p.1 

OAR Box 1170 

Prepped by Ollie Stewart 

Document Number: 

185) F. R. November 14, 1990 

Docket Number: 

A-88-24 

Printed 4/30/2008 1:48:38 PM Sheet 185 of 188 
P.2 

.^Federal Kejpster/.Vol. 55; No;220/,! Wednesday, November 14, #990 / Rules-and Regulations MMTl^' 

^-••~.t£,-i- -• • 

ADDRESSES: Comments should be 

mailed to Commanding Officer, Coast 

Guard Marine Safety Office, 155 

Columbia Drive, Tampa, Florida 33606-

3598. The comments will be available 

for inspection and copying at Coast 

Guard Marine Safety Office, 155 

Columbia Drive, Tampa, Florida 33606-

3598. Normal office hours are between 

7:30 a.m. and 4 p.m., Monday and -

Friday, except holidays. 

FQR FURTMEB .E.FOC.C.I.OT10W CONTACT: 

LT S.P. Metruck, Coast Guard Marine -

Safety Office, Tampa. FL at (813) 228-

2189. . - -•• 

SUPPLEMEMTARV INFORMATION: In 

accordance with 5 U.S.C. 553, a notice of 

proposed rulemaking was not published 

for this regulation and good cause exists 

for making it effective in less than 30 

days after Federal Register publication. 

Following normal rulemaking 

procedures would have been contrary to 

the public interest since immediate 

action is required to prevent damage to 

deep draft vessels and the possible 

environmental harm caused by pollution 

from the damage. 

Although this regulation is published 

as a final rule without prior notice, an 

opportunity for public comment is 

nevertheless desirable to ensure that the 

regulation is both reasonable and 

workable. Accordingly, persons wishing 

to comment may do so by submitting 

written comments to the office listed 

under "ADDRESSES" in the preamble. 

Commenters should include their names 

and addresses, identify the docket 

number for the regulations, and give 

reasons for their comments. Based upon 

comments received, the regulations may 

be changed. 

Drafting Information 

The drafters of this regulation are 

Lieutenant S.P. Metruck, project officer, 

for the Captain of the Port and 

Lieutenant G. Tanos, project attorney, 

Seventh Coast Guard District Legal 

Office. 

Discussion of Regulation 

This regulation is required due to the 

silting in of the Cut "G" Channel. This 

condition has reduced the usable 

channel width from a project width of 

400 feet to 200 feet A U.S. Army Corps 

of Engineers survey of the cut, 

completed on May 18,1990, and a 

meeting with the Tampa Bay Pilots and 

interested Cut "G" users, on May 21, 

1990, have demonstrated the need for 

these restrictions. Concern that a 

grounding or collision could result in 

damage to vessels and result in the 

release of oil or chemicals in an 

environmentally sensitive area makes 

immediate action necessary. An 

emergency rule was signed on August 

17,1990 effective until October 31,1990 

with the same restrictions, however, the 

U.S. Army Corps of Engineers has 

revised their schedule to dredge Cut "G" 

and now estimates the completion of the 

dredging on December 31,1991 making 

this rule necessary. ' 

This regulation is issued pursuant to 

33 U.S.C. 1225 and 1231 as set out in the 

authority citation for all of part 165.'; 

Federalism 

This action has been analyzed in 

accordance with the principles and 

criteria contained in Executive Order 

12612, and it has been determined that 

this rulemaking does not have sufficient 

Federalism implications to warrant the 

preparation of a Federalism 

Assessment. 

Economic Assessment and Certification 

These regulations are considered to 

be non-major under Executive Order 

12291 on Federal Regulation and 

nonsignificant under Department of 

Transportation regulatory policies and 

procedures (44 FR 11034; February 26, 

1979). 

The economic impact has been found , 

to be so minimal that a full regulatory 

evaluation is unnecessary. The 

regulation should have little economic 

impact due to the low commercial traffic 

load in Cut "G" Channel,"Tampa Bay, 

Florida. Vessels affected include tank 

and freight vessels calling on Port 

Tampa and a Florida Power Corporation 

power plant. An emergency rule; COTP 

Tampa, FL Regulation 90-55; has been in 

effect since August 17,1990 because of 

the immediate hazards involved with 

the shoaling requiring vessels transiting 

the channel to observe the draft 

restrictions as of that date. . 

