs for

almost all of the substances included in

today’s rule are to be raised, the net

reporting and recordkeeping burden

associated with reporting releases of

these substances under EPCRA section

304 is expected to decrease. Small

governments will no longer receive

notifications and written follow-up

reports from facilities that have releases

of extremely hazardous substances less

that the substances’ TPQ.

List of Subjects in 40 CFR Part 355

Air pollution control, Chemical

accident prevention, Chemical

emergency preparedness, Chemicals,

Community emergency response plan,

Community right-to-know, Contingency

planning, Disaster assistance,

Emergency Planning and Community

Right-to-Know Act, Extremely

hazardous substances, Hazardous

substances, Intergovernmental relations,

Natural resources, Penalties, Reportable

quantity, Reporting and recordkeeping

requirements, Superfund Amendments

and Reauthorization Act, Threshold

planning quantity, Water pollution

control, Water supply.

Dated: April 29, 1996.

Carol M. Browner,

Administrator.

For the reasons set out in the

preamble, title 40, Chapter I of the Code

of Federal Regulations is amended as

follows:

PART 355—EMERGENCY PLANNING

AND NOTIFICATION

1. The authority citation for part 355

continues to read as follows:

Authority: 42 U.S.C. 11002, 11004, and

11048.

2. Appendices A and B in Part 355 are

revised to read as follows:

APPENDIX A TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES

[Alphabetical Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

75–86–5 Acetone Cyanohydrin ..................................................................................................... 10 1,000

1752–30–3 Acetone Thiosemicarbazide ........................................................................................... 1,000 1,000/10,000

107–02–8 Acrolein ........................................................................................................................... 1 500

79–06–1 Acrylamide ...................................................................................................................... l 5,000 1,000/10,000

107–13–1 Acrylonitrile ..................................................................................................................... l 100 10,000

814–68–6 Acrylyl Chloride ............................................................................................................... h 100 100

111–69–3 Adiponitrile ...................................................................................................................... l 1,000 1,000

116–06–3 Aldicarb ........................................................................................................................... c 1 100/10,000

309–00–2 Aldrin ............................................................................................................................... 1 500/10,000

107–18–6 Allyl Alcohol .................................................................................................................... 100 1,000

107–11–9 Allylamine ........................................................................................................................ 500 500

20859–73–8 Aluminum Phosphide ...................................................................................................... b 100 500

54–62–6 Aminopterin ..................................................................................................................... 500 500/10,000

78–53–5 Amiton ............................................................................................................................. 500 500

3734–97–2 Amiton Oxalate ............................................................................................................... 100 100/10,000

7664–41–7 Ammonia ......................................................................................................................... l 100 500

300–62–9 Amphetamine .................................................................................................................. 1,000 1,000

62–53–3 Aniline ............................................................................................................................. l 5,000 1,000

88–05–1 Aniline, 2,4,6–Trimethyl- ................................................................................................. 500 500

7783–70–2 Antimony Pentafluoride ................................................................................................... 500 500

1397–94–0 Antimycin A ..................................................................................................................... c 1,000 1,000/10,000

86–88–4 ANTU .............................................................................................................................. 100 500/10,000

1303–28–2 Arsenic Pentoxide ........................................................................................................... 1 100/10,000

1327–53–3 Arsenous Oxide .............................................................................................................. h 1 100/10,000

7784–34–1 Arsenous Trichloride ....................................................................................................... 1 500

7784–42–1 Arsine .............................................................................................................................. 100 100

2642–71–9 Azinphos-Ethyl ................................................................................................................ 100 100/10,000

86–50–0 Azinphos-Methyl ............................................................................................................. 1 10/10,000

98–87–3 Benzal Chloride .............................................................................................................. 5,000 500

98–16–8 Benzenamine, 3-(Trifluoromethyl)- ................................................................................. 500 500

100–14–1 Benzene, 1-(Chloromethyl)-4–Nitro- ............................................................................... 500 500/10,000

98–05–5 Benzenearsonic Acid ...................................................................................................... 10 10/10,000

3615–21–2 Benzimidazole, 4,5–Dichloro-2-(Trifluoromethyl)- .......................................................... g 500 500/10,000

98–07–7 Benzotrichloride .............................................................................................................. 10 100

100–44–7 Benzyl Chloride ............................................................................................................... 100 500

140–29–4 Benzyl Cyanide ............................................................................................................... h 500 500

15271–41–7 Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-

((((Methylamino)Carbonyl)Oxy)Imino)–, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))–.

500 500/10,000

534–07–6 Bis(Chloromethyl) Ketone ............................................................................................... 10 10/10,000

4044–65–9 Bitoscanate ..................................................................................................................... 500 500/10,000

10294–34–5 Boron Trichloride ............................................................................................................ 500 500

7637–07–2 Boron Trifluoride ............................................................................................................. 500 500

353–42–4 Boron Trifluoride Compound With Methyl Ether (1:1) .................................................... 1,000 1,000

28772–56–7 Bromadiolone .................................................................................................................. 100 100/10,000

7726–95–6 Bromine ........................................................................................................................... l 500 500

1306–19–0 Cadmium Oxide .............................................................................................................. 100 100/10,000

2223–93–0 Cadmium Stearate .......................................................................................................... c 1,000 1,000/10,000

7778–44–1 Calcium Arsenate ........................................................................................................... 1 500/10,000
20480 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

APPENDIX A TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[Alphabetical Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

8001–35–2 Camphechlor ................................................................................................................... 1 500/10,000

56–25–7 Cantharidin ...................................................................................................................... 100 100/10,000

51–83–2 Carbachol Chloride ......................................................................................................... 500 500/10,000

26419–73–8 Carbamic Acid, Methyl-, O-(((2,4–Dimethyl-1, 3–Dithiolan-2-yl)Methylene)Amino)- ...... d 1 100/10,000

1563–66–2 Carbofuran ...................................................................................................................... 10 10/10,000

75–15–0 Carbon Disulfide ............................................................................................................. l 100 10,000

786–19–6 Carbophenothion ............................................................................................................ 500 500

57–74–9 Chlordane ....................................................................................................................... 1 1,000

470–90–6 Chlorfenvinfos ................................................................................................................. 500 500

7782–50–5 Chlorine ........................................................................................................................... 10 100

24934–91–6 Chlormephos ................................................................................................................... 500 500

999–81–5 Chlormequat Chloride ..................................................................................................... h 100 100/10,000

79–11–8 Chloroacetic Acid ............................................................................................................ 100 100/10,000

107–07–3 Chloroethanol .................................................................................................................. 500 500

627–11–2 Chloroethyl Chloroformate .............................................................................................. 1,000 1,000

67–66–3 Chloroform ...................................................................................................................... l 10 10,000

542–88–1 Chloromethyl Ether ......................................................................................................... h 10 100

107–30–2 Chloromethyl Methyl Ether ............................................................................................. c 10 100

3691–35–8 Chlorophacinone ............................................................................................................. 100 100/10,000

1982–47–4 Chloroxuron .................................................................................................................... 500 500/10,000

21923–23–9 Chlorthiophos .................................................................................................................. h 500 500

10025–73–7 Chromic Chloride ............................................................................................................ 1 1/10,000

62207–76–5 Cobalt, ((2,2’-(1,2–Ethanediylbis (Nitrilomethylidyne)) Bis(6–Fluorophenolato))(2-)-

N,N’,O,O’)-.

