<xsd:simpleType name="EnvironmentalProductTypeEnum">
    <xsd:annotation>
        <xsd:documentation xml:lang="en">Emissions Product (e.g. allowance or CER).</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:token">
        <xsd:enumeration value="EUAllowance">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For EU Emissions Allowance Transactions: An EU Emissions Allowance.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="EUCredit">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For EU Emissions Allowance Transactions: An EU Emissions Credit.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="AlternativeAllowance">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For EU Emissions Allowance Transactions: An EU Alternative Allowance.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="NOXEmissionsProduct">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For US Emissions Allowance Transactions: A limited authorization issued by the state permitting authority or the US Environmental Protection Agency (EPA) to emit certain amounts of nitrogen oxides (Nox).</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="RegionalEmissionsProduct">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For US Emissions Allowance Transactions: A emissions allowance or emissions reduction credit issued under a mult-state or provincial or other cap-and-trade Scheme.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="RGGIEmissionsProduct">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For US Emissions Allowance Transactions: A limited authorization issued by the RGGI scheme permitting the emission of certain amounts of carbon dioxide.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="SO2EmissionsProduct">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For US Emissions Allowance Transactions: A limited authorization issued by the U.S. Environmental Protection Agency (EPA) to emit a certain amount of sulfur dioxide.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="StateEmissionProduct">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For US Emissions Allowance Transactions: Any emissions allowance or emission reduction credit created and promulgated under a U.S. state Scheme.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="VoluntaryEmissionProduct">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">For US Emissions Allowance Transactions: Any emissions allowance, emission credit, emissions offset or emissions reduction credit created or issued under a voluntary Scheme.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <!--values will go here - e.g. allowance or CER (Certified Emission Reduction credit)-->
    </xsd:restriction>
</xsd:simpleType>

• EnvironmentalProductTypeEnum
• nsA:productType