Since the economic impact of these 

regulations is expected to be minimal, 

the Coast Guard certifies that they will 

not have a significant economic impact 

on a substantial number of small 

entities. .'. , 

List of Subjects in 33 CFR Part 165 

Harbors, Marine safety, Navigation 

(water). Security measures, Vessels, 

Waterways. 

Final Regulation 

In consideration of the foregoing; part 

165 of title 33, Code of Federal 

Regulations, is amended as follows: 

1. The authority citation for part 165 

continues to read as follows: 

Authority: 33 U.S.C. 1225 and 1231; 50 

U.S.C. 191; 49 CFR 1.46 and 33 CFR 1.05-l{g), 

6.04-1, 6.04-6, and 160.5. 

2. Anew. . 185.702 is added to read.W^ 

follows: .-...••.._.'". 

§ 165.702 . Satety sons: Cut "G" Channel ' 

Tampa Bay, Florida. 

(a) Location: The.folio wing is a safety 

zone: Cut "G" Channel Tampa, Florida. 

(b) Effective date: this regulation V 

becomes effective on November 1,1990. 

It terminates on December 31,1991 

unless terminated earlier because of 

channel dredging project progress.' .. . 

(c) Regulations: In accordance.with 

the general regulations in § 165.23 of this 

part: . ' .y .'. "..,--

(1) Vessels restricted to the channel 

by their draft may not meet or pass at 

any point in Cut "G" Channel. 

(2) Vessels with a draft of 29 feet or . 

greater shall transit Cut "G" at a slow 

speed and with a minimum of two tug 

boats, of sufficient size to control the 

vessel's movement, made up to it. 

(3) Vessels with a draft of 31 feet 9 

inches may transit Cut "G" when the 

height of tide is at or above mean low 

water. 

(4) Vessels with drafts greater than 31 

feet 9 inches but less than 33 feet may 

transit Cut "G" when the height of tide 

plus 31 feet 9 inches is greater than or 

equal to their draft. 

(5) Vessels with a draft greater than 

33 feet may not transit Tampa Channel 

Cut "G" under any condition. 

Dated: November 1,1990. 

MJ. Schiro, 

Captain, U.S. Coast Guard, Captain ofthe 

Port. Tampa, Florida. 

[FR Doc. 90-26718 Filed 11-13-90; 8:45 am] 

BILUMQ COOE 4910-14-M 

ENVIRONMENTAL PROTECTION 

AGENCY 

40 CFR Part 60 

[AD-FRL-3848-2] 

ty 

Standards oi Performance for New 

Stationary Sources; Test Methods (n 

Appendix A and Performance • 

Specifications In Appendix B; 

Technical Amendment 

AGENCV: Environmental Protection 

Agency (EPA). . , ' 

ACTION: Final rule; technical 

amendment. -

SUMMARY: The EPA is correcting errors 

in the test methods and performance 

specifications (PS's) in appendices A 

and B of 40 CFR part 60 as they appear 

in the Code of Federal Regulations. 

DATES: Effective date. November 14, 

1990. 
P.3 

'47472 yFederal Register /Vol . 55;r-No. 220 /: Wednesday , Novembe r 14, 1990 /Rule s an d Regulations 

i 

FOR FURTHER INFORMATION CONTACT: 

Candace Sorrell at (919) 541-1064. 

SUPPLEMENTARY INFORMATION: The 

Code of Federal Regulations for 40 CFR 

part 60, revised as of July 1,4s published 

each year. Errors in the test methods 

and PS's that have been overlodked over 

the years are corrected by this action. In 

addition, some minor editorial revisions 

are made. 

The Agency feels the notice and 

comment period are unnecessary for 

these changes. The changes made by 

this notice correct minor technical and 

editorial corrections. The changes do not 

affect the stringency, applicability, 

burden of compliance, or compliance 

costs of the tests methods or 

performance specifications. 

Dated: September 25,1990. 

Michael Shapiro, 

Acting Assistant Administrator of Air and •• 

Radiation. 

List of Subjects in 40 CFR Part 60 

Air pollution control. 

As set forth in the preamble, 40 CFR 

chapter I, part 60 is amended as set forth 

below. 