100 100/10,000

10210–68–1 Cobalt Carbonyl .............................................................................................................. h 10 10/10,000

64–86–8 Colchicine ....................................................................................................................... h 10 10/10,000

56–72–4 Coumaphos ..................................................................................................................... 10 100/10,000

5836–29–3 Coumatetralyl .................................................................................................................. 500 500/10,000

95–48–7 Cresol, o- ........................................................................................................................ 100 1,000/10,000

535–89–7 Crimidine ......................................................................................................................... 100 100/10,000

4170–30–3 Crotonaldehyde ............................................................................................................... 100 1,000

123–73–9 Crotonaldehyde, (E)- ...................................................................................................... 100 1,000

506–68–3 Cyanogen Bromide ......................................................................................................... 1,000 500/10,000

506–78–5 Cyanogen Iodide ............................................................................................................. 1,000 1,000/10,000

2636–26–2 Cyanophos ...................................................................................................................... 1,000 1,000

675–14–9 Cyanuric Fluoride ............................................................................................................ 100 100

66–81–9 Cycloheximide ................................................................................................................. 100 100/10,000

108–91–8 Cyclohexylamine ............................................................................................................. l 10,000 10,000

17702–41–9 Decaborane(14) .............................................................................................................. 500 500/10,000

8065–48–3 Demeton ......................................................................................................................... 500 500

919–86–8 Demeton-S-Methyl .......................................................................................................... 500 500

10311–84–9 Dialifor ............................................................................................................................. 100 100/10,000

19287–45–7 Diborane ......................................................................................................................... 100 100

111–44–4 Dichloroethyl ether .......................................................................................................... 10 10,000

149–74–6 Dichloromethylphenylsilane ............................................................................................ 1,000 1,000

62–73–7 Dichlorvos ....................................................................................................................... 10 1,000

141–66–2 Dicrotophos ..................................................................................................................... 100 100

1464–53–5 Diepoxybutane ................................................................................................................ 10 500

814–49–3 Diethyl Chlorophosphate ................................................................................................ h 500 500

71–63–6 Digitoxin .......................................................................................................................... c 100 100/10,000

2238–07–5 Diglycidyl Ether ............................................................................................................... 1,000 1,000

20830–75–5 Digoxin ............................................................................................................................ h 10 10/10,000

115–26–4 Dimefox ........................................................................................................................... 500 500

60–51–5 Dimethoate ...................................................................................................................... 10 500/10,000

2524–03–0 Dimethyl Phosphorochloridothioate ................................................................................ 500 500

77–78–1 Dimethyl sulfate .............................................................................................................. 100 500

75–78–5 Dimethyldichlorosilane .................................................................................................... h 500 500

57–14–7 Dimethylhydrazine .......................................................................................................... 10 1,000

99–98–9 Dimethyl-p-Phenylenediamine ........................................................................................ 10 10/10,000

644–64–4 Dimetilan ......................................................................................................................... d 1 500/10,000

534–52–1 Dinitrocresol .................................................................................................................... 10 10/10,000

88–85–7 Dinoseb ........................................................................................................................... 1,000 100/10,000

1420–07–1 Dinoterb .......................................................................................................................... 500 500/10,000

78–34–2 Dioxathion ....................................................................................................................... 500 500

82–66–6 Diphacinone .................................................................................................................... 10 10/10,000

152–16–9 Diphosphoramide, Octamethyl- ...................................................................................... 100 100

298–04–4 Disulfoton ........................................................................................................................ 1 500

514–73–8 Dithiazanine Iodide ......................................................................................................... 500 500/10,000
Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20481

APPENDIX A TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[Alphabetical Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

541–53–7 Dithiobiuret ...................................................................................................................... 100 100/10,000

316–42–7 Emetine, Dihydrochloride ................................................................................................ h 1 1/10,000

115–29–7 Endosulfan ...................................................................................................................... 1 10/10,000

2778–04–3 Endothion ........................................................................................................................ 500 500/10,000

72–20–8 Endrin .............................................................................................................................. 1 500/10,000

106–89–8 Epichlorohydrin ............................................................................................................... l 100 1,000

2104–64–5 EPN ................................................................................................................................. 100 100/10,000

50–14–6 Ergocalciferol .................................................................................................................. c 1,000 1,000/10,000

379–79–3 Ergotamine Tartrate ........................................................................................................ 500 500/10,000

1622–32–8 Ethanesulfonyl Chloride, 2-Chloro- ................................................................................. 500 500

10140–87–1 Ethanol, 1,2–Dichloro-, Acetate ...................................................................................... 1,000 1,000

563–12–2 Ethion .............................................................................................................................. 10 1,000

13194–48–4 Ethoprophos .................................................................................................................... 1,000 1,000

538–07–8 Ethylbis(2-Chloroethyl)Amine ......................................................................................... h 500 500

371–62–0 Ethylene Fluorohydrin ..................................................................................................... c, h 10 10

75–21–8 Ethylene Oxide ............................................................................................................... l 10 1,000

107–15–3 Ethylenediamine ............................................................................................................. 5,000 10,000

151–56–4 Ethyleneimine ................................................................................................................. 1 500

542–90–5 Ethylthiocyanate .............................................................................................................. 10,000 10,000

22224–92–6 Fenamiphos .................................................................................................................... 10 10/10,000

115–90–2 Fensulfothion .................................................................................................................. h 500 500

4301–50–2 Fluenetil .......................................................................................................................... 100 100/10,000

7782–41–4 Fluorine ........................................................................................................................... k 10 500

640–19–7 Fluoroacetamide ............................................................................................................. j 100 100/10,000

144–49–0 Fluoroacetic Acid ............................................................................................................ 10 10/10,000

359–06–8 Fluoroacetyl Chloride ...................................................................................................... c 10 10

51–21–8 Fluorouracil ..................................................................................................................... 500 500/10,000

944–22–9 Fonofos ........................................................................................................................... 500 500

50–00–0 Formaldehyde ................................................................................................................. l 100 500

107–16–4 Formaldehyde Cyanohydrin ............................................................................................ h 1,000 1,000

23422–53–9 Formetanate Hydrochloride ............................................................................................ d, h 1 500/10,000

2540–82–1 Formothion ...................................................................................................................... 100 100

17702–57–7 Formparanate ................................................................................................................. d 1 100/10,000

21548–32–3 Fosthietan ....................................................................................................................... 500 500

3878–19–1 Fuberidazole ................................................................................................................... 100 100/10,000

110–00–9 Furan ............................................................................................................................... 100 500

13450–90–3 Gallium Trichloride .......................................................................................................... 500 500/10,000

77–47–4 Hexachlorocyclopentadiene ............................................................................................ h 10 100

4835–11–4 Hexamethylenediamine, N,N′-Dibutyl- ............................................................................ 500 500

302–01–2 Hydrazine ........................................................................................................................ 1 1,000

74–90–8 Hydrocyanic Acid ............................................................................................................ 10 100

7647–01–0 Hydrogen Chloride (gas only) ......................................................................................... l 5,000 500

7664–39–3 Hydrogen Fluoride .......................................................................................................... 100 100

7722–84–1 Hydrogen Peroxide (Conc > 52%) ................................................................................. l 1,000 1,000

7783–07–5 Hydrogen Selenide ......................................................................................................... 10 10

7783–06–4 Hydrogen Sulfide ............................................................................................................ l 100 500

123–31–9 Hydroquinone .................................................................................................................. l 100 500/10,000

13463–40–6 Iron, Pentacarbonyl- ....................................................................................................... 100 100

297–78–9 Isobenzan ....................................................................................................................... 100 100/10,000

78–82–0 Isobutyronitrile ................................................................................................................. h 1,000 1,000

102–36–3 Isocyanic Acid, 3,4–Dichlorophenyl Ester ...................................................................... 500 500/10,000

465–73–6 Isodrin ............................................................................................................................. 1 100/10,000

55–91–4 Isofluorphate ................................................................................................................... c 100 100

4098–71–9 Isophorone Diisocyanate ................................................................................................ 100 100

108–23–6 Isopropyl Chloroformate ................................................................................................. 1,000 1,000

119–38–0 Isopropylmethylpyrazolyl Dimethylcarbamate ................................................................ d 1 500

78–97–7 Lactonitrile ....................................................................................................................... 1,000 1,000

21609–90–5 Leptophos ....................................................................................................................... 500 500/10,000

541–25–3 Lewisite ........................................................................................................................... c, h 10 10

58–89–9 Lindane ........................................................................................................................... 1 1,000/10,000

7580–67–8 Lithium Hydride ............................................................................................................... b 100 100

109–77–3 Malononitrile .................................................................................................................... 1,000 500/10,000

12108–13–3 Manganese, Tricarbonyl Methylcyclopentadienyl ........................................................... h 100 100

51–75–2 Mechlorethamine ............................................................................................................ c 10 10

950–10–7 Mephosfolan ................................................................................................................... 500 500

1600–27–7 Mercuric Acetate ............................................................................................................. 500 500/10,000

7487–94–7 Mercuric Chloride ............................................................................................................ 500 500/10,000

21908–53–2 Mercuric Oxide ................................................................................................................ 500 500/10,000
20482 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

APPENDIX A TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[Alphabetical Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

10476–95–6 Methacrolein Diacetate ................................................................................................... 1,000 1,000

