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<url><loc>https://stock.noler.com/us/stock/hdsn/increase-decrease-in-operating-lease-liability</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/increase-decrease-in-other-current-liabilities</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/increase-decrease-in-other-operating-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/increase-decrease-in-prepaid-deferred-expense-and-other-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/incremental-common-shares-attributable-to-share-based-payment-arrangements</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/insider-transactions</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/intangible-assets-net-excluding-goodwill</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/interest-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/interest-expense-nonoperating</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/interest-income-expense-nonoperating-net</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/interest-paid</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/interest-paid-net</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/inventory</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/inventory-adjustments</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/inventory-gross</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/inventory-valuation-reserves</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/inventory-write-down</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/investing-cash-flow</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/investment-income-interest</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/investments-in-and-advances-to-affiliates-at-fair-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/investments-in-and-advances-to-affiliates-at-fair-value-change</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/iran-activity-notices-irannotice</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/late-filing-notices-nt-10-k</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/lease-and-rental-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/lessee-operating-lease-liability-payments-remainder-of-fiscal-year</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/lessee-operating-lease-liability-undiscounted-excess-amount</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/letters-of-credit-outstanding-amount</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/level-3-liability-gain-loss-included-in-earnings</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/level-3-liability-settlements</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/line-of-credit</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/line-of-credit-facility-amount-outstanding</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/line-of-credit-facility-current-borrowing-capacity</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/line-of-credit-facility-interest-rate-at-period-end</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/line-of-credit-facility-maximum-borrowing-capacity</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/line-of-credit-facility-periodic-payment-principal</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/line-of-credit-facility-remaining-borrowing-capacity</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/lines-of-credit-current</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-debt-and-capital-lease-obligations</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-debt-and-capital-lease-obligations-maturities-repayments-of-principal-after-year-five</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-debt-and-capital-lease-obligations-maturities-repayments-of-principal-in-year-five</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-debt-and-capital-lease-obligations-maturities-repayments-of-principal-in-year-four</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-debt-and-capital-lease-obligations-maturities-repayments-of-principal-in-year-three</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-debt-and-capital-lease-obligations-maturities-repayments-of-principal-in-year-two</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-debt-and-capital-lease-obligations-repayments-of-principal-in-next-twelve-months</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/long-term-line-of-credit</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/management-fees-revenue</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/market-cap</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/material-contracts</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/net-cash-from-financing-activities</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/net-cash-from-investing-activities</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/net-cash-from-operating-activities</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/net-change-in-cash</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/net-income</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/net-income-loss-available-to-common-stockholders-basic</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/net-income-loss-available-to-common-stockholders-diluted</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/net-margin</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/news</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/non-peo-neo-avg-comp-actually-paid-amt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/non-peo-neo-avg-total-comp-amt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/noncash-or-part-noncash-acquisition-fixed-assets-acquired</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/noncash-or-part-noncash-acquisition-investments-acquired</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/noncash-or-part-noncash-divestiture-amount-of-consideration-received</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/nonoperating-gains-losses</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/nonoperating-income-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/notes-and-loans-payable</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/number-of-operating-segments</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/number-of-reportable-segments</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/number-of-reporting-units</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/officers-compensation</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-cash-flow</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-expenses</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-income</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-cost</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-liability</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-liability-current</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-liability-noncurrent</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-2</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-after-year-five</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-current</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-in-five-years</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-in-four-years</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-in-three-years</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-in-two-years</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-next-twelve-months</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-thereafter</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-year-five</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-year-four</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-year-three</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-payments-due-year-two</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-right-of-use-asset-amortization-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-lease-weighted-average-discount-rate-percent</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-leases-future-minimum-payments-receivable</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-leases-future-minimum-payments-receivable-current</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-leases-future-minimum-payments-receivable-in-five-years</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-leases-future-minimum-payments-receivable-in-four-years</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-leases-future-minimum-payments-receivable-in-three-years</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-leases-future-minimum-payments-receivable-in-two-years</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-leases-future-minimum-payments-receivable-thereafter</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-loss-carryforwards</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-loss-carryforwards-valuation-allowance</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/operating-margin</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/options-activity</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-current-liabilities</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-income</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-noncash-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-noncash-income-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-noncurrent-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-noncurrent-liabilities</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-nonoperating-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-nonoperating-gains-losses</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-nonoperating-income</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/other-nonoperating-income-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/outstanding-bonds</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/paid-in-capital-stock-compensation</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/paid-in-capital-tax-effect-from-share-based-compensation</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/patents-active</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payables-to-customers</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payments-for-proceeds-from-previous-acquisition</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payments-for-software</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payments-of-debt-extinguishment-costs</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payments-of-financing-costs</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payments-of-merger-related-costs-financing-activities</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payments-to-acquire-businesses-gross</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payments-to-acquire-intangible-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/payments-