PART 60—[AMENDED] 

1. The authority citation for part 60 

continues to read as follows: 

Authority: 42 U.S.C. 7401, 7411, 7414, 7416, 

and 7601. •——-

Appendix A—[Amended] 

Appendix A, Method 2 [Amended] 

2. Appendix A, Method 2 is amended 

as follows: 

a. Figure 2-3, title, by revising the terms 

"al", a2", "/31", "/82" to read as "ai", 

"a_", "PA, and "Pi", respectively. 

b. By revising the words "Section 6" to read 

"Bibliography" in the following sections: 

1. Figures 2-3, title. 

2. Section 2.2, first paragraph, last 

sentence. 

3. Section 2.7, third sentence. 

4. Section 2.8, last sentence. 

5. Section 4.1.1, second sentence. 

6. Section 4.1:2.3, last sentence. 

7. Section 4.1.5.1.3, first sentence. 

8. Section 4.1.6.1.2, second and last 

sentences. 

c. Section 2.3, third sentence after the 

section heading 'Temperature Gauge.", by 

revising the word "Alternate to read 

"Alternative". 

d. Section 2.7, the section heading is 

amended by revising the word "Pilot" to read 

"Pitot". 

Appendix A, Method 2A [Amended] 

3. Appendix A, Method 2A is 

amended as follows: 

a. Section 4.1, second paragraph, first 

sentence, by revising the word 

"Alternately" to read "alternatively". 

b. Section 6, by revising the 

bibliography citation numbers "6.1", 

"6.2", and "6.3" to read "1." , "2.", and 

"3.", respectively. 

Appendix A, Method 2B [Amended] 

4. Appendix A, Method 2B is amended 

as follows: 

a. By revising "ppmv" to read "ppm" 

in the following places: 

(1) Section 4.1, under the terms "COe", 

"CO_e". "HC.",."HC,':. and "300" 

(2) Section 4.2, last sentence. 

Appendix A, Method 4 [Amended] 

5. Appendix A, Method 4 is as follows: 

a. Section 1.2, Note, last sentence, by 

revising the word "alternate" to read 

"alternative". 

Appendix A, Method 5 [Amended] 

6. Appendix A, Method 5 is amended 

as follows: 

. a. Section 3.1.1, last sentence, by 

removing the word "Section 7". 

b. Section 3.1.3,-first sentence after the 

heading "water", by adding the word 

"deionized" between the words 

"required," and "distilled" to read 

". . . required, deionized distilled . . .". 

c. Section 6.1, sixth term, L,, by 

revising the figure "0.0057" to read 

"0.00057" 

Appendix A, Method 5A [Amended] 

7. Appendix A, Method 5A is 

amended as follows: 

a. Section 6.10, by adding the words 

"Same as in" to the beginning of the 

second sentence. 

b. By revising Section 7 to read as 

follows: 

Appendix A, Method 5A [Amended] 

7. Bibliography 

The bibliography for Method 5A is the 

same as that for Method 5. 

Appendix A, Method SD [Amended] 

8. Appendix A, Method 5D is 

amended as follows: 

a. Section 7, by removing the comma 

and the words "Section 7". 

Appendix A, Method 5E [Amended] 

9. Appendix A, Method 5E is amended 

as follows: 

a. By removing the word "Reference" 

in the following places: 

(1) Section 2.1. 

(2) Section 2.1.1. 

(3) Section 2.1.2. 

(4) Section 2.2. 

(5) Section 2.3. 

(6) Section 3.2. 

(7) Section 3.3. 

(8) Section 4.1. 

(9) Section 4.1.2. 

(10) Section 4.2, second paragraph, 

last sentence. 

(11) Section 4.2, under Container No; 

1. 

(12) Section 4.2, under Container No. 

2. 

(13) Section 4.2, under Container No. 

3. • 

(14) Section 4.2, under Container No. 

4. 

(15) Section 4.2, under Container No. 

5. . -

(16) Section 4.3 first paragraph. 

(17) Section 4.3, under Container No. 

1. 

(18) Section 4.3, under Container Nos. 

2 and 3. 

(19) Section 4.3, under Container No. 

4. ;. . , .-,•... 

(20) Section 4.3, under "Water and 

Acetone Blank" Containers. 

121) Section 5. 

(22) Section 6, first paragraph. 

(23) Section 6.2, nomenclature, last 

term, Vm(5td). 