760–93–0 Methacrylic Anhydride .................................................................................................... 500 500

126–98–7 Methacrylonitrile .............................................................................................................. h 1,000 500

920–46–7 Methacryloyl Chloride ..................................................................................................... 100 100

30674–80–7 Methacryloyloxyethyl Isocyanate .................................................................................... h 100 100

10265–92–6 Methamidophos .............................................................................................................. 100 100/10,000

558–25–8 Methanesulfonyl Fluoride ................................................................................................ 1,000 1,000

950–37–8 Methidathion ................................................................................................................... 500 500/10,000

2032–65–7 Methiocarb ...................................................................................................................... 10 500/10,000

16752–77–5 Methomyl ........................................................................................................................ h 100 500/10,000

151–38–2 Methoxyethylmercuric Acetate ........................................................................................ 500 500/10,000

80–63–7 Methyl 2–Chloroacrylate ................................................................................................. 500 500

74–83–9 Methyl Bromide ............................................................................................................... l 1,000 1,000

79–22–1 Methyl Chloroformate ..................................................................................................... h 1,000 500

60–34–4 Methyl Hydrazine ............................................................................................................ 10 500

624–83–9 Methyl Isocyanate ........................................................................................................... 10 500

556–61–6 Methyl Isothiocyanate ..................................................................................................... b 500 500

74–93–1 Methyl Mercaptan ........................................................................................................... l 100 500

3735–23–7 Methyl Phenkapton ......................................................................................................... 500 500

676–97–1 Methyl Phosphonic Dichloride ........................................................................................ b 100 100

556–64–9 Methyl Thiocyanate ......................................................................................................... 10,000 10,000

78–94–4 Methyl Vinyl Ketone ........................................................................................................ 10 10

502–39–6 Methylmercuric Dicyanamide .......................................................................................... 500 500/10,000

75–79–6 Methyltrichlorosilane ....................................................................................................... h 500 500

1129–41–5 Metolcarb ........................................................................................................................ d 1 100/10,000

7786–34–7 Mevinphos ....................................................................................................................... 10 500

315–18–4 Mexacarbate ................................................................................................................... 1,000 500/10,000

50–07–7 Mitomycin C .................................................................................................................... 10 500/10,000

6923–22–4 Monocrotophos ............................................................................................................... 10 10/10,000

2763–96–4 Muscimol ......................................................................................................................... 1,000 500/10,000

505–60–2 Mustard Gas ................................................................................................................... h 500 500

13463–39–3 Nickel Carbonyl ............................................................................................................... 10 1

54–11–5 Nicotine ........................................................................................................................... c 100 100

65–30–5 Nicotine Sulfate ............................................................................................................... 100 100/10,000

7697–37–2 Nitric Acid ........................................................................................................................ 1,000 1,000

10102–43–9 Nitric Oxide ..................................................................................................................... c 10 100

98–95–3 Nitrobenzene ................................................................................................................... l 1,000 10,000

1122–60–7 Nitrocyclohexane ............................................................................................................ 500 500

10102–44–0 Nitrogen Dioxide ............................................................................................................. 10 100

62–75–9 Nitrosodimethylamine ..................................................................................................... h 10 1,000

991–42–4 Norbormide ..................................................................................................................... 100 100/10,000

0 Organorhodium Complex (PMN–82–147) ...................................................................... 10 10/10,000

630–60–4 Ouabain .......................................................................................................................... c 100 100/10,000

23135–22–0 Oxamyl ............................................................................................................................ d 1 100/10,000

78–71–7 Oxetane, 3,3–Bis(Chloromethyl)- ................................................................................... 500 500

2497–07–6 Oxydisulfoton .................................................................................................................. h 500 500

10028–15–6 Ozone ............................................................................................................................. 100 100

1910–42–5 Paraquat Dichloride ........................................................................................................ 10 10/10,000

2074–50–2 Paraquat Methosulfate .................................................................................................... 10 10/10,000

56–38–2 Parathion ......................................................................................................................... c 10 100

298–00–0 Parathion-Methyl ............................................................................................................. c 100 100/10,000

12002–03–8 Paris Green ..................................................................................................................... 1 500/10,000

19624–22–7 Pentaborane ................................................................................................................... 500 500

2570–26–5 Pentadecylamine ............................................................................................................ 100 100/10,000

79–21–0 Peracetic Acid ................................................................................................................. 500 500

594–42–3 Perchloromethylmercaptan ............................................................................................. 100 500

108–95–2 Phenol ............................................................................................................................. 1,000 500/10,000

4418–66–0 Phenol, 2,2’-Thiobis(4–Chloro-6–Methyl)- ...................................................................... 100 100/10,000

64–00–6 Phenol, 3-(1–Methylethyl)-, Methylcarbamate ................................................................ d 1 500/10,000

58–36–6 Phenoxarsine, 10,10’-Oxydi- .......................................................................................... 500 500/10,000

696–28–6 Phenyl Dichloroarsine ..................................................................................................... h 1 500

59–88–1 Phenylhydrazine Hydrochloride ...................................................................................... 1,000 1,000/10,000

62–38–4 Phenylmercury Acetate ................................................................................................... 100 500/10,000

2097–19–0 Phenylsilatrane ............................................................................................................... h 100 100/10,000

103–85–5 Phenylthiourea ................................................................................................................ 100 100/10,000

298–02–2 Phorate ........................................................................................................................... 10 10

4104–14–7 Phosacetim ..................................................................................................................... 100 100/10,000

947–02–4 Phosfolan ........................................................................................................................ 100 100/10,000
Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20483

APPENDIX A TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[Alphabetical Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

75–44–5 Phosgene ........................................................................................................................ l 10 10

732–11–6 Phosmet .......................................................................................................................... 10 10/10,000

13171–21–6 Phosphamidon ................................................................................................................ 100 100

7803–51–2 Phosphine ....................................................................................................................... 100 500

2703–13–1 Phosphonothioic Acid, Methyl-, O-Ethyl O-(4- (Methylthio) Phenyl) Ester .................... 500 500

50782–69–9 Phosphonothioic Acid, Methyl-, S-(2-(Bis(1–Methylethyl)Amino)Ethyl) O-Ethyl Ester ... 100 100

2665–30–7 Phosphonothioic Acid, Methyl-, O-(4–Nitrophenyl) O-Phenyl Ester ............................... 500 500

3254–63–5 Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester .................................................. 500 500

2587–90–8 Phosphorothioic Acid, O,O-Dimethyl-S-(2–Methylthio) Ethyl Ester ................................ c, g 500 500

7723–14–0 Phosphorus ..................................................................................................................... b, h 1 100

10025–87–3 Phosphorus Oxychloride ................................................................................................. 1,000 500

10026–13–8 Phosphorus Pentachloride .............................................................................................. b 500 500

7719–12–2 Phosphorus Trichloride ................................................................................................... 1,000 1,000

57–47–6 Physostigmine ................................................................................................................. d 1 100/10,000

57–64–7 Physostigmine, Salicylate (1:1) ...................................................................................... d 1 100/10,000

124–87–8 Picrotoxin ........................................................................................................................ 500 500/10,000

110–89–4 Piperidine ........................................................................................................................ 1,000 1,000

23505–41–1 Pirimifos-Ethyl ................................................................................................................. 1,000 1,000

10124–50–2 Potassium Arsenite ......................................................................................................... 1 500/10,000

151–50–8 Potassium Cyanide ......................................................................................................... b 10 100

506–61–6 Potassium Silver Cyanide ............................................................................................... b 1 500

2631–37–0 Promecarb ...................................................................................................................... d, h 1 500/10,000

106–96–7 Propargyl Bromide .......................................................................................................... 10 10

57–57–8 Propiolactone, Beta- ....................................................................................................... 10 500

107–12–0 Propionitrile ..................................................................................................................... 10 500

542–76–7 Propionitrile, 3–Chloro- ................................................................................................... 1,000 1,000

70–69–9 Propiophenone, 4–Amino- .............................................................................................. g 100 100/10,000

109–61–5 Propyl Chloroformate ...................................................................................................... 500 500

75–56–9 Propylene Oxide ............................................................................................................. l 100 10,000

75–55–8 Propyleneimine ............................................................................................................... 1 10,000

2275–18–5 Prothoate ........................................................................................................................ 100 100/10,000

129–00–0 Pyrene ............................................................................................................................. c 5,000 1,000/10,000

