-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 EyYbgBb79HFCcvgaHCqXhhmOYErwtGuVym5T50tALX1l/lEHkR3k4sH4fcTDDqzG
 srD53PjOg8U1bqAYs9AlkA==

<SEC-DOCUMENT>0001181431-03-008297.txt : 20030520
<SEC-HEADER>0001181431-03-008297.hdr.sgml : 20030520
<ACCEPTANCE-DATETIME>20030520154858
ACCESSION NUMBER:		0001181431-03-008297
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030520
FILED AS OF DATE:		20030520

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCKENDRICK RYAN F
		CENTRAL INDEX KEY:			0001189744

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14447
		FILM NUMBER:		03712519

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		847 394 8730

	MAIL ADDRESS:	
		STREET 1:		ONE NORTH ARLINGTON
		STREET 2:		1500 WEST SHURE DR SUITE 500
		CITY:			ARLINGTON HEIGHTS
		STATE:			IL
		ZIP:			60004-7803

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMCOL INTERNATIONAL CORP
		CENTRAL INDEX KEY:			0000813621
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				360724340
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1500 W SHURE DR
		CITY:			ARLINGTON HEIGHTS
		STATE:			IL
		ZIP:			60004-7803
		BUSINESS PHONE:		8473948730

	MAIL ADDRESS:	
		STREET 1:		1500 W SHURE DR
		CITY:			ARLINGTON HEIGHTS
		STATE:			IL
		ZIP:			60004-7803

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN COLLOID CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd9401.xml
<DESCRIPTION>FORM 4 - RYAN MCKENDRICK - 5/16/03
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-05-20</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000813621</issuerCik>
        <issuerName>AMCOL INTERNATIONAL CORP</issuerName>
        <issuerTradingSymbol>ACO</issuerTradingSymbol></issuer>
<reportingOwner>
<reportingOwnerId>
            <rptOwnerCik>0001189744</rptOwnerCik>
            <rptOwnerName>MCKENDRICK RYAN F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>Vice President</officerTitle>
<otherText></otherText></reportingOwnerRelationship></reportingOwner>
<nonDerivativeSecurity>
<securityTitle>
<value>Common Stock</value></securityTitle>
<transactionDate>
<value>2003-05-16</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>M</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved></transactionCoding>
<transactionTimeliness>
<value></value></transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>30000</value></transactionShares>
<transactionValue>
<value>2.0619</value></transactionValue>
<transactionAcquiredDisposedCode>
<value>A</value></transactionAcquiredDisposedCode></transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>32298</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity>
<nonDerivativeSecurity>
<securityTitle>
<value>Common Stock</value></securityTitle>
<transactionDate>
<value>1988-08-08</value>
<footnoteId id="F1"/></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>Z</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionTimeliness>
<value></value></transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>0</value>
<footnoteId id="F1"/></transactionShares>
<transactionValue>
<value>0.00</value></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>14887.4135</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value></directOrIndirectOwnership>
<natureOfOwnership>
<value>Savings Plan</value></natureOfOwnership></ownershipNature></nonDerivativeSecurity>
<derivativeSecurity>
<securityTitle>
<value>Option (Right to Buy)</value></securityTitle>
<conversionOrExercisePrice>
<value>2.2869</value></conversionOrExercisePrice>
<transactionDate>
<value>1998-02-10</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>Z</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionAmounts>
<transactionShares>
<value>0</value>
<footnoteId id="F1"/></transactionShares>
<transactionValue>
<value>0.00</value>
<footnoteId id="F1"/></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<exerciseDate>
<value>2000-02-10</value></exerciseDate>
<expirationDate>
<value>2008-02-10</value></expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value></underlyingSecurityTitle>
<underlyingSecurityShares>
<value>68870</value></underlyingSecurityShares></underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>68870</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></derivativeSecurity>
<derivativeSecurity>
<securityTitle>
<value>Option (Right to Buy)</value></securityTitle>
<conversionOrExercisePrice>
<value>1.5682</value></conversionOrExercisePrice>
<transactionDate>
<value>1999-02-03</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>Z</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionAmounts>
<transactionShares>
<value>0</value>
<footnoteId id="F1"/></transactionShares>
<transactionValue>
<value>0.00</value>
<footnoteId id="F1"/></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<exerciseDate>
<value>2001-02-03</value></exerciseDate>
<expirationDate>
<value>2009-02-03</value></expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value></underlyingSecurityTitle>
<underlyingSecurityShares>