(24) Section 6.3, nomenclature, last 

term, C,. 

b. Section 7, by removing the words 

"Section 8 of Reference" and by revising 

.the bibliography citation number "7.1" 

to read "1." . 

Appendix A, Method 6 [Amended] , 

10. Appendix A, Method 6 is amended 

as follows: 

a. Section 2.1.1, first sentence after the 

heading "Probe", by revising the word 

"outstack" to read "out-stack" 

b. Section 4.1.3, fifth sentence after the 

heading "Sample collection", by adding 

a comma between the words "outlet" 

and "and" to read " * * * outlet, 

and 

c. Section 5.1.1, second paragraph, by 

adding the words "of the drying tube" to 

the end of the first sentence. 

d. Section 7.2.2, second paragraph, 

Second sentence, by revising the words 

" a outlet" to read "an outlet". 

e. Section 7.2.3.4, paragraph above. 

Equation 6-7, by revising the word 

"staturated" to read "saturated". 

Appendix A, Method 6A [Amended] 

11. Appendix A, Method 6A is 

amended as follows: 

a. Section 4.1.1, first sentence, 

paragraph 3, by revising the word 

"paragraph" to read "section". 

b. Section 8, by revising the 

bibliography citation number "8.1", 

"8.2", and "8.3" to read "1." , "2.", and 

"3.", respectively. 

Appendix A. Method 6B [Amended] 

12. Appendix A, Method 6B is 

amended as follows: 
P.4 

r.Federal Register /,VoL 55,-;tio..220j/;:Wednesday,;.Noyember,<14,'/1990 ARules^djRegulations $[47473 * 

a. Section 2, paragraph 3, last 

sentence, by adding a comma after the 

number "20" to read "20,". 

b. Section 3. fourth sentence, by 

revising "5A" to read "5A". 

c. Section 8, by removing "section 7" 

and by revising the bibliography citation 

number "8.1" to read "1." . 

Appendix A, Method 7.[Amended] 

13. Appendix A, Method 7 is amended 

a s follows: .---.'..-. .•.. - •-.••.;,..-. •._„••. .. ,; _• 

a. Sections 6.2 and 6.3 are revised to: 

read as follows: , 

6.2 Sample Volume, Dry Basis,.: 

Corrected to Standard Conditions. < 

VK= (T^/P^lfV, -VJ^/T.-P.'/T,) 

=K> (V, -25 ml)(Pf/Tf- P./TJ i: Eq. 7-2 

Where: .-..,. -

Ki = 0.3858'K/mm Hg for metric units 

=17.64 *R/in. Hg for English units: 

6.3 Total jig NO. Per Sample. 

m=2K_AF Eq. 7-3 

Note: If other than a 25-ml aliquot is used 

for analysis, the factor 2 must be replaced by 

a corresponding factor. 

Appendix A, Method 9 [Amended] 

14. Appendix A Method 9 is amended 

as follows: 

a. By revising the word "paragraph" to 

read "section" in the following sections: 

1. Section 2, first paragraph 

2. Section 3.1, first paragraph after the 

heading "Certification and Testing", 

Second sentence and twice in the 

third sentence. 

3. Section 3.3, first and fourth 

. sentences. 

b. Table 9-1 of Section 3.3., under 

entry b., by revising the words 

"reference 4.3" to read "Citation 3". 

c. Section 4, by revising the heading 

"References" to read "Bibliography" 

and by revising the bibliography citation 

numbers "4.1", "4.2", and "4.3" to read 

"1." , "2.". and "3.", respectively. 

Appendix A, Method 10 [Amended] 

15. Appendix A Method 10 is 

amended as follows: 

a. Section 9, by removing the words 

"Concentration of carbon monoxide." 

the first time they occur. 

b. Section 11, by revising the 

bibliography citation numbers "ll.l" , 

"11.2", "11.3". "11.4", and "11.5", and 

"11.6" to read "1." , "2.". "3.", "4.". "5.". 

and "6.", respectively. 

Appendix A, Method [Amended] 

18. Appendix A, Method 11 is 

amended as follows: 

a. By revising the word "alternate" to 

read "alternative" in the following 

places: 

(1) Section 6.1.1, last sentence. 