140–76–1 Pyridine, 2–Methyl-5–Vinyl- ............................................................................................ 500 500

504–24–5 Pyridine, 4–Amino- ......................................................................................................... h 1,000 500/10,000

1124–33–0 Pyridine, 4–Nitro-,l-Oxide ................................................................................................ 500 500/10,000

53558–25–1 Pyriminil .......................................................................................................................... h 100 100/10,000

14167–18–1 Salcomine ....................................................................................................................... 500 500/10,000

107–44–8 Sarin ................................................................................................................................ h 10 10

7783–00–8 Selenious Acid ................................................................................................................ 10 1,000/10,000

7791–23–3 Selenium Oxychloride ..................................................................................................... 500 500

563–41–7 Semicarbazide Hydrochloride ......................................................................................... 1,000 1,000/10,000

3037–72–7 Silane, (4–Aminobutyl)Diethoxymethyl- .......................................................................... 1,000 1,000

7631–89–2 Sodium Arsenate ............................................................................................................ 1 1,000/10,000

7784–46–5 Sodium Arsenite ............................................................................................................. 1 500/10,000

26628–22–8 Sodium Azide (Na(N3)) ................................................................................................... b 1,000 500

124–65–2 Sodium Cacodylate ......................................................................................................... 100 100/10,000

143–33–9 Sodium Cyanide (Na(CN)) .............................................................................................. b 10 100

62–74–8 Sodium Fluoroacetate ..................................................................................................... 10 10/10,000

13410–01–0 Sodium Selenate ............................................................................................................ 100 100/10,000

10102–18–8 Sodium Selenite .............................................................................................................. h 100 100/10,000

10102–20–2 Sodium Tellurite .............................................................................................................. 500 500/10,000

900–95–8 Stannane, Acetoxytriphenyl- ........................................................................................... g 500 500/10,000

57–24–9 Strychnine ....................................................................................................................... c 10 100/10,000

60–41–3 Strychnine Sulfate ........................................................................................................... 10 100/10,000

3689–24–5 Sulfotep ........................................................................................................................... 100 500

3569–57–1 Sulfoxide, 3–Chloropropyl Octyl ..................................................................................... 500 500

7446–09–5 Sulfur Dioxide ................................................................................................................. 1 500 500

7783–60–0 Sulfur Tetrafluoride ......................................................................................................... 100 100

7446–11–9 Sulfur Trioxide ................................................................................................................. b 100 100

7664–93–9 Sulfuric Acid .................................................................................................................... 1,000 1,000

77–81–6 Tabun .............................................................................................................................. c, h 10 10

7783–80–4 Tellurium Hexafluoride .................................................................................................... k 100 100

107–49–3 TEPP ............................................................................................................................... 10 100

13071–79–9 Terbufos .......................................................................................................................... h 100 100

78–00–2 Tetraethyllead ................................................................................................................. c 10 100

597–64–8 Tetraethyltin .................................................................................................................... c 100 100

75–74–1 Tetramethyllead .............................................................................................................. c, 1 100 100

509–14–8 Tetranitromethane ........................................................................................................... 10 500
20484 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

APPENDIX A TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[Alphabetical Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

10031–59–1 Thallium Sulfate .............................................................................................................. h 100 100/10,000

6533–73–9 Thallous Carbonate ........................................................................................................ c, h 100 100/10,000

7791–12–0 Thallous Chloride ............................................................................................................ c, h 100 100/10,000

2757–18–8 Thallous Malonate .......................................................................................................... c, h 100 100/10,000

7446–18–6 Thallous Sulfate .............................................................................................................. 100 100/10,000

2231–57–4 Thiocarbazide ................................................................................................................. 1,000 1,000/10,000

39196–18–4 Thiofanox ........................................................................................................................ 100 100/10,000

297–97–2 Thionazin ........................................................................................................................ 100 500

108–98–5 Thiophenol ...................................................................................................................... 100 500

79–19–6 Thiosemicarbazide .......................................................................................................... 100 100/10,000

5344–82–1 Thiourea, (2–Chlorophenyl)- ........................................................................................... 100 100/10,000

614–78–8 Thiourea, (2–Methylphenyl)- ........................................................................................... 500 500/10,000

7550–45–0 Titanium Tetrachloride .................................................................................................... 1,000 100

584–84–9 Toluene 2,4–Diisocyanate .............................................................................................. 100 500

91–08–7 Toluene 2,6–Diisocyanate .............................................................................................. 100 100

110–57–6 Trans-1,4–Dichlorobutene .............................................................................................. 500 500

1031–47–6 Triamiphos ...................................................................................................................... 500 500/10,000

24017–47–8 Triazofos ......................................................................................................................... 500 500

76–02–8 Trichloroacetyl Chloride .................................................................................................. 500 500

115–21–9 Trichloroethylsilane ......................................................................................................... h 500 500

327–98–0 Trichloronate ................................................................................................................... k 500 500

98–13–5 Trichlorophenylsilane ...................................................................................................... h 500 500

1558–25–4 Trichloro(Chloromethyl)Silane ........................................................................................ 100 100

27137–85–5 Trichloro(Dichlorophenyl) Silane ..................................................................................... 500 500

998–30–1 Triethoxysilane ................................................................................................................ 500 500

75–77–4 Trimethylchlorosilane ...................................................................................................... 1,000 1,000

824–11–3 Trimethylolpropane Phosphite ........................................................................................ h 100 100/10,000

1066–45–1 Trimethyltin Chloride ....................................................................................................... 500 500/10,000

639–58–7 Triphenyltin Chloride ....................................................................................................... 500 500/10,000

555–77–1 Tris(2–Chloroethyl)Amine ............................................................................................... h 100 100

2001–95–8 Valinomycin ..................................................................................................................... c 1,000 1,000/10,000

1314–62–1 Vanadium Pentoxide ....................................................................................................... 1,000 100/10,000

108–05–4 Vinyl Acetate Monomer .................................................................................................. 1 5,000 1,000

81–81–2 Warfarin .......................................................................................................................... 100 500/10,000

129–06–6 Warfarin Sodium ............................................................................................................. h 100 100/10,000

28347–13–9 Xylylene Dichloride ......................................................................................................... 100 100/10,000

58270–08–9 Zinc, Dichloro(4,4– Dimethyl-5((((Methylamino)Carbonyl) Oxy)Imino)Pentanenitrile)-,

(T–4)-.

100 100/10,000

1314–84–7 Zinc Phosphide ............................................................................................................... b 100 500

* Only the statutory or final RQ is shown. For more information, see 40 CFR Table 302.4.

NOTES: a This chemical does not meet acute toxicity criteria. Its TPQ is set at 10,000 pounds.

b This material is a reactive solid. The TPQ does not default to 10,000 pounds for non-powder, non-molten, nonsolution form.

c The calculated TPQ changed after technical review as described in the technical support document.

d Indicates that the RQ is subject to change when the assessment of potential carcinogenicity and/or other toxicity is completed.

e Statutory reportable quantity for purposes of notification under SARA sect 304(a)(2).

f [Reserved]

g New chemicals added that were not part of the original list of 402 substances.

h Revised TPQ based on new or re-evaluated toxicity data.

j TPQ is revised to its calculated value and does not change due to technical review as in proposed rule.

k The TPQ was revised after proposal due to calculation error.

l Chemicals on the original list that do not meet toxicity criteria but because of their high production volume and recognized toxicity are considered chemicals of concern (‘‘Other chemicals’’).