<value>53948</value></underlyingSecurityShares></underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>53948</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></derivativeSecurity>
<derivativeSecurity>
<securityTitle>
<value>Option (Right to Buy)</value></securityTitle>
<conversionOrExercisePrice>
<value>6.65</value></conversionOrExercisePrice>
<transactionDate>
<value>2002-02-04</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>Z</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionAmounts>
<transactionShares>
<value>0</value>
<footnoteId id="F1"/></transactionShares>
<transactionValue>
<value>0.00</value>
<footnoteId id="F1"/></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<exerciseDate>
<value>2004-02-04</value></exerciseDate>
<expirationDate>
<value>2012-02-04</value></expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value></underlyingSecurityTitle>
<underlyingSecurityShares>
<value>17000</value></underlyingSecurityShares></underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>17000</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></derivativeSecurity>
<derivativeSecurity>
<securityTitle>
<value>Option (Right to Buy)</value></securityTitle>
<conversionOrExercisePrice>
<value>2.0619</value></conversionOrExercisePrice>
<transactionDate>
<value>1997-02-13</value></transactionDate>
<deemedExecutionDate>
<value>2003-05-16</value></deemedExecutionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>M</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved></transactionCoding>
<transactionAmounts>
<transactionShares>
<value>30000</value></transactionShares>
<transactionValue>
<value>0.00</value>
<footnoteId id="F1"/></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<exerciseDate>
<value>1999-02-13</value></exerciseDate>
<expirationDate>
<value>2007-02-13</value></expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value></underlyingSecurityTitle>
<underlyingSecurityShares>
<value>6587</value></underlyingSecurityShares></underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>6587</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></derivativeSecurity>
<derivativeSecurity>
<securityTitle>
<value>Option (Right to Buy)</value></securityTitle>
<conversionOrExercisePrice>
<value>3.875</value></conversionOrExercisePrice>
<transactionDate>
<value>2000-07-17</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>Z</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionAmounts>
<transactionShares>
<value>0</value>
<footnoteId id="F1"/></transactionShares>
<transactionValue>
<value>0.00</value>
<footnoteId id="F1"/></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<exerciseDate>
<value>2002-07-17</value></exerciseDate>
<expirationDate>
<value>2010-07-17</value></expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value></underlyingSecurityTitle>
<underlyingSecurityShares>
<value>12000</value></underlyingSecurityShares></underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>12000</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></derivativeSecurity>
<derivativeSecurity>
<securityTitle>
<value>Option (Right to Buy)</value></securityTitle>
<conversionOrExercisePrice>
<value>5.00</value></conversionOrExercisePrice>
<transactionDate>
<value>2001-05-17</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>Z</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionAmounts>
<transactionShares>
<value>0</value>
<footnoteId id="F1"/></transactionShares>
<transactionValue>
<value>0.00</value>
<footnoteId id="F1"/></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<exerciseDate>
<value>2003-05-17</value></exerciseDate>
<expirationDate>
<value>2011-05-17</value></expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value></underlyingSecurityTitle>
<underlyingSecurityShares>
<value>14000</value></underlyingSecurityShares></underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>14000</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></derivativeSecurity>
<derivativeSecurity>
<securityTitle>
<value>Option (Right to Buy)</value></securityTitle>
<conversionOrExercisePrice>
<value>5.67</value></conversionOrExercisePrice>
<transactionDate>
<value>2003-02-03</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>Z</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionAmounts>
<transactionShares>
<value>0</value>
<footnoteId id="F1"/></transactionShares>
<transactionValue>
<value>0.00</value>
<footnoteId id="F1"/></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<exerciseDate>
<value>2004-02-03</value></exerciseDate>
<expirationDate>
<value>2009-02-03</value></expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value></underlyingSecurityTitle>
<underlyingSecurityShares>
<value>17000</value></underlyingSecurityShares></underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>17000</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></derivativeSecurity>
<footnotes>
<footnote id="F1">reporting owner&apos;s total</footnote></footnotes>
<ownerSignature>
<signatureName>Gary L. Castagna</signatureName>
<signatureDate>2003-05-20</signatureDate></ownerSignature></ownershipDocument>


</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----