(2) Section 7.2.1, last sentence of Note. 

b. Section 7.1.2, last sentence of note, 

by removing the'word "reference".. -

c. Section 7.2.2 (Alternate), by revising 

the title "(Alternate)" to read 

"(Alternative)". 

d. Section 11, by revising the 

bibliography citation numbers"11.1", , 

"11.2", "11.3". and "11.4" to read "1." , 

"2.", "3.", and"4" , respectively!: 

Appendix A, Method 12 [Amended]: 

17. Appendix A, Method 12 is

 v 

amended as follows: '\ ... 

a. Section 4.1.3, by revising "D1193-

77" to read "D119.W.7". 

. b. Section 5.4.2, last paragraph, first 

sentence, by removing the words 

"Section 9.1" and adding iii their place 

the words "Citation 1 of Bibliography". 

' c. Section 9, by revising the 

bibliography citation numbers "9.1", 

"9.2", "9.3",

 4*9.4". and "9.5" to read "1." , 

"2.", "3.", "4.", and "5.", respectively. 

d. Section 9, last citation, by revising 

the words "Section 7" to read 

"bibliography". 

Appendix A, Method 13B [Amended] 

18. Appendix A, Method 13B is 

amended as follows: 

a. Section 10, by revising the heading 

"References" to read "Bibliography?'. 

b. Section 10, Citation 1,'by revising 

"Section 10" to read "Bibliography". 

Appendix A, Method 15 [Amended] 

19. Appendix A, Method 15 is 

amended as follows: 

a. Section 2.2, by adding the heading 

"Sensitivity." between the section 

number "2.2" and the word "The". 

b. Section 8.5, eighth sentence after 

the heading "Calibration of Dilution 

System.", by revising the word 

"paragraph" to read "section". 

c. Section 9.1, by revising the words 

"paragraph 8.5" to read "section 8.5." 

d. Section 11.3, term \Wm, by removing 

"(36 FR 24887)". 

e. Section 13, by revising the 

bibliography citation numbers "13.1", 

"13.2", "13.3", "13.4", "13.5" and "13.6", 

and to read "1." , "2.". "3.", "4.". "5.". and 

"6.", respectively. 

Appendix A, Method 16 [Amended] 

20. Appendix A Method 16 is 

amended as follows: 

a. Section 4.2, by revising the figure 

"10" to read "5". 

b. Section 5.5, paragraph 2, last 

sentence by revising the word 

"alternate" to read "alternative". 

c. Section 8.5, eighth sentence after 

the heading "Calibration of Dilution 

System.", by revising the word 

"paragraph" to read "section". 

d. Section 9.1. by revising the words 

"paragraph 8.5" to read "section 8.5." 

_.,--__ 

e. Section 11.3, term B^,, last lineTby^ 

removing "(36 FR 24887)". ,' ^ "' 

f. Section 13, by revising the . 

bibliography citation numbers "13.1", ' 

"13.2", "13.3", "13.4", "13.5", and "13.6". 

to read "1." , "2;", "3." , "4.", "5.", and • 

"6.", respectively.; 

Appendix A, Method 17 [Amended] 

21. Appendix A, Method 17 is .. 

amended as follows: •'"' A3 A- ''•'•'' 

a. By revising "Section 7" to read 

"Bibliograpliy" in the following sections: 

1. Section 2;L paragraph 1. .,. . • 

2. Section 2.1, paragraph 2, first . 

sentence. • . -

3. Section 4.1.2, fourth sentence after 

the heading "Preliminary 

Determination." 

4. Section 4.1:5, paragraph 3, last '"• 

sentence. 

5. Section 6.12, third sentence after the 

heading "Acceptable Results." 

b. By adding a new section 3.1.5 after 

section 3.1.4 to read as follows: 

3.1.5 Water. Same as in Method 5, 

Section 3.1.3. 

Appendix A, Method 20 [Amended] 

22. Appendix A, Method 20 is 

amended as follows: 

a. By removing the word "Reference" 

in the following places: 

(1) Section 4.1.6. 

(2) Section 4.2. 

(3) Section 5.1, under (b). . . 

(4) Section 6.3 paragraph 2. 

b.' Section 5.1, under (b), by revising 

the bibliography citation number "8.1" 

to read "1. " 

Appendix A, Method 21 [Amended] 

23. Appendix A, Method 21 is 

amended as follows: 

a. Section 4.4.1, second paragraph, last 

sentence, by revising the words "Section 

5" to read "Bibliography". 

b. Section 5, by revising the 

bibliography citation numbers "5.1", 

"5.2", and "5.3" to read "1." . "2.", and 

"3.", respectively. 