APPENDIX B TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES

[CAS Number Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

0 Organorhodium Complex (PMN–82–147) ...................................................................... 10 10/10,000

50–00–0 Formaldehyde ................................................................................................................. l 100 500

50–07–7 Mitomycin C .................................................................................................................... 10 500/10,000

50–14–6 Ergocalciferol .................................................................................................................. c 1,000 1,000/10,000

51–21–8 Fluorouracil ..................................................................................................................... 500 500/10,000

51–75–2 Mechlorethaminec ........................................................................................................... c 10 10
Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20485

APPENDIX B TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[CAS Number Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

51–83–2 Carbachol Chloride ......................................................................................................... 500 500/10,000

54–11–5 Nicotine ........................................................................................................................... c 100 100

54–62–6 Aminopterin ..................................................................................................................... 500 500/10,000

55–91–4 Isofluorphate ................................................................................................................... c 100 100

56–25–7 Cantharidin ...................................................................................................................... 100 100/10,000

56–38–2 Parathion ......................................................................................................................... c 10 100

56–72–4 Coumaphos ..................................................................................................................... 10 100/10,000

57–14–7 Dimethylhydrazine .......................................................................................................... 10 1,000

57–24–9 Strychnine ....................................................................................................................... c 10 100/10,000

57–47–6 Physostigmine ................................................................................................................. d 1 100/10,000

57–57–8 Propiolactone, Beta- ....................................................................................................... 10 500

57–64–7 Physostigmine, Salicylate (1:1) ...................................................................................... d 1 100/10,000

57–74–9 Chlordane ....................................................................................................................... 1 1,000

58–36–6 Phenoxarsine, 10,10’-Oxydi- .......................................................................................... 500 500/10,000

58–89–9 Lindane ........................................................................................................................... 1 1,000/10,000

59–88–1 Phenylhydrazine Hydrochloride ...................................................................................... 1,000 1,000/10,000

60–34–4 Methyl Hydrazine ............................................................................................................ 10 500

60–41–3 Strychnine sulfate ........................................................................................................... 10 100/10,000

60–51–5 Dimethoate ...................................................................................................................... 10 500/10,000

62–38–4 Phenylmercury Acetate ................................................................................................... 100 500/10,000

62–53–3 Aniline ............................................................................................................................. l 5,000 1,000

62–73–7 Dichlorvos ....................................................................................................................... 10 1,000

62–74–8 Sodium Fluoroacetate ..................................................................................................... 10 10/10,000

62–75–9 Nitrosodimethylamine ..................................................................................................... h 10 1,000

64–00–6 Phenol, 3-(1-Methylethyl)-, Methylcarbamate ................................................................. d 1 500/10,000

64–86–8 Colchicine ....................................................................................................................... h 10 10/10,000

65–30–5 Nicotine sulfate ............................................................................................................... 100 100/10,000

66–81–9 Cycloheximide ................................................................................................................. 100 100/10,000

67–66–3 Chloroform ...................................................................................................................... l 10 10,000

70–69–9 Propiophenone, 4-Amino- ............................................................................................... g 100 100/10,000

71–63–6 Digitoxin .......................................................................................................................... c 100 100/10,000

72–20–8 Endrin .............................................................................................................................. 1 500/10,000

74–83–9 Methyl Bromide ............................................................................................................... l 1,000 1,000

74–90–8 Hydrocyanic Acid ............................................................................................................ 10 100

74–93–1 Methyl Mercaptan ........................................................................................................... l 100 500

75–15–0 Carbon Disulfide ............................................................................................................. l 100 10,000

75–21–8 Ethylene Oxide ............................................................................................................... l 10 1,000

75–44–5 Phosgene ........................................................................................................................ l 10 10

75–55–8 Propyleneimine ............................................................................................................... 1 10,000

75–56–9 Propylene Oxide ............................................................................................................. l 100 10,000

75–74–1 Tetramethyllead .............................................................................................................. c, l 100 100

75–77–4 Trimethylchlorosilane ...................................................................................................... 1,000 1,000

75–78–5 Dimethyldichlorosilane .................................................................................................... h 500 500

75–79–6 Methyltrichlorosilane ....................................................................................................... h 500 500

75–86–5 Acetone Cyanohydrin ..................................................................................................... 10 1,000

76–02–8 Trichloroacetyl Chloride .................................................................................................. 500 500

77–47–4 Hexachlorocyclopentadiene ............................................................................................ h 10 100

77–78–1 Dimethyl Sulfate .............................................................................................................. 100 500

77–81–6 Tabun .............................................................................................................................. c, h 10 10

78–00–2 Tetraethyllead ................................................................................................................. c 10 100

78–34–2 Dioxathion ....................................................................................................................... 500 500

78–53–5 Amiton ............................................................................................................................. 500 500

78–71–7 Oxetane, 3,3-Bis(Chloromethyl)- .................................................................................... 500 500

78–82–0 Isobutyronitrile ................................................................................................................. h 1,000 1,000

78–94–4 Methyl Vinyl Ketone ........................................................................................................ 10 10

78–97–7 Lactonitrile ....................................................................................................................... 1,000 1,000

79–06–1 Acrylamide ...................................................................................................................... l 5,000 1,000/10,000

79–11–8 Chloroacetic Acid ............................................................................................................ 100 100/10,000

79–19–6 Thiosemicarbazide .......................................................................................................... 100 100/10,000

79–21–0 Peracetic Acid ................................................................................................................. 500 500

79–22–1 Methyl Chloroformate ..................................................................................................... h 1,000 500

80–63–7 Methyl 2-Chloroacrylate .................................................................................................. 500 500

81–81–2 Warfarin .......................................................................................................................... 100 500/10,000

82–66–6 Diphacinone .................................................................................................................... 10 10/10,000

86–50–0 Azinphos-Methyl ............................................................................................................. 1 10/10,000

86–88–4 ANTU .............................................................................................................................. 100 500/10,000

88–05–1 Aniline, 2,4,6-Trimethyl- .................................................................................................. 500 500

88–85–7 Dinoseb ........................................................................................................................... 1,000 100/10,000
20486 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

APPENDIX B TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[CAS Number Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

91–08–7 Toluene 2,6-Diisocyanate ............................................................................................... 100 100

95–48–7 Cresol, o- ........................................................................................................................ 100 1,000/10,000

98–05–5 Benzenearsonic Acid ...................................................................................................... 10 10/10,000

98–07–7 Benzotrichloride .............................................................................................................. 10 100

98–13–5 Trichlorophenylsilane ...................................................................................................... h 500 500

98–16–8 Benzenamine, 3-(Trifluoromethyl)- ................................................................................. 500 500

98–87–3 Benzal Chloride .............................................................................................................. 5,000 500

98–95–3 Nitrobenzene ................................................................................................................... l 1,000 10,000

99–98–9 Dimethyl-p-Phenylenediamine ........................................................................................ 10 10/10,000

100–14–1 Benzene, 1-(Chloromethyl)-4-Nitro- ................................................................................ 500 500/10,000

100–44–7 Benzyl Chloride ............................................................................................................... 100 500

102–36–3 Isocyanic Acid, 3,4-Dichlorophenyl Ester ....................................................................... 500 500/10,000

103–85–5 Phenylthiourea ................................................................................................................ 100 100/10,000

106–89–8 Epichlorohydrin ............................................................................................................... l 100 1,000

106–96–7 Propargyl Bromide .......................................................................................................... 10 10

107–02–8 Acrolein ........................................................................................................................... 1 500

107–07–3 Chloroethanol .................................................................................................................. 500 500

107–11–9 Allylamine ........................................................................................................................ 500 500

107–12–0 Propionitrile ..................................................................................................................... 10 500

107–13–1 Acrylonitrile ..................................................................................................................... l 100 10,000

107–15–3 Ethylenediamine ............................................................................................................. 5,000 10,000

107–16–4 Formaldehyde Cyanohydrin ............................................................................................ h 1,000 1,000

107–18–6 Allyl Alcohol .................................................................................................................... 100 1,000

107–30–2 Chloromethyl Methyl Ether ............................................................................................. c 10 100

107–44–8 Sarin ................................................................................................................................ h 10 10

107–49–3 TEPP ............................................................................................................................... 10 100

108–05–4 Vinyl Acetate Monomer .................................................................................................. l 5,000 1,000

108–23–6 Isopropyl Chloroformate ................................................................................................. 1,000 1,000

108–91–8 Cyclohexylamine ............................................................................................................. l 10,000 10,000

108–95–2 Phenol ............................................................................................................................. 1,000 500/10,000

108–98–5 Thiophenol ...................................................................................................................... 100 500

109–61–5 Propyl Chloroformate ...................................................................................................... 500 500

109–77–3 Malononitrile .................................................................................................................... 1,000 500/10,000

110–00–9 Furan ............................................................................................................................... 100 500

110–57–6 Trans-1,4-Dichlorobutene ............................................................................................... 500 500

110–89–4 Piperidine ........................................................................................................................ 1,000 1,000

111–44–4 Dichloroethyl Ether ......................................................................................................... 10 10,000

111–69–3 Adiponitrile ...................................................................................................................... l 1,000 1,000

115–21–9 Trichloroethylsilane ......................................................................................................... h 500 500

115–26–4 Dimefox ........................................................................................................................... 500 500