to-acquire-interest-in-joint-venture</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/pb-ratio</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/pe-ratio</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/peer-group-total-shareholder-rtn-amt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/pre-tax-margin</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/preferred-shares-facts</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/preferred-stock-shares-authorized</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/preferred-stock-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/prepaid-expense-and-other-assets-current</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/pretax-income</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/pretax-income-minority-interest-and-income-loss-from-equity-method-investments</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/previous-etf-holding-it</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/price-fcf-ratio</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/proceeds-from-income-tax-refunds</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/proceeds-from-issuance-of-unsecured-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/proceeds-from-issuance-or-sale-of-equity</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/proceeds-from-life-insurance-policies</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/proceeds-from-lines-of-credit</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/proceeds-from-repayments-of-short-term-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/proceeds-from-stock-issued</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/professional-fees</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/profit-breakdown</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/profit-loss</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/property-plant-and-equipment-gross</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/property-plant-equipment</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/provision-for-doubtful-accounts</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/ps-ratio</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/public-float</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/quick-ratio</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/repayments-of-short-term-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/restructuring-reserve-noncurrent</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/retained-earnings</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/return-on-tangible-equity</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/revenue</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/revenue-breakdown</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/revenue-from-contract-with-customer-including-assessed-tax</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/right-of-use-asset-obtained-in-exchange-for-operating-lease-liability</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/roa</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/roe</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/roi</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sales-revenue-goods-net</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sales-revenue-services-net</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/scorecard</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sec-comment-letters-upload</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sec-enforcement-actions</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sec-filings-10-q</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sec-filings-25-nse</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sec-filings-8-k</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sec-filings-px14a6g</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sec-filings-s-4</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/secondary-offerings</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/selling-and-marketing-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/sga-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/share-price</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/shareholders-equity</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/shares-authorized</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/shares-issued</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/shares-issued-shares-issued-for-services</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/shares-issued-shares-new-issues</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/shares-outstanding</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/short-sale-volume</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/short-term-borrowings</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/short-term-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/state-and-local-income-tax-expense-benefit</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-fair-value-assumptions-expected-dividend-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-fair-value-assumptions-expected-volatility-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-fair-value-assumptions-expected-volatility-rate-maximum</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-fair-value-assumptions-expected-volatility-rate-minimum</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-fair-value-assumptions-risk-free-interest-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-fair-value-assumptions-risk-free-interest-rate-maximum</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-fair-value-assumptions-risk-free-interest-rate-minimum</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-number-of-shares-authorized</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-options-exercises-in-period-average-exercise-price</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-award-options-forfeitures-in-period-average-exercise-price</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-based-compensation</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-compensation-unrecognized-cost</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-compensation-unrecognized-cost-stock-options</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-issued-new-shares-sold</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-issued-shares-issued-for-options-exercised</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-issued-shares-issued-value-issued-for-services</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-issued-shares-issued-value-other</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-issued-shares-issued-value-purchase-of-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-issued-shares-issued-value-stock-options-exercised</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-option-plan-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-exercisable-intrinsic-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-exercises-in-period-total-intrinsic-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-forfeitures-in-period</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-grants-in-period</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-grants-in-period-grant-date-fair-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-grants-in-period-gross</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-nonvested-grant-date-fair-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-nonvested-number-of-shares</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-outstanding-average-exercise-price</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-outstanding-intrinsic-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-outstanding-number</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-vested-and-expected-to-vest-outstanding-average-exercise-price</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-vested-and-expected-to-vest-outstanding-number</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-options-vested-number-of-shares</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stock-splits</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/stockholders-equity-including-portion-attributable-to-noncontrolling-interest</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/subsidiaries</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-cuts-and-jobs-act-change-in-tax-rate-income-tax-expense-benefit</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-at-federal-statutory-income-tax-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-change-in-deferred-tax-assets-valuation-allowance</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-change-in-enacted-tax-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-nondeductible-expense-other</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-nondeductible-expense-share-based-compensation-cost</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-prior-year-income-taxes</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-share-based-compensation-excess-tax-benefit-amount</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-share-based-compensation-excess-tax-benefit-percent</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-rate-reconciliation-state-and-local-income-taxes</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-reconciliation-change-in-enacted-tax-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-reconciliation-nondeductible-expense-other</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-reconciliation-nondeductible-expense-share-based-compensation-cost</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-reconciliation-state-and-local-income-taxes</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/tax-withholding-on-stock-awards</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/taxes-payable-current-and-noncurrent</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/total-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/total-liabilities</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/total-liabilities-and-equity</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/total-long-term-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/total-shareholder-rtn-amt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/treasury-stock-acquired-average-cost-per-share</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/unrecognized-tax-benefits</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/unsecured-debt-current</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/unsecured-long-term-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/valuation-allowance-deferred-tax-asset-change-in-amount</loc></url>
<url><loc>https://stock.noler.com/us/stock/hdsn/weighted-average-number-of-share-outstanding-basic-and-diluted</loc></url>
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