Appendix A, Method 22 [Amended] 

24. Appendix A, Method 22 is 

amended as follows: 

a. Section 1, paragraph 2, last 

sentence, by removing the words 

"References 7.1 and 7.2" and adding in 

their place the words "Citations 1 and 2 

of Bibliography". 

b. Section 7, by revising the heading 

"References" to read "Bibliography''. 

c. Section 7, by revising the 

bibliography citation numbers "7.1" and 

"7.2" to read "1. " and "2.", respectively. 
P.5 

&&747& siFedeiMrvKegister;'/'?Vol. 55.iNo.i220 /?.WednesdayiONovember414;>1990 /aRules and-Regulations 

Appendix A, Method 24A [Amended] 

25. Appendix A, Method 24A is 

amended as follows: 

a. Section 4, by revising the 

bibliography citation numbers "4.1", . 

"4.2". and "4.3" to read "1.", "2.", and 

"3.", respectively. 

Appendix A, Method 25A [Amended] 

26. Appendix X Method 25A is .. 

amendedI as follows: p.AL.^L 

..'. a. Section 4,paragraph 1,second , 

sentence? by removing the words _ 

"Reference 9.2" and adding in their -

place the words "Citation 2 of 

Bibliography". ' J . 

;

b. Section 9, by revising the • 'j 

bibliography citation numbers "9.1", 

"9.2". and "9.3" to read "1.", "2.", and 

"3.", respectively. •"•."•-. •'''•'• :'L 

. Appendix A, Method 25B [Amended] 

27. Appendix A, Method 25B is 

amended as follows: 

a. Section 9, by removing the comma 

and the words "Section 9". 

Appendix B—[Amended] 

Appendix B, Performance Specification 

1 [Amended] 

• 28. Appendix B, Performance 

Specification 1 is amended as follows: 

a. Section 1.1, paragraph (b), by 

revising the word "Paragraphs" to read 

"Sections". 

b. Section 1.1, paragraph (c) by . 

revising the word "Paragraph" to read 

"Section". 

c. By revising the word "alternate" to 

read "alternative" in the following 

places: 

(1) Section 4.3, twice in the third 

sentence. 

d. Section 8.1, by adding at the end of 

Equation 1-2 the following: 

where: 

n=Number of data points. 

x,=Algebraic sum of' the individual 

measurements x{. 

i = l 

e. Section 11, by revising the 

bibliography citation numbers "11.1", 

and "11.2" to read "1." and "2.", 

respectively, 

Appendix B, Performance Specification 

2 [Amended] . 

29. Appendix B, Performance 

Specification 2 is amended as follows: 

a. Section 11, by revising the 

bibliography citation numbers "11.1", 

"li:2"; "il.3", and "11.4" to read "1.", 

"2.", "3.", and "4.". respectively.': 

Appendix B, Performance Specification 

4 [Amended], 

30. Appendix B, Performance' ' . 

Specification 4 is amended as follows: 

a. Section 4, by revising the . •> 

bibliography citation numbers "4.1", 

"4.2". and "4.3" and read "1.". "2.". and 

"3.", respectively. . 

Appendix B, Performance Specificdtion 

5[Amended] ~ ' J y 

31. Appendix B, Performance '."'•', 

Specification 5 is amended as follows: 

, a. Section 4, by revising the 

bibliography citation numbers "4.1", 

"4.2", and "4.3" and read "1.". "2.", and 

"3.", respectively. ...', . . y 

[FR Doc. 90-24498 Filed ll-l£-80; 8:45 am] . 

BILUMG CODE 6560-50-13 

40 CFR Part H 80 

[PP 0F3871/R1094; FF.L-3803-3] 

Indole Butyric Acid (DBA); Exemption 

From the Requirement o. Tolerance 

AGENCY: Environmental Protection 

"Agency (EPA). -

ACTION: Final rule. 