115–29–7 Endosulfan ...................................................................................................................... 1 10/10,000

115–90–2 Fensulfothion .................................................................................................................. h 500 500

116–06–3 Aldicarb ........................................................................................................................... c 1 100/10,000

119–38–0 Isopropylmethylpyrazolyl Dimethylcarbamate ................................................................ d 1 500

123–31–9 Hydroquinone .................................................................................................................. l 100 500/10,000

123–73–9 Crotonaldehyde, (E)- ...................................................................................................... 100 1,000

124–65–2 Sodium Cacodylate ......................................................................................................... 100 100/10,000

124–87–8 Picrotoxin ........................................................................................................................ 500 500/10,000

126–98–7 Methacrylonitrile .............................................................................................................. h 1,000 500

129–00–0 Pyrene ............................................................................................................................. c 5,000 1,000/10,000

129–06–6 Warfarin Sodium ............................................................................................................. h 100 100/10,000

140–29–4 Benzyl Cyanide ............................................................................................................... h 500 500

140–76–1 Pyridine, 2-Methyl-5-Vinyl- .............................................................................................. 500 500

141–66–2 Dicrotophos ..................................................................................................................... 100 100

143–33–9 Sodium Cyanide (Na(CN)) .............................................................................................. b 10 100

144–49–0 Fluoroacetic Acid ............................................................................................................ 10 10/10,000

149–74–6 Dichloromethylphenylsilane ............................................................................................ 1,000 1,000

151–38–2 Methoxyethylmercuric Acetate ........................................................................................ 500 500/10,000

151–50–8 Potassium Cyanide ......................................................................................................... b 10 100

151–56–4 Ethyleneimine ................................................................................................................. 1 500

152–16–9 Diphosphoramide, Octamethyl- ...................................................................................... 100 100

297–78–9 Isobenzan ....................................................................................................................... 100 100/10,000

297–97–2 Thionazin ........................................................................................................................ 100 500

298–00–0 Parathion-Methyl ............................................................................................................. c 100 100/10,000

298–02–2 Phorate ........................................................................................................................... 10 10

298–04–4 Disulfoton ........................................................................................................................ 1 500

300–62–9 Amphetamine .................................................................................................................. 1,000 1,000

302–01–2 Hydrazine ........................................................................................................................ 1 1,000
Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20487

APPENDIX B TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[CAS Number Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

309–00–2 Aldrin ............................................................................................................................... 1 500/10,000

315–18–4 Mexacarbate ................................................................................................................... 1,000 500/10,000

316–42–7 Emetine, Dihydrochloride ................................................................................................ h 1 1/10,000

327–98–0 Trichloronate ................................................................................................................... k 500 500

353–42–4 Boron Trifluoride Compound With Methyl Ether (1:1) .................................................... 1,000 1,000

359–06–8 Fluoroacetyl Chloride ...................................................................................................... c 10 10

371–62–0 Ethylene Fluorohydrin ..................................................................................................... c, h 10 10

379–79–3 Ergotamine Tartrate ........................................................................................................ 500 500/10,000

465–73–6 Isodrin ............................................................................................................................. 1 100/10,000

470–90–6 Chlorfenvinfos ................................................................................................................. 500 500

502–39–6 Methylmercuric Dicyanamide .......................................................................................... 500 500/10,000

504–24–5 Pyridine, 4-Amino- .......................................................................................................... h 1,000 500/10,000

505–60–2 Mustard Gas ................................................................................................................... h 500 500

506–61–6 Potassium Silver Cyanide ............................................................................................... b 1 500

506–68–3 Cyanogen Bromide ......................................................................................................... 1,000 500/10,000

506–78–5 Cyanogen Iodide ............................................................................................................. 1,000 1,000/10,000

509–14–8 Tetranitromethane ........................................................................................................... 10 500

514–73–8 Dithiazanine Iodide ......................................................................................................... 500 500/10,000

534–07–6 Bis(Chloromethyl) Ketone ............................................................................................... 10 10/10,000

534–52–1 Dinitrocresol .................................................................................................................... 10 10/10,000

535–89–7 Crimidine ......................................................................................................................... 100 100/10,000

538–07–8 Ethylbis(2-Chloroethyl)Amine ......................................................................................... h 500 500

541–25–3 Lewisite ........................................................................................................................... c, h 10 10

541–53–7 Dithiobiuret ...................................................................................................................... 100 100/10,000

542–76–7 Propionitrile, 3-Chloro- .................................................................................................... 1,000 1,000

542–88–1 Chloromethyl Ether ......................................................................................................... h 10 100

542–90–5 Ethylthiocyanate .............................................................................................................. 10,000 10,000

555–77–1 Tris(2-Chloroethyl)Amine ................................................................................................ h 100 100

556–61–6 Methyl Isothiocyanate ..................................................................................................... b 500 500

556–64–9 Methyl Thiocyanate ......................................................................................................... 10,000 10,000

558–25–8 Methanesulfonyl Fluoride ................................................................................................ 1,000 1,000

563–12–2 Ethion .............................................................................................................................. 10 1,000

563–41–7 Semicarbazide Hydrochloride ......................................................................................... 1,000 1,000/10,000

584–84–9 Toluene 2,4-Diisocyanate ............................................................................................... 100 500

594–42–3 Perchloromethylmercaptan ............................................................................................. 100 500

597–64–8 Tetraethyltin .................................................................................................................... c 100 100

614–78–8 Thiourea, (2-Methylphenyl)- ............................................................................................ 500 500/10,000

624–83–9 Methyl Isocyanate ........................................................................................................... 10 500

627–11–2 Chloroethyl Chloroformate .............................................................................................. 1,000 1,000

630–60–4 Ouabain .......................................................................................................................... c 100 100/10,000

639–58–7 Triphenyltin Chloride ....................................................................................................... 500 500/10,000

640–19–7 Fluoroacetamide ............................................................................................................. j 100 100/10,000

644–64–4 Dimetilan ......................................................................................................................... d 1 500/10,000

675–14–9 Cyanuric Fluoride ............................................................................................................ 100 100

676–97–1 Methyl Phosphonic Dichloride ........................................................................................ b 100 100

696–28–6 Phenyl Dichloroarsine ..................................................................................................... h 1 500

732–11–6 Phosmet .......................................................................................................................... 10 10/10,000

760–93–0 Methacrylic Anhydride .................................................................................................... 500 500

786–19–6 Carbophenothion ............................................................................................................ 500 500

814–49–3 Diethyl Chlorophosphate ................................................................................................ h 500 500

814–68–6 Acrylyl Chloride ............................................................................................................... h 100 100

824–11–3 Trimethylolpropane Phosphite ........................................................................................ h 100 100/10,000

900–95–8 Stannane, Acetoxytriphenyl- ........................................................................................... g 500 500/10,000

919–86–8 Demeton-S-Methyl .......................................................................................................... 500 500

920–46–7 Methacryloyl Chloride ..................................................................................................... 100 100

944–22–9 Fonofos ........................................................................................................................... 500 500

947–02–4 Phosfolan ........................................................................................................................ 100 100/10,000

950–10–7 Mephosfolan ................................................................................................................... 500 500

950–37–8 Methidathion ................................................................................................................... 500 500/10,000

991–42–4 Norbormide ..................................................................................................................... 100 100/10,000

998–30–1 Triethoxysilane ................................................................................................................ 500 500

999–81–5 Chlormequat Chloride ..................................................................................................... h 100 100/10,000

1031–47–6 Triamiphos ...................................................................................................................... 500 500/10,000

1066–45–1 Trimethyltin Chloride ....................................................................................................... 500 500/10,000

1122–60–7 Nitrocyclohexane ............................................................................................................ 500 500

1124–33–0 Pyridine, 4-Nitro-,1-Oxide ............................................................................................... 500 500/10,000

1129–41–5 Metolcarb ........................................................................................................................ d 1 100/10,000

1303–28–2 Arsenic Pentoxide ........................................................................................................... 1 100/10,000
20488 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

APPENDIX B TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[CAS Number Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

1306–19–0 Cadmium Oxide .............................................................................................................. 100 100/10,000

1314–62–1 Vanadium Pentoxide ....................................................................................................... 1,000 100/10,000

1314–84–7 Zinc Phosphide ............................................................................................................... b 100 500

1327–53–3 Arsenous Oxide .............................................................................................................. h 1 100/10,000

