Review Article

Emission Inventory for PFOS in China: Review of Past Methodologies and Suggestions

Table 4

Prioritized industrial data requirements for preliminary and advanced emissions inventory.

   IndustryData needed
PreliminaryAdvanced

PriorityPOSF productionProduction amountsFactory locations
China facility waste to air and water values
TextilesAmount of treatment formulation imported to ChinaIndusty spatial distribution
Meters of treated fabricSpecific treatment names and amounts
Dilution factorHistorical situation of treated fabrics export, domestic consumption
Process % release to wastewater
Process % release to air
Metal platingTons of PFOS-based mist suppressant consumedIndustry spatial distribution
Process % release to wastewaterNational industry’s total square meters of plating
Process % release to airEstimate amount mist suppressant used be square meter plating
Number of platersPercentage of market using PFOS-based mist suppressant
Semi ConductorsProduction amounts, industry capacityIndustry spatial distribution
Estimate of tons of PFOS consumptionSpecific chemical names and PFOS-type substance
Process % release to wastewater
Process % release to air
AFFFNational PFOS consumption amountAFFF consumption amounts per province
National usage/storage informationClean-up scenarios
Expiration scenarioMain institutions: petroleum, airports, military, and so forth.
Paper treatmentRegistration status/current processesSquare meters of treated paper
Total amount PFOS used
Process release to wastewater
Process release to air
Later investigationPesticideEmission scenario study
Cleaning productsRegistration status
PhotographyRegistration status/current processes
AviationRegistration status/current processes