SUMMARY: This rule establishes an 

exemption from the requirement of a 

tolerance for residues of the biochemical 

plant growth regulator indole butyric 

acid (IBA) in or on certain raw 

agricultural commodities (RACs) when 

applied to growing crops at a rate of less 

than 20 grams of active ingredient per 

acre (20 g ai/A) per application. This 

regulation was requested by Plant 

Growth Formulators, Inc. 

EFFECTIVE DATE: Effective on December 

14.1990. 

ADDRESSES: Written objections may be 

submitted to the: Hearing Clerk (A-110), 

Environmental Protection Agency, Rm. 

3708, 401 M St., SW., Washington, DC 

. 20460. 

FOR FURTHER INFORMATION CONTACT: 

Robert J. Taylor, Product Manager (PM25), Registration Division (H7505C), 

Office of Pesticide Programs, 

Environmental Protection Agency, Rm. 

245, CM #2,1921 Jefferson Davis 

Highway, Arlington, VA 22202, (703)-

557-1800. 

SUPPLEMENTARY INFORMATION: EPA 

issued a notice published in the Federal 

Register of July 18,1990 (55 FR 29268), 

which announced that Micro Flo Co., 

P.O. Box 5948, Lakeland, FL 33807-05948, 

had submitted pesticide petition (PP) 

0F3871 proposing to amend 40 CFR part 

180 by establishing an exemption from 

the requirement of a tolerance for 

residues of the plant growth regulator 

IBA when used on the RACs alfalfa, 

apples, barley, beans, beets (sugar), 

broccoli, brussels sprouts, cabbage, -

carrots, cauliflower, celery, cherries, . 

corn (field, sweet, popcorn), cotton, ...;.' 

.cucumber, eggplant,garlic,grapefruit, 

grapes„lemons, lettuce, melons, mustard 

greens, oats, okra, onions, oranges, ........ 

peaches, peanuts, pears, pecans,:;..•; ,;..• 

peppers, potatoes, potatoes:(sweet),.. 4\ 

radishes, rice, rye,sorghum (milo),,.],.'•_•.'.. 

soybeans, spinach, squash, strawberries, 

sugarcane, tomatoes, turnips, and wheat 

when applied to growing crops.'* -.--.-': 

There were'no comments received in' 

response to the notice of filing. -"A.. :.. 

The filing notice erred in stating that 

Micro Flo Co. filed PP 0E3871. The filing 

notice should have read as foUows. Ay.. 

Micro Flo Co., acting as an agent, filed 

PP 0F3871 on behalf of Plant Growth 

Formulators, Inc., P.O. Box 2307, 

Gainsville, GA 30503, proposing to 

amend 40 CFR **'••. The petitioner 

(Plant Growth Formulators, Inc.) 

subsequently amended the petition by 

submitting a revised Section F proposing 

that an exemption from the requirement 

of tolerance be established for the -. 

biochemical IBA when used as a plant 

growth regulator at application rates of . 

less than 20 g ai/A in or on the following 

RACs: barley, beans, beets (sugar), 

broccoli, brussels sprouts, cabbage, 

cauliflower, corn (field, sweet, and , 

popcorn), cotton, cucumber, grapefruit, 

lemons, lettuce, melons, mustard greens, 

oats. Onions, oranges, peanuts, peppers, 

potatoes,- rice, rye, sorghum (milo), . 

soybeans, spinach, squash, strawberries, 

sugarcane, tomatoes, turnips, and .• 

wheat. Because the correction clarifies > 

who filed the petition and the revision 

deletes crops previously proposed, there 

is no further potential increased risk to 

humans; therefore, rio further period of • 

public comment is needed. 

The data submitted in the petition and 

other relevant material have been 

evaluated. The toxicology data 

considered included an acute oral'-1 

toxicity study (rats) with no deaths at 

5,050 milligrams per kilogram (mg/kg); 

an acute dermal toxicity study (rabbit) 

with no deaths at 2,020 mg/kg; an acute 

inhalation toxicity study (rat) with no 

deaths at 3.82 milligrams per liter (mg/ : 

L); an acute eye irritation study (rat) 

showing "minimal effects clearing in '• 

less than 24 hours"; a dermal irritation 

study (rabbits) with a score Of "mildly or 

slightly irritating''; and a dermal 

sensitization study (guinea pig) scored

 ; 

as "not a dermal sensitizer." All other 

toxicology data requirements, including' 

a 90-day dermal study (rabbits), a 

teratology study in one species, and the