1397–94–0 Antimycin A ..................................................................................................................... c 1,000 1,000/10,000

1420–07–1 Dinoterb .......................................................................................................................... 500 500/10,000

1464–53–5 Diepoxybutane ................................................................................................................ 10 500

1558–25–4 Trichloro(Chloromethyl)Silane ........................................................................................ 100 100

1563–66–2 Carbofuran ...................................................................................................................... 10 10/10,000

1600–27–7 Mercuric Acetate ............................................................................................................. 500 500/10,000

1622–32–8 Ethanesulfonyl Chloride, 2-Chloro- ................................................................................. 500 500

1752–30–3 Acetone Thiosemicarbazide ........................................................................................... 1,000 1,000/10,000

1910–42–5 Paraquat Dichloride ........................................................................................................ 10 10/10,000

1982–47–4 Chloroxuron .................................................................................................................... 500 500/10,000

2001–95–8 Valinomycin ..................................................................................................................... c 1,000 1,000/10,000

2032–65–7 Methiocarb ...................................................................................................................... 10 500/10,000

2074–50–2 Paraquat Methosulfate .................................................................................................... 10 10/10,000

2097–19–0 Phenylsilatrane ............................................................................................................... h 100 100/10,000

2104–64–5 EPN ................................................................................................................................. 100 100/10,000

2223–93–0 Cadmium Stearate .......................................................................................................... c 1,000 1,000/10,000

2231–57–4 Thiocarbazide ................................................................................................................. 1,000 1,000/10,000

2238–07–5 Diglycidyl Ether ............................................................................................................... 1,000 1,000

2275–18–5 Prothoate ........................................................................................................................ 100 100/10,000

2497–07–6 Oxydisulfoton .................................................................................................................. h 500 500

2524–03–0 Dimethyl Phosphorochloridothioate ................................................................................ 500 500

2540–82–1 Formothion ...................................................................................................................... 100 100

2570–26–5 Pentadecylamine ............................................................................................................ 100 100/10,000

2587–90–8 Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester ................................ c, g 500 500

2631–37–0 Promecarb ...................................................................................................................... d, h 1 500/10,000

2636–26–2 Cyanophos ...................................................................................................................... 1,000 1,000

2642–71–9 Azinphos-Ethyl ................................................................................................................ 100 100/10,000

2665–30–7 Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester ............................... 500 500

2703–13–1 Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio)Phenyl) Ester ....................... 500 500

2757–18–8 Thallous Malonate .......................................................................................................... c, h 100 100/10,000

2763–96–4 Muscimol ......................................................................................................................... 1,000 500/10,000

2778–04–3 Endothion ........................................................................................................................ 500 500/10,000

3037–72–7 Silane, (4-Aminobutyl)Diethoxymethyl- ........................................................................... 1,000 1,000

3254–63–5 Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester .................................................. 500 500

3569–57–1 Sulfoxide, 3-Chloropropyl Octyl ...................................................................................... 500 500

3615–21–2 Benzimidazole, 4,5-Dichloro-2-(Trifluoromethyl)- ........................................................... g 500 500/10,000

3689–24–5 Sulfotep ........................................................................................................................... 100 500

3691–35–8 Chlorophacinone ............................................................................................................. 100 100/10,000

3734–97–2 Amiton Oxalate ............................................................................................................... 100 100/10,000

3735–23–7 Methyl Phenkapton ......................................................................................................... 500 500

3878–19–1 Fuberidazole ................................................................................................................... 100 100/10,000

4044–65–9 Bitoscanate ..................................................................................................................... 500 500/10,000

4098–71–9 Isophorone Diisocyanate ................................................................................................ 100 100

4104–14–7 Phosacetim ..................................................................................................................... 100 100/10,000

4170–30–3 Crotonaldehyde ............................................................................................................... 100 1,000

4301–50–2 Fluenetil .......................................................................................................................... 100 100/10,000

4418–66–0 Phenol, 2,2’-Thiobis(4-Chloro-6-Methyl)- ........................................................................ 100 100/10,000

4835–11–4 Hexamethylenediamine, N,N’-Dibutyl- ............................................................................ 500 500

5344–82–1 Thiourea, (2-Chlorophenyl)- ............................................................................................ 100 100/10,000

5836–29–3 Coumatetralyl .................................................................................................................. 500 500/10,000

6533–73–9 Thallous Carbonate ........................................................................................................ c, h 100 100/10,000

6923–22–4 Monocrotophos ............................................................................................................... 10 10/10,000

7446–09–5 Sulfur Dioxide ................................................................................................................. l 500 500

7446–11–9 Sulfur Trioxide ................................................................................................................. b 100 100

7446–18–6 Thallous Sulfate .............................................................................................................. 100 100/10,000

7487–94–7 Mercuric Chloride ............................................................................................................ 500 500/10,000

7550–45–0 Titanium Tetrachloride .................................................................................................... 1,000 100

7580–67–8 Lithium Hydride ............................................................................................................... b 100 100

7631–89–2 Sodium Arsenate ............................................................................................................ 1 1,000/10,000

7637–07–2 Boron Trifluoride ............................................................................................................. 500 500

7647–01–0 Hydrogen Chloride (gas only) ......................................................................................... l 5,000 500

7664–39–3 Hydrogen Fluoride .......................................................................................................... 100 100

7664–41–7 Ammonia ......................................................................................................................... l 100 500

7664–93–9 Sulfuric Acid .................................................................................................................... 1,000 1,000
Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations 20489

APPENDIX B TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[CAS Number Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

7697–37–2 Nitric Acid ........................................................................................................................ 1,000 1,000

7719–12–2 Phosphorus Trichloride ................................................................................................... 1,000 1,000

7722–84–1 Hydrogen Peroxide (Conc > 52%) ................................................................................. l 1,000 1,000

7723–14–0 Phosphorus ..................................................................................................................... b, h 1 100

7726–95–6 Bromine ........................................................................................................................... l 500 500

7778–44–1 Calcium Arsenate ........................................................................................................... 1 500/10,000

7782–41–4 Fluorine ........................................................................................................................... k 10 500

7782–50–5 Chlorine ........................................................................................................................... 10 100

7783–00–8 Selenious Acid ................................................................................................................ 10 1,000/10,000

7783–06–4 Hydrogen Sulfide ............................................................................................................ l 100 500

7783–07–5 Hydrogen Selenide ......................................................................................................... 10 10

7783–60–0 Sulfur Tetrafluoride ......................................................................................................... 100 100

7783–70–2 Antimony Pentafluoride ................................................................................................... 500 500

7783–80–4 Tellurium Hexafluoride .................................................................................................... k 100 100

7784–34–1 Arsenous Trichloride ....................................................................................................... 1 500

7784–42–1 Arsine .............................................................................................................................. 100 100

7784–46–5 Sodium Arsenite ............................................................................................................. 1 500/10,000

7786–34–7 Mevinphos ....................................................................................................................... 10 500

7791–12–0 Thallous Chloride ............................................................................................................ c, h 100 100/10,000

7791–23–3 Selenium Oxychloride ..................................................................................................... 500 500

7803–51–2 Phosphine ....................................................................................................................... 100 500

8001–35–2 Camphechlor ................................................................................................................... 1 500/10,000

8065–48–3 Demeton ......................................................................................................................... 500 500

10025–73–7 Chromic Chloride ............................................................................................................ 1 1/10,000

10025–87–3 Phosphorus Oxychloride ................................................................................................. 1,000 500

10026–13–8 Phosphorus Pentachloride .............................................................................................. b 500 500

10028–15–6 Ozone ............................................................................................................................. 100 100

10031–59–1 Thallium Sulfate .............................................................................................................. h 100 100/10,000

10102–18–8 Sodium Selenite .............................................................................................................. h 100 100/10,000

10102–20–2 Sodium Tellurite .............................................................................................................. 500 500/10,000

10102–43–9 Nitric Oxide ..................................................................................................................... c 10 100

10102–44–0 Nitrogen Dioxide ............................................................................................................. 10 100

10124–50–2 Potassium Arsenite ......................................................................................................... 1 500/10,000

10140–87–1 Ethanol, 1,2-Dichloro-, Acetate ....................................................................................... 1,000 1,000

10210–68–1 Cobalt Carbonyl .............................................................................................................. h 10 10/10,000

10265–92–6 Methamidophos .............................................................................................................. 100 100/10,000

10294–34–5 Boron Trichloride ............................................................................................................ 500 500

10311–84–9 Dialifor ............................................................................................................................. 100 100/10,000

10476–95–6 Methacrolein Diacetate ................................................................................................... 1,000 1,000

12002–03–8 Paris Green ..................................................................................................................... 1 500/10,000

12108–13–3 Manganese, Tricarbonyl Methylcyclopentadienyl ........................................................... h 100 100

13071–79–9 Terbufosh ........................................................................................................................ h 100 100

13171–21–6 Phosphamidon ................................................................................................................ 100 100

13194–48–4 Ethoprophos .................................................................................................................... 1,000 1,000

13410–01–0 Sodium Selenate ............................................................................................................ 100 100/10,000

13450–90–3 Gallium Trichloride .......................................................................................................... 500 500/10,000

13463–39–3 Nickel Carbonyl ............................................................................................................... 10 1

13463–40–6 Iron, Pentacarbonyl- ....................................................................................................... 100 100

14167–18–1 Salcomine ....................................................................................................................... 500 500/10,000

15271–41–7 Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-

((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))-.

500 500/10,000

16752–77–5 Methomyl ........................................................................................................................ h 100 500/10,000

17702–41–9 Decaborane(14) .............................................................................................................. 500 500/10,000

17702–57–7 Formparanated ............................................................................................................... d 1 100/10,000

19287–45–7 Diborane ......................................................................................................................... 100 100

19624–22–7 Pentaborane ................................................................................................................... 500 500

20830–75–5 Digoxin ............................................................................................................................ h 10 10/10,000

20859–73–8 Aluminum Phosphide ...................................................................................................... b 100 500

21548–32–3 Fosthietan ....................................................................................................................... 500 500

21609–90–5 Leptophos ....................................................................................................................... 500 500/10,000

21908–53–2 Mercuric Oxide ................................................................................................................ 500 500/10,000

21923–23–9 Chlorthiophos .................................................................................................................. h 500 500

22224–92–6 Fenamiphos .................................................................................................................... 10 10/10,000

23135–22–0 Oxamyl ............................................................................................................................ d 1 100/10,000

23422–53–9 Formetanate Hydrochloride ............................................................................................ d, h 1 500/10,000

23505–41–1 Pirimifos-Ethyl ................................................................................................................. 1,000 1,000

24017–47–8 Triazofos ......................................................................................................................... 500 500

24934–91–6 Chlormephos ................................................................................................................... 500 500
20490 Federal Register / Vol. 61, No. 89 / Tuesday, May 7, 1996 / Rules and Regulations

APPENDIX B TO PART 355—THE LIST OF EXTREMELY HAZARDOUS SUBSTANCES AND THEIR THRESHOLD PLANNING

QUANTITIES—Continued

[CAS Number Order]

CAS No. Chemical name Notes

Reportable

quantity *

(pounds)

Threshold planning quantity

(pounds)

26419–73–8 Carbamic Acid, Methyl-, O-(((2,4-Dimethyl-1, 3-Dithiolan-2-yl)Methylene)Amino)- ....... d 1 100/10,000

26628–22–8 Sodium Azide (Na(N3)) ................................................................................................... b 1,000 500

27137–85–5 Trichloro(Dichlorophenyl)Silane ...................................................................................... 500 500

28347–13–9 Xylylene Dichloride ......................................................................................................... 100 100/10,000

28772–56–7 Bromadiolone .................................................................................................................. 100 100/10,000

30674–80–7 Methacryloyloxyethyl Isocyanateh .................................................................................. 100 100

39196–18–4 Thiofanox ........................................................................................................................ 100 100/10,000

50782–69–9 Phosphonothioic Acid, Methyl-, S-(2-(Bis(1-Methylethyl)Amino)Ethyl) O-Ethyl Ester .... 100 100

53558–25–1 Pyriminil .......................................................................................................................... h 100 100/10,000

58270–08–9 Zinc, Dichloro(4,4-Dimethyl-5((((Methylamino) Carbonyl)Oxy)Imino)Pentanenitrile)-,

(T–4)-.

100 100/10,000

62207–76–5 Cobalt, ((2,2’-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato)) (2-)-

N,N’,O,O’)-.

100 100/10,000

*Only the statutory or final RQ is shown. For more information, see 40 CFR Table 302.4.

NOTES:

a. This chemical does not meet acute toxicity criteria. Its TPQ is set at 10,000 pounds.

b. This material is a reactive solid. The TPQ does not default to 10,000 pounds for non-powder, non-molten, non-solution form.

c. The calculated TPQ changed after technical review as described in the technical support document.

d. Indicates that the RQ is subject to change when the assessment of potential carcinogenicity and/or other toxicity is completed.

e. Statutory reportable quantity for purposes of notification under SARA sect 304(a)(2).

f. [Reserved]

g. New chemicals added that were not part of the original list of 402 substances.

h. Revised TPQ based on new or re-evaluated toxicity data.

j. TPQ is revised to its calculated value and does not change due to technical review as in proposed rule.

k. The TPQ was revised after proposal due to calculation error.

l. Chemicals on the original list that do not meet toxicity criteria but because of their high production volume and recognized toxicity are considered chemicals of concern (‘‘Other chemicals’’).

[FR Doc. 96–11209 Filed 5–6–96; 8:45 am]

BILLING CODE 6560–50–P

FEDERAL COMMUNICATIONS

COMMISSION

47 CFR Part 73

[MM Docket No. 94–61; RM–8464]

Radio Broadcasting Services;

Garberville and Hydesville, CA

AGENCY: Federal Communications

Commission.

ACTION: Final rule.

SUMMARY: This document allots Channel

231C1 to Hydesville, California. This

document also dismisses a proposal by

Brett E. Miller to reallot Channel 279C1

from Garberville, California, to

Hydesville, California. See 59 FR 35081,

July 8, 1996. The reference coordinates

for Channel 231C1 are 40–27–58 and

124–04–28. With this action, the

proceeding is terminated.

DATES: Effective June 14, 1996. The

window period for filing applications

will open on June 14, 1996, and close

on July 15, 1996.

FOR FURTHER INFORMATION CONTACT:

Robert Hayne, Mass Media Bureau,

(202) 418–2177.

SUPPLEMENTARY INFORMATION: This is a

synopsis of the Commission’s Report

and Order in MM Docket No. 94–61,

adopted April 16, 1996, and released

April 30, 1996. The full text of this

Commission decision is available for

inspection and copying during normal

business hours in the FCC Reference

Center (Room 239), 1919 M Street, NW.,

Washington, DC. The complete text of

this decision may also be purchased

from the Commission’s copy contractor,

International Transcription Service,

Inc., (202) 857–3800, 1919 M Street,

NW., Room 246, or 2100 M Street, NW.,

Suite 140, Washington, DC 20037.

List of Subjects in 47 CFR Part 73

Radio broadcasting.

Part 73 of title 47 of the Code of

Federal Regulations is amended as

follows:

PART 73—[AMENDED]

1. The authority citation for part 73

continues to read as follows:

Authority: Secs. 303, 48 Stat., as amended,

1082; 47 U.S.C. 154, as amended.

§ 73.202 [Amended]

2. Section 73.202(b), the Table of FM

Allotments under California, is

amended by adding Hydesville, Channel

231C1.

Federal Communications Commission.

John A Karousos,

Chief, Allocations Branch, Policy and Rules

Division, Mass Media Bureau.

[FR Doc. 96–11325 Filed 5–6–96; 8:45 am]

BILLING CODE 6712–01–F

47 CFR Part 73

[MM Docket No. 91–137, RM–7494]

Radio Broadcasting Services; Saltville,

VA and Jefferson, NC

AGENCY: Federal Communications

Commission.

ACTION: Final rule; denial of

reconsideration.

SUMMARY: The Chief, Policy and Rules

Division denied the petition for

reconsideration, filed by Smith

Communications, Inc., of the Report and

Order in this proceeding, 56 FR 23260,

published May 21, 1991. The Chief also

affirmed the Report and Order and its

use of the Commission’s standard

propagation prediction methodology.

The Report and Order had granted the

petition (RM–7494) of 106.1, Inc. to

upgrade the construction permit at

Saltville from Channel 291A to Channel

291C3, to reallot it to Jefferson, and to

modify its permit to specify Jefferson as

the